Description
The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Python Software Foundation | CPython | < 3.9.24, 3.10.0 – < 3.10.19, 3.11.0 – < 3.11.14, 3.12.0 – < 3.12.12, 3.13.0 – < 3.13.6, 3.14.0a1 – < 3.14.0b3 | 3.9.24 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | jython | No fix yet | — |
| Debian 14 | pypy3 | 7.3.21+dfsg-1 | — |
| Debian 13 | pypy3 +1 | No fix yet | — |
| Debian 13 | python3.13 | 3.13.5-2+deb13u1 | — |
| Debian 12 | pypy3 +1 | No fix yet | — |
| Debian 12 | python3.11 | 3.11.2-6+deb12u7 | — |
| Debian 11 | pypy3 | 7.3.5+dfsg-2+deb11u5 | DLA-4354-1 |
| Debian 11 | python3.9 | 3.9.2-1+deb11u4 | DLA-4445-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | jython | No fix yet | — |
| Ubuntu 26.04 LTS | jython | No fix yet | — |
| Ubuntu 25.10 | jython | No fix yet | — |
| Ubuntu 25.10 | python3.13 | 3.13.6-1 | — |
| Ubuntu 24.04 LTS | jython | No fix yet | — |
| Ubuntu 24.04 LTS | python3.12 | 3.12.3-1ubuntu0.8 | USN-7710-1 |
| Ubuntu 22.04 LTS | jython | No fix yet | — |
| Ubuntu 22.04 LTS | python3.10 | 3.10.12-1~22.04.11 | USN-7710-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | jython | No fix yet | — |
| Ubuntu 18.04 LTS | jython | No fix yet | — |
| Ubuntu 16.04 LTS | jython | No fix yet | — |
| Ubuntu Pro 22.04 LTS | python2.7 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | python3.11 | 3.11.0~rc1-1~22.04.1~esm5 | USN-7710-1 |
| Ubuntu Pro 20.04 LTS | python2.7 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | python3.8 | 3.8.10-0ubuntu1~20.04.18+esm2 | USN-7710-1 |
| Ubuntu Pro 20.04 LTS | python3.9 | 3.9.5-3ubuntu0~20.04.1+esm6 | USN-7710-1 |
| Ubuntu Pro 18.04 LTS | python2.7 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | python3.6 | 3.6.9-1~18.04ubuntu1.13+esm6 | USN-7710-1 |
| Ubuntu Pro 18.04 LTS | python3.7 | 3.7.5-2ubuntu1~18.04.2+esm7 | USN-7710-1 |
| Ubuntu Pro 18.04 LTS | python3.8 | 3.8.0-3ubuntu1~18.04.2+esm6 | USN-7710-1 |
| Ubuntu Pro 16.04 LTS | python2.7 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | python3.5 | 3.5.2-2ubuntu0~16.04.13+esm19 | USN-7710-1 |
| Ubuntu Pro 14.04 LTS | python2.7 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | python3.4 | 3.4.3-1ubuntu1~14.04.7+esm16 | USN-7710-1 |
| Ubuntu Pro 14.04 LTS | python3.5 | 3.5.2-2ubuntu0~16.04.4~14.04.1+esm7 | USN-7710-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | python3 +8 | 3.9.25-2.el9_7 | RHSA-2025:23342 |
| RHEL 8 | Cython +1 | 0.29.21-5.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | PyYAML +1 | 5.4.1-1.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | mod_wsgi +1 | 4.7.1-7.module+el8.10.0+23075+0aa18782.1 | RHSA-2025:23530 |
| RHEL 8 | numpy +3 | 1.19.4-3.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | pybind11 +2 | 2.7.1-1.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | pytest +1 | 6.0.2-2.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-PyMySQL +1 | 0.10.1-2.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-attrs +1 | 20.3.0-2.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-cffi +1 | 1.14.3-2.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-chardet +1 | 3.0.4-19.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-cryptography +1 | 3.3.1-3.module+el8.10.0+21271+eccd1d86 | RHSA-2025:23530 |
| RHEL 8 | python-idna +1 | 2.10-4.module+el8.10.0+21815+bb024982 | RHSA-2025:23530 |
| RHEL 8 | python-iniconfig +1 | 1.1.1-2.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-lxml +1 | 4.6.5-1.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-more-itertools +1 | 8.5.0-2.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-packaging +1 | 20.4-4.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-pluggy +1 | 0.13.1-3.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-ply +1 | 3.11-10.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-psutil +1 | 5.8.0-4.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-psycopg2 +3 | 2.8.6-3.module+el8.10.0+21142+453d2b75 | RHSA-2025:23530 |
