Description
An issue was discovered in libxml2 before 2.11.7 and 2.12.x before 2.12.5. When using the XML Reader interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to an xmlValidatePopElement use-after-free.
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 | libxml2 | 2.12.7+dfsg+really2.9.14-1 | — |
| Debian 13 | libxml2 | 2.12.7+dfsg+really2.9.14-1 | — |
| Debian 12 | libxml2 | 2.9.14+dfsg-1.3~deb12u2 | DSA-5949-1 |
| Debian 11 | libxml2 | 2.9.10+dfsg-6.7+deb11u6 | DLA-4064-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libxml2 | 2.9.13+dfsg-1ubuntu0.4 | USN-6658-1 |
| Ubuntu 20.04 LTS | libxml2 | 2.9.10+dfsg-5ubuntu0.20.04.7 | USN-6658-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libxml2 | 2.9.4+dfsg1-6.1ubuntu1.9+esm1 | USN-6658-2 |
| Ubuntu Pro 16.04 LTS | libxml2 | 2.9.3+dfsg1-1ubuntu0.7+esm6 | USN-6658-2 |
| Ubuntu Pro 14.04 LTS | libxml2 | 2.9.1+dfsg1-3ubuntu4.13+esm6 | USN-6658-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | libxml2 +2 | 2.9.13-6.el9_4 | RHSA-2024:2679 |
| RHEL 8 | libxml2 +2 | 2.9.7-18.el8_10.1 | RHSA-2024:3626 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | libxml2 +2 | 2.9.13-3.el9_2.3 | RHSA-2024:3625 |
| RHEL 8.8 EUS | libxml2 +2 | 2.9.7-16.el8_8.4 | RHSA-2024:3303 |
| RHEL 8.6 EUS | libxml2 +2 | 2.9.7-13.el8_6.5 | RHSA-2024:3299 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | libxml2 +2 | 2.9.13-6.el9_4 | ALSA-2024:2679 |
| AlmaLinux 8 | libxml2 +2 | 2.9.7-18.el8_10.1 | ALSA-2024:3626 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | libxml2 | 2.9.13-6.el9_4 | RLSA-2024:2679 |
| Rocky Linux 8 | libxml2 | 2.9.7-18.el8_10.1 | RLSA-2024:3626 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | libxml2 +1 | 2.10.3-150500.5.14.1 | SUSE-SU-2024:0555-1 |
| SLES 15 SP4 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2 |
| SLES 15 SP3 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2 |
| SLES 15 SP2 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2 |
| SLES 12 SP5 | libxml2 +1 | 2.9.4-46.71.1 | SUSE-SU-2024:0556-1 |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 3 | libxml2-python | 2.10.3-150500.5.14.1 | SUSE-SU-2024:0555-1 |
| SLES for SAP 15 SP4 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2 |
| SLES for SAP 15 SP3 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2 |
| SLES for SAP 15 SP2 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2 |
| SLES for SAP 12 SP5 | libxml2 +1 | 2.9.4-46.71.1 | SUSE-SU-2024:0556-1 |
| SLE Micro 5.5 | libxml2 +1 | 2.10.3-150500.5.14.1 | SUSE-SU-2024:0555-1 |
| SLE Micro 5.4 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2, SUSE-SU-2024:0613-1 |
| SLE Micro 5.3 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2, SUSE-SU-2024:0613-1 |
| SLE Micro 5.2 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2, SUSE-SU-2024:0461-1 |
| SLE Micro 5.1 | libxml2 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2, SUSE-SU-2024:0461-1 |
| SLE HPC 15 SP4 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2 |
| SLE HPC 15 SP3 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2 |
| SLE HPC 15 SP2 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2 |
| SUSE Manager Server 4.3 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2 |
| SUSE Manager Proxy 4.3 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2 |
| SUSE Enterprise Storage 7.1 | libxml2 +1 | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libxml2 | 2.11.6-2.1 | openSUSE-SU-2024:13676-1 |
| openSUSE Leap 15.5 | libxml2 +1 | 2.10.3-150500.5.14.1 | SUSE-SU-2024:0555-1 |
| openSUSE Leap 15.5 | python-libxml2-python | 2.9.7-150000.3.66.1 | SUSE-SU-2024:0461-2, SUSE-SU-2024:0461-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2, SUSE-SU-2024:0613-1 |
| openSUSE Leap Micro 5.3 | libxml2 +1 | 2.9.14-150400.5.28.1 | SUSE-SU-2024:0613-2, SUSE-SU-2024:0613-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libxml2 | 2.12.5-r0 | — |
| Alpine v3.24 | qt6-qtwebengine | 6.6.3-r1 | — |
| Alpine v3.23 | libxml2 | 2.12.5-r0 | — |
| Alpine v3.23 | qt6-qtwebengine | 6.6.3-r1 | — |
| Alpine v3.22 | libxml2 | 2.12.5-r0 | — |
| Alpine v3.22 | qt6-qtwebengine | 6.6.3-r1 | — |
| Alpine v3.21 | libxml2 | 2.12.5-r0 | — |
| Alpine v3.21 | qt6-qtwebengine | 6.6.3-r1 | — |
| Alpine v3.20 | libxml2 | 2.12.5-r0 | — |
| Alpine v3.20 | qt6-qtwebengine | 6.6.3-r1 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libxml2 | 2.11.7-r0 | — |
| Alpine v3.19 | qt6-qtwebengine | 6.6.1-r9 | — |
