Description
REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many `<`s in an attribute value. Those who need to parse untrusted XMLs may be impacted to this vulnerability. The REXML gem 3.2.7 or later include the patch to fix this vulnerability. As a workaround, don't parse untrusted XMLs.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ruby | rexml | < 3.2.7 | — |
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 12 | ruby3.1 | No fix yet | — |
| Debian 11 | ruby2.7 | 2.7.4-1+deb11u3 | DLA-4018-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | jruby | No fix yet | — |
| Ubuntu 26.04 LTS | jruby | No fix yet | — |
| Ubuntu 25.10 | jruby | No fix yet | — |
| Ubuntu 24.04 LTS | jruby | No fix yet | — |
| Ubuntu 24.04 LTS | ruby3.2 | 3.2.3-1ubuntu0.24.04.5 | USN-7734-1, USN-7418-1, USN-7091-1 |
| Ubuntu 22.04 LTS | ruby3.0 | 3.0.2-7ubuntu2.10 | USN-7734-1, USN-7418-1, USN-7091-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | jruby | No fix yet | — |
| Ubuntu 20.04 LTS | ruby2.7 | 2.7.0-5ubuntu1.16 | USN-7418-1, USN-7091-2 |
| Ubuntu 18.04 LTS | jruby | No fix yet | — |
| Ubuntu 16.04 LTS | jruby | No fix yet | — |
| Ubuntu Pro 20.04 LTS | ruby2.7 | 2.7.0-5ubuntu1.18+esm1 | USN-7840-1, USN-7734-1 |
| Ubuntu Pro 18.04 LTS | ruby2.5 | 2.5.1-1ubuntu1.16+esm5 | USN-7840-1, USN-7734-1 |
| Ubuntu Pro 16.04 LTS | ruby2.3 | 2.3.1-2~ubuntu16.04.16+esm11 | USN-7840-1 |
| Ubuntu Pro 14.04 LTS | jruby | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | pcs +1 | 0.10.18-2.el8_10.1 | RHSA-2024:5338 |
| RHEL 8 | ruby +4 | 2.5.9-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-abrt +1 | 0.3.0-4.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-bigdecimal | 1.3.4-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-bson +1 | 4.3.0-2.module+el8.9.0+19193+435404ae | RHSA-2024:4499 |
| RHEL 8 | rubygem-bundler +1 | 1.16.1-4.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-did_you_mean | 1.2.0-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-io-console | 0.4.6-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-json | 2.1.0-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-minitest | 5.10.3-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-mongo +1 | 2.5.1-2.module+el8.9.0+19193+435404ae | RHSA-2024:4499 |
| RHEL 8 | rubygem-mysql2 +1 | 0.4.10-4.module+el8.9.0+19193+435404ae | RHSA-2024:4499 |
| RHEL 8 | rubygem-net-telnet | 0.1.1-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-openssl | 2.1.2-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-pg +1 | 1.0.0-3.module+el8.9.0+19193+435404ae | RHSA-2024:4499 |
| RHEL 8 | rubygem-power_assert | 1.1.1-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-psych | 3.0.2-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-rake | 12.3.3-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-rdoc | 6.0.1.1-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-test-unit | 3.2.7-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygem-xmlrpc | 0.3.0-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
| RHEL 8 | rubygems +1 | 2.7.6.3-112.module+el8.10.0+22021+135c76a8 | RHSA-2024:4499 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | pcs +1 | 0.10.18-2.el8_10.1 | ALSA-2024:5338 |
| AlmaLinux 8 | ruby +4 | 2.5.9-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-abrt +1 | 0.3.0-4.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-bigdecimal | 1.3.4-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-bson | 4.3.0-2.module_el8.5.0+259+8cec6917 | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-bson-doc | 4.3.0-2.module_el8.5.0+2625+ec418553 | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-bundler +1 | 1.16.1-4.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-did_you_mean | 1.2.0-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-io-console | 0.4.6-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-json | 2.1.0-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-minitest | 5.10.3-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-mongo +1 | 2.5.1-2.module_el8.5.0+2625+ec418553 | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-mysql2 | 0.4.10-4.module_el8.5.0+259+8cec6917 | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-mysql2-doc | 0.4.10-4.module_el8.5.0+2625+ec418553 | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-net-telnet | 0.1.1-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-openssl | 2.1.2-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-pg +1 | 1.0.0-3.module_el8.9.0+3635+c6f99506 | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-power_assert | 1.1.1-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-psych | 3.0.2-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-rake | 12.3.3-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-rdoc | 6.0.1.1-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-test-unit | 3.2.7-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygem-xmlrpc | 0.3.0-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
| AlmaLinux 8 | rubygems +1 | 2.7.6.3-112.module_el8.10.0+3871+342e2c2f | ALSA-2024:4499 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | pcs | 0.10.18-2.el8_10.1 | RLSA-2024:5338 |
| Rocky Linux 8 | ruby | 2.5.9-112.module+el8.10.0+1839+f1f156ae | RLSA-2024:4499 |
| Rocky Linux 8 | rubygem-abrt | 0.3.0-4.module+el8.5.0+738+032c9c02 | RLSA-2024:4499 |
| Rocky Linux 8 | rubygem-bson | 4.3.0-2.module+el8.9.0+1536+5f79634e | RLSA-2024:4499 |
| Rocky Linux 8 | rubygem-bundler | 1.16.1-4.module+el8.9.0+1536+5f79634e | RLSA-2024:4499 |
| Rocky Linux 8 | rubygem-mongo | 2.5.1-2.module+el8.9.0+1536+5f79634e | RLSA-2024:4499 |
| Rocky Linux 8 | rubygem-mysql2 | 0.4.10-4.module+el8.9.0+1536+5f79634e | RLSA-2024:4499 |
| Rocky Linux 8 | rubygem-pg | 1.0.0-3.module+el8.9.0+1536+5f79634e | RLSA-2024:4499 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLES 15 SP5 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLES 15 SP4 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLES 15 SP3 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLES 15 SP2 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLES for SAP 15 SP2 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLE HPC 15 SP4 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLE HPC 15 SP3 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SLE HPC 15 SP2 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SUSE Package Hub 15 SP6 | rubygem-rexml | 3.3.9-bp156.4.3.1 | openSUSE-SU-2025:0129-1 |