| RHEL 8 | python-py +1 | 1.10.0-1.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-pycparser +1 | 2.20-3.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-pysocks +1 | 1.7.1-4.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-requests +1 | 2.25.0-3.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-toml +1 | 0.10.1-5.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-urllib3 +1 | 1.25.10-5.module+el8.10.0+20443+f0a692fe | RHSA-2025:23530 |
| RHEL 8 | python-wcwidth +1 | 0.2.5-3.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python-wheel +2 | 1:0.35.1-4.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python39 +7 | 3.9.25-2.module+el8.10.0+23718+1842ae33 | RHSA-2025:23530 |
| RHEL 8 | python39-pip +2 | 20.2.4-9.module+el8.10.0+21329+8d76b841 | RHSA-2025:23530 |
| RHEL 8 | python39-pyparsing +1 | 2.4.7-5.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | python39-setuptools +2 | 50.3.2-7.module+el8.10.0+23406+03055bfb | RHSA-2025:23530 |
| RHEL 8 | python39-six +1 | 1.15.0-3.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
| RHEL 8 | scipy +1 | 1.5.4-5.module+el8.9.0+19644+d68f775d | RHSA-2025:23530 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 E4S | python3 +5 | 3.9.18-3.el9_4.14 | RHSA-2026:74087 |
| RHEL 9.2 E4S | python3 +5 | 3.9.16-1.el9_2.15 | RHSA-2026:76945 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | python3 +7 | 3.9.25-2.el9_7 | ALSA-2025:23342 |
| AlmaLinux 8 | python39 +7 | 3.9.25-2.module_el8.10.0+4083+53cad1fb | ALSA-2025:23530 |
| AlmaLinux 8 | python39-Cython | 0.29.21-5.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-PyMySQL | 0.10.1-2.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-attrs | 20.3.0-2.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-cffi | 1.14.3-2.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-chardet | 3.0.4-19.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-cryptography | 3.3.1-3.module_el8.10.0+3765+2f9a457d | ALSA-2025:23530 |
| AlmaLinux 8 | python39-idna | 2.10-4.module_el8.10.0+3849+a48d89aa | ALSA-2025:23530 |
| AlmaLinux 8 | python39-iniconfig | 1.1.1-2.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-lxml | 4.6.5-1.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-mod_wsgi | 4.7.1-7.module_el8.10.0+3989+a618fe15.1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-more-itertools | 8.5.0-2.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-numpy +2 | 1.19.4-3.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-packaging | 20.4-4.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pip +1 | 20.2.4-9.module_el8.10.0+3765+2f9a457d | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pluggy | 0.13.1-3.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-ply | 3.11-10.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-psutil | 5.8.0-4.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-psycopg2 +2 | 2.8.6-3.module_el8.10.0+3765+2f9a457d | ALSA-2025:23530 |
| AlmaLinux 8 | python39-py | 1.10.0-1.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pybind11 +1 | 2.7.1-1.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pycparser | 2.20-3.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pyparsing | 2.4.7-5.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pysocks | 1.7.1-4.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pytest | 6.0.2-2.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-pyyaml | 5.4.1-1.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-requests | 2.25.0-3.module_el8.9.0+3634+fb2a896c | ALSA-2025:23530 |
| AlmaLinux 8 | python39-scipy | 1.5.4-5.module_el8.9.0+3634+fb2a896c | ALSA-2025:23530 |
| AlmaLinux 8 | python39-setuptools +1 | 50.3.2-7.module_el8.10.0+4040+9207bbc0 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-six | 1.15.0-3.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-toml | 0.10.1-5.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-urllib3 | 1.25.10-5.module_el8.10.0+3765+2f9a457d | ALSA-2025:23530 |
| AlmaLinux 8 | python39-wcwidth | 0.2.5-3.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
| AlmaLinux 8 | python39-wheel +1 | 1:0.35.1-4.module_el8.6.0+2780+a40f65e1 | ALSA-2025:23530 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | python3.9 | 3.9.25-2.el9_7 | RLSA-2025:23342 |