| Alpine v3.18 | libxml2 | 2.11.7-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libxml2 | 2.11.5-4 | — |
| Azure Linux 2 (CBL-Mariner) | libxml2 | 2.10.4-4 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | libxml2 +2 | 2.9.13-6.el9_4 | ELSA-2024-2679 |
| Oracle Linux 8 | libxml2 +2 | 2.9.7-18.el8_10.1 | ELSA-2024-3626 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | openjdk-7-jre | No fix yet | — |
Advisories 45
- ALSA-2024:2679 Moderate: libxml2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:3626 Moderate: libxml2 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:3626 Red Hat Security Advisory: libxml2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:3625 Red Hat Security Advisory: libxml2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:3299 Red Hat Security Advisory: libxml2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:3303 Red Hat Security Advisory: libxml2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2024:2679 Red Hat Security Advisory: libxml2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- SSA-794697 SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.1 Siemens ProductCERT · Oct 13, 2026
- WID-SEC-2024-3195 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- USN-6658-2 libxml2 vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- WID-SEC-2024-1637 Oracle Fusion Middleware: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 1, 2026
- WID-SEC-2024-1226 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 11, 2026
- USN-6658-1 libxml2 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5949-1 libxml2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4064-1 libxml2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2024:2679 Moderate: libxml2 security update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2024:3626 Moderate: libxml2 security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2024:0613-1 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0613-2 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0556-1 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0555-1 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0461-2 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3189 Oracle Java SE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 25, 2026
- WID-SEC-2024-3377 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 12, 2025
- WID-SEC-2024-0869 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 10, 2025
- WID-SEC-2024-0280 libxml2: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jul 17, 2025
- VDE-2025-053 Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware CERT@VDE · Jul 8, 2025
- WID-SEC-2024-1656 Oracle MySQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 10, 2025
- openSUSE-SU-2024:13676-1 libxml2-2-2.11.6-2.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2024:0461-1 Security update for libxml2 SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-1307 Red Hat OpenShift Service Mesh Containers: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 5, 2025
- WID-SEC-2024-1642 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 20, 2024
- NCSC-2024-0419 Kwetsbaarheden verholpen in Oracle Java NCSC-NL (Netherlands) · Oct 17, 2024
- NCSC-2024-0414 Kwetsbaarheden verholpen in Oracle Communications NCSC-NL (Netherlands) · Oct 17, 2024
- NCSC-2024-0332 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Aug 13, 2024
- ICSA-24-228-06 Siemens SINEC NMS CISA ICS & IT advisories · Aug 13, 2024
- SSA-784301 SSA-784301: Multiple Vulnerabilities in SINEC NMS Before V3.0 Siemens ProductCERT · Aug 13, 2024
- NCSC-2024-0303 Kwetsbaarheden verholpen in Oracle MySQL NCSC-NL (Netherlands) · Jul 17, 2024
- NCSC-2024-0298 Kwetsbaarheden verholpen in Oracle Fusion Middleware NCSC-NL (Netherlands) · Jul 17, 2024
- NCSC-2024-0297 Kwetsbaarheden verholpen in Oracle Financial Services Applications NCSC-NL (Netherlands) · Jul 17, 2024
- NCSC-2024-0294 Kwetsbaarheden verholpen in Oracle Communications NCSC-NL (Netherlands) · Jul 17, 2024
- WID-SEC-2024-1638 Oracle Financial Services Applications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 16, 2024
- ELSA-2024-3626 Moderate: libxml2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 5, 2024
- ELSA-2024-2679 Moderate: libxml2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 7, 2024
- ICSA-23-166-11 Siemens SIMATIC S7-1500 TM MFP Linux Kernel CISA ICS & IT advisories · Apr 9, 2024