| SUSE Manager Server 4.3 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
| SUSE Enterprise Storage 7.1 | ruby2.5 | 2.5.9-150000.4.32.1 | SUSE-SU-2024:3874-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | rubygem-rexml | 3.3.9-bp156.4.3.1 | openSUSE-SU-2025:0129-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | ruby3.2 +5 | 3.2.7-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-bigdecimal | 3.1.3-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-bundler | 2.4.19-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-io-console | 0.6.0-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-irb | 1.6.2-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-json | 2.6.3-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-minitest | 5.25.1-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-power_assert | 2.0.3-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-psych | 5.0.1-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-rake | 13.0.6-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-rbs | 2.8.2-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-rdoc | 6.5.1.1-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-rexml | 3.3.9-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-rss | 0.3.1-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-test-unit | 3.5.7-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygem-typeprof | 0.21.3-183.amzn2023.0.1 | ALAS2023-2025-921 |
| Amazon Linux 2023 | ruby3.2-rubygems +1 | 3.4.19-183.amzn2023.0.1 | ALAS2023-2025-921 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | ruby | 3.3.3-1 | — |
| Azure Linux 3 | rubygem-rexml | 3.2.8-1 | — |
| Azure Linux 2 (CBL-Mariner) | ruby | 3.1.4-6 | — |
| Azure Linux 2 (CBL-Mariner) | rubygem-rexml | 3.2.7-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | pcs +1 | 0.10.18-2.0.1.el8_10.1 | ELSA-2024-5338 |
| Oracle Linux 8 | ruby +4 | 2.5.9-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-abrt +1 | 0.3.0-4.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-bigdecimal | 1.3.4-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-bson +1 | 4.3.0-2.module+el8.9.0+90042+a65659a6 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-bundler +1 | 1.16.1-4.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-did_you_mean | 1.2.0-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-io-console | 0.4.6-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-json | 2.1.0-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-minitest | 5.10.3-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-mongo +1 | 2.5.1-2.module+el8.9.0+90042+a65659a6 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-mysql2 +1 | 0.4.10-4.module+el8.9.0+90042+a65659a6 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-net-telnet | 0.1.1-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-openssl | 2.1.2-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-pg +1 | 1.0.0-3.module+el8.9.0+90042+a65659a6 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-power_assert | 1.1.1-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-psych | 3.0.2-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-rake | 12.3.3-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-rdoc | 6.0.1.1-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-test-unit | 3.2.7-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygem-xmlrpc | 0.3.0-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
| Oracle Linux 8 | rubygems +1 | 2.7.6.3-112.module+el8.10.0+90367+ae9e8511 | ELSA-2024-4499 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | jruby-9.4 +1 | 9.4.8.0-r0 | — |
| Wolfi rolling | kube-fluentd-operator +3 | 1.18.2-r11 | — |
| Wolfi rolling | ruby-3.1 +1 | 3.1.6-r2 | — |
| Wolfi rolling | ruby-3.2 +2 | 3.2.4-r4 | — |
| Wolfi rolling | ruby-3.3 +4 | 3.3.2-r0 | — |
| Wolfi rolling | ruby3.2-rexml | 3.2.8-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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SpiralBL0CK/CVE-2024-35176 ★ 5 · Dec 19, 2024
CVE-2024-35176 poc full
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | rexml | < 3.2.7 | 3.2.7 | GHSA-vg3r-rm7w-2xgh |
Advisories 19
- ALSA-2024:4499 Moderate: ruby security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:5338 Low: pcs security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2024-1850 Red Hat Enterprise Linux: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Oct 11, 2026
- RHSA-2024:4499 Red Hat Security Advisory: ruby security update Red Hat Security Advisories (RHSA) · Aug 20, 2026
- RHSA-2024:5338 Red Hat Security Advisory: pcs security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-7840-1 ruby2.3, ruby2.5, ruby2.7 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-7734-1 ruby2.5, ruby2.7, ruby3.0, ruby3.2, ruby3.3 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-7418-1 ruby2.7, ruby3.0, ruby3.2, ruby3.3 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-7091-1 ruby3.0, ruby3.2, ruby3.3 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-7091-2 ruby2.7 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-4018-1 ruby2.7 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2024:4499 Moderate: ruby security update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2025:0129-1 Security update for rubygem-rexml SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3874-1 Security update for ruby2.5 SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2024:5338 Low: pcs security update Rocky Linux Security Advisories · May 7, 2025
- ALAS2023-2025-921 Moderate: ruby3.2 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 1, 2025
- ELSA-2024-5338 Low: pcs security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 16, 2024
- WID-SEC-2024-1465 IBM License Metric Tool: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jul 15, 2024
- ELSA-2024-4499 Moderate: ruby security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 15, 2024