| Rocky Linux 8 | Cython | 0.29.21-5.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | PyYAML | 5.4.1-1.module+el8.9.0+1418+f0d66789 | RLSA-2025:23530 |
| Rocky Linux 8 | mod_wsgi | 4.7.1-7.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | numpy | 1.19.4-3.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | pybind11 | 2.7.1-1.module+el8.9.0+1357+a3b80af7 | RLSA-2025:23530 |
| Rocky Linux 8 | pytest | 6.0.2-2.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-PyMySQL | 0.10.1-2.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-attrs | 20.3.0-2.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-cffi | 1.14.3-2.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-chardet | 3.0.4-19.module+el8.9.0+1418+f0d66789 | RLSA-2025:23530 |
| Rocky Linux 8 | python-cryptography | 3.3.1-3.module+el8.10.0+1697+7e517775 | RLSA-2025:23530 |
| Rocky Linux 8 | python-idna | 2.10-4.module+el8.10.0+1809+41195054 | RLSA-2025:23530 |
| Rocky Linux 8 | python-iniconfig | 1.1.1-2.module+el8.9.0+1332+dd574197 | RLSA-2025:23530 |
| Rocky Linux 8 | python-lxml | 4.6.5-1.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-more-itertools | 8.5.0-2.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-packaging | 20.4-4.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-pluggy | 0.13.1-3.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-ply | 3.11-10.module+el8.9.0+1418+f0d66789 | RLSA-2025:23530 |
| Rocky Linux 8 | python-psutil | 5.8.0-4.module+el8.9.0+1357+a3b80af7 | RLSA-2025:23530 |
| Rocky Linux 8 | python-psycopg2 | 2.8.6-3.module+el8.10.0+1660+b5b6f004 | RLSA-2025:23530 |
| Rocky Linux 8 | python-py | 1.10.0-1.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-pycparser | 2.20-3.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-pysocks | 1.7.1-4.module+el8.9.0+1418+f0d66789 | RLSA-2025:23530 |
| Rocky Linux 8 | python-requests | 2.25.0-3.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-toml | 0.10.1-5.module+el8.9.0+1332+dd574197 | RLSA-2025:23530 |
| Rocky Linux 8 | python-urllib3 | 1.25.10-5.module+el8.10.0+1545+03246da9 | RLSA-2025:23530 |
| Rocky Linux 8 | python-wcwidth | 0.2.5-3.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python-wheel | 1:0.35.1-4.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python3x-pip | 20.2.4-9.module+el8.10.0+1721+e52d6351 | RLSA-2025:23530 |
| Rocky Linux 8 | python3x-pyparsing | 2.4.7-5.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | python3x-setuptools | 50.3.2-7.module+el8.10.0+2057+30213a2b | RLSA-2025:23530 |
| Rocky Linux 8 | python3x-six | 1.15.0-3.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
| Rocky Linux 8 | scipy | 1.5.4-5.module+el8.10.0+1582+bc278001 | RLSA-2025:23530 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | python +1 | 2.7.18-150000.80.1 | SUSE-SU-2025:02460-1 |
| SLES 15 SP7 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES 15 SP7 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLES 15 SP7 | python311-core | 3.11.13-150600.3.35.1 | SUSE-SU-2025:02717-1 |
| SLES 15 SP6 | python +1 | 2.7.18-150000.80.1 | SUSE-SU-2025:02460-1 |
| SLES 15 SP6 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES 15 SP6 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLES 15 SP6 | python311-core | 3.11.13-150600.3.35.1 | SUSE-SU-2025:02717-1 |
| SLES 15 SP5 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES 15 SP5 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLES 15 SP4 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES 15 SP4 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLES 15 SP4 | python311 +1 | 3.11.13-150400.9.63.1 | SUSE-SU-2025:02358-1 |
| SLES 15 SP3 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES 15 SP3 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
Show 21 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | python +2 | 2.7.18-33.50.1 | SUSE-SU-2025:02523-1 |
| SLES 12 SP5 | python3 +1 | 3.4.10-25.158.1 | SUSE-SU-2025:02802-1 |
| SLES 12 SP5 | python36 +1 | 3.6.15-84.1 | SUSE-SU-2025:02297-1 |
| SLES 3 | python311 | 3.11.13-150600.3.35.2 | SUSE-SU-2025:02717-1 |
| SLES 3 | python311-core | 3.11.13-150600.3.35.1 | SUSE-SU-2025:02717-1 |
| SLES 3 | python312 +1 | 3.12.11-150600.3.33.1 | SUSE-SU-2025:02359-1 |
| SLES 3 | python313 +1 | 3.13.5-150700.4.20.1 | SUSE-SU-2025:3706-1, SUSE-SU-2025:02767-1 |
| SLES for SAP 16.0 | python313 +2 | 3.13.11-160000.1.1 | SUSE-SU-2026:20125-1 |
| SLES for SAP 15 SP5 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES for SAP 15 SP5 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLES for SAP 15 SP4 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES for SAP 15 SP4 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLES for SAP 15 SP3 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLES for SAP 15 SP3 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLES 16.0 | python313 +2 | 3.13.11-160000.1.1 | SUSE-SU-2026:20125-1 |
| SLE Micro 6.2 | python313 +1 | 3.13.11-160000.1.1 | SUSE-SU-2026:20154-1 |
| SLE Micro 6.1 | python311 +1 | 3.11.13-slfo.1.1_1.1 | SUSE-SU-2025:20539-1 |
| SLE Micro 6.0 | python311 +1 | 3.11.13-1.1 | SUSE-SU-2025:20492-1 |
| SLE Micro 5.5 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.5 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.4 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.4 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.3 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.3 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.2 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.2 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLE Micro 5.1 | python3 +1 | 3.6.15-150000.3.182.1 | SUSE-SU-2025:02427-1 |
| SLE HPC 15 SP5 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLE HPC 15 SP5 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLE HPC 15 SP4 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLE HPC 15 SP4 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SLE HPC 15 SP3 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SLE HPC 15 SP3 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SUSE Manager Server 4.3 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SUSE Manager Server 4.3 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SUSE Manager Proxy 4.3 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SUSE Manager Proxy 4.3 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| SUSE Enterprise Storage 7.1 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| SUSE Enterprise Storage 7.1 | python3-core | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python310 | 3.10.18-3.1 | openSUSE-SU-2025:15285-1 |
| openSUSE Tumbleweed | python311 | 3.11.13-3.1 | openSUSE-SU-2025:15365-1 |
| openSUSE Tumbleweed | python312 | 3.12.11-3.1 | openSUSE-SU-2025:15366-1 |
| openSUSE Tumbleweed | python313 | 3.13.5-3.1 | openSUSE-SU-2025:15367-1 |
| openSUSE Tumbleweed | python314 | 3.14.0~b3-3.1 | openSUSE-SU-2025:15289-1 |
| openSUSE Tumbleweed | python315 | 3.15.0~a1-1.1 | openSUSE-SU-2025:15713-1 |
| openSUSE Tumbleweed | python39 | 3.9.23-3.1 | openSUSE-SU-2025:15290-1 |
| openSUSE Leap 16.0 | python313 +4 | 3.13.11-160000.1.1 | openSUSE-SU-2026:20081-1 |
| openSUSE Leap 15.6 | python +2 | 2.7.18-150000.80.1 | SUSE-SU-2025:02460-1 |
| openSUSE Leap 15.6 | python3 | 3.6.15-150300.10.97.2 | SUSE-SU-2025:02778-1 |
| openSUSE Leap 15.6 | python3-core +1 | 3.6.15-150300.10.97.1 | SUSE-SU-2025:02778-1 |
| openSUSE Leap 15.6 | python310 +2 | 3.10.18-150400.4.85.1 | SUSE-SU-2025:02597-1 |
| openSUSE Leap 15.6 | python311 | 3.11.13-150600.3.35.2 | SUSE-SU-2025:02717-1 |
| openSUSE Leap 15.6 | python311-core +1 | 3.11.13-150600.3.35.1 | SUSE-SU-2025:02717-1 |
| openSUSE Leap 15.6 | python312 +2 | 3.12.11-150600.3.33.1 | SUSE-SU-2025:02359-1 |
| openSUSE Leap 15.6 | python39 +2 | 3.9.23-150300.4.78.1 | SUSE-SU-2025:02232-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | python3 +7 | 3.9.23-1.amzn2023.0.2 | ALAS2023-2025-1090 |
| Amazon Linux 2023 | python3.11 +6 | 3.11.13-1.amzn2023.0.2 | ALAS2023-2025-1116 |
| Amazon Linux 2023 | python3.12 +6 | 3.12.11-2.amzn2023.0.1 | ALAS2023-2025-1056 |
| Amazon Linux 2 | python +6 | 2.7.18-1.amzn2.0.13 | ALAS2-2025-2911 |
| Amazon Linux 2 | python3 +6 | 3.7.16-1.amzn2.0.18 | ALAS2-2025-2923 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | python3 | 3.12.9-3 | — |
| Azure Linux 2 (CBL-Mariner) | python3 | 3.9.19-14 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | python3 +7 | 3.9.25-2.0.1.el9_7 | ELSA-2025-23342 |
| Oracle Linux 8 | python39 +7 | 3.9.25-2.module+el8.10.0+90733+27f37730 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-Cython | 0.29.21-5.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-PyMySQL | 0.10.1-2.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-attrs | 20.3.0-2.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-cffi | 1.14.3-2.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-chardet | 3.0.4-19.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-cryptography | 3.3.1-3.0.1.module+el8.10.0+90269+2fa22b99 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-idna | 2.10-4.module+el8.10.0+90341+71ca88f4 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-iniconfig | 1.1.1-2.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-lxml | 4.6.5-1.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-mod_wsgi | 4.7.1-7.module+el8.10.0+90647+49247197.1 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-more-itertools | 8.5.0-2.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-numpy +2 | 1.19.4-3.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-packaging | 20.4-4.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pip +1 | 20.2.4-9.module+el8.10.0+90269+2fa22b99 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pluggy | 0.13.1-3.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-ply | 3.11-10.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-psutil | 5.8.0-4.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-psycopg2 +2 | 2.8.6-3.module+el8.10.0+90269+2fa22b99 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-py | 1.10.0-1.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pybind11 +1 | 2.7.1-1.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pycparser | 2.20-3.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pyparsing | 2.4.7-5.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pysocks | 1.7.1-4.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pytest | 6.0.2-2.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-pyyaml | 5.4.1-1.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-requests | 2.25.0-3.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-scipy | 1.5.4-5.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-setuptools +1 | 50.3.2-7.module+el8.10.0+90647+49247197 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-six | 1.15.0-3.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-toml | 0.10.1-5.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-urllib3 | 1.25.10-5.module+el8.10.0+90269+2fa22b99 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-wcwidth | 0.2.5-3.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
| Oracle Linux 8 | python39-wheel +1 | 1:0.35.1-4.module+el8.9.0+90016+9c2d6573 | ELSA-2025-23530 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | python-3.10 | 3.10.18-r1 | — |
| Wolfi rolling | python-3.11 | 3.11.13-r1 | — |
| Wolfi rolling | python-3.12 | 3.12.11-r1 | — |
| Wolfi rolling | python-3.13 | 3.13.5-r1 | — |
Advisories 45
- ALSA-2025:23342 Moderate: python3.9 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2025:23530 Important: python39:3.9 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:23530 Red Hat Security Advisory: python39:3.9 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:76945 Red Hat Security Advisory: python3.9 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2026:74087 Red Hat Security Advisory: python3.9 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:23342 Red Hat Security Advisory: python3.9 security update Red Hat Security Advisories (RHSA) · Oct 7, 2026
- WID-SEC-2025-1470 Python (CPython): Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Oct 6, 2026
- WID-SEC-2026-1118 Dell PowerProtect Data Domain OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 5, 2026
- USN-7710-1 python3.13, python3.12, python3.11, python3.10, python3.9, python3.8, python3.7, python3.6, python3.5, python3.4 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2026:20081-1 Security update for python313 SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15713-1 python315-3.15.0~a1-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15365-1 python311-3.11.13-3.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15366-1 python312-3.12.11-3.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15367-1 python313-3.13.5-3.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15289-1 python314-3.14.0~b3-3.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15290-1 python39-3.9.23-3.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15285-1 python310-3.10.18-3.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20154-1 Security update for python313 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20125-1 Security update for python313 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:3706-1 Security update for python313 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02802-1 Security update for python3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02427-1 Security update for python3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02597-1 Security update for python310 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20492-1 Security update for python311 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20539-1 Security update for python311 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02767-1 Security update for python313 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02358-1 Security update for python311 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02359-1 Security update for python312 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:02778-1 Security update for python3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:02297-1 Security update for python36 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:02717-1 Security update for python311 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:02232-1 Security update for python39 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:02460-1 Security update for python SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:02523-1 Security update for python SUSE / openSUSE Security Updates · Feb 4, 2026
- DLA-4445-1 python3.9 - security update Debian Security (DSA / DLA) · Jan 20, 2026
- ELSA-2025-23530 Important: python39:3.9 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Dec 23, 2025
- RLSA-2025:23342 Moderate: python3.9 security update Rocky Linux Security Advisories · Dec 19, 2025
- RLSA-2025:23530 Important: python39:3.9 security update Rocky Linux Security Advisories · Dec 18, 2025
- ELSA-2025-23342 Moderate: python3.9 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Dec 18, 2025
- DLA-4354-1 pypy3 - security update Debian Security (DSA / DLA) · Oct 31, 2025
- ALAS2023-2025-1090 Moderate: python3.9 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 8, 2025
- ALAS2023-2025-1116 Moderate: python3.11 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 8, 2025
- ALAS2-2025-2911 Moderate: python security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 10, 2025
- ALAS2-2025-2923 Moderate: python3 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 10, 2025
- ALAS2023-2025-1056 Moderate: python3.12 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jul 10, 2025
References
- https://github.com/python/cpython/issues/135462 issue-tracking
- https://github.com/python/cpython/pull/135464 patch
- https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949 patch
- https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41 patch
- https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b patch
- https://mail.python.org/archives/list/security-announce@python.org/thread/K5PIYLR6EP3WR7ZOKKYQUWEDNQVUXOYM/ vendor-advisory
- https://github.com/python/cpython/commit/8d1b3dfa09135affbbf27fb8babcf3c11415df49 patch
- https://github.com/python/cpython/commit/ab0893fd5c579d9cea30841680e6d35fc478afb5 patch
- https://github.com/python/cpython/commit/f3c6f882cddc8dc30320d2e73edf019e201394fc patch
- https://github.com/python/cpython/commit/fdc9d214c01cb4588f540cfa03726bbf2a33fc15 patch