Moderate severityNVD Advisory· Published Jul 16, 2024· Updated Nov 3, 2025
Denial of service in REXML
CVE-2024-39908
Description
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as <, 0 and %>. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
rexmlRubyGems | < 3.3.2 | 3.3.2 |
Affected products
126- osv-coords125 versionspkg:apk/chainguard/jruby-9.4pkg:apk/chainguard/jruby-9.4-default-rubypkg:apk/chainguard/kube-fluentd-operatorpkg:apk/chainguard/kube-fluentd-operator-compatpkg:apk/chainguard/kube-fluentd-operator-default-configpkg:apk/chainguard/kube-fluentd-operator-oci-entrypointpkg:apk/chainguard/logstashpkg:apk/chainguard/logstash-compatpkg:apk/chainguard/logstash-env2yamlpkg:apk/chainguard/logstash-jre-bcfipspkg:apk/chainguard/logstash-jre-bcfips-compatpkg:apk/chainguard/logstash-jre-bcfips-env2yamlpkg:apk/chainguard/logstash-jre-bcfips-with-output-opensearchpkg:apk/chainguard/logstash-with-output-opensearchpkg:apk/chainguard/ruby-3.1pkg:apk/chainguard/ruby-3.1-basepkg:apk/chainguard/ruby-3.1-base-devpkg:apk/chainguard/ruby-3.1-devpkg:apk/chainguard/ruby-3.1-docpkg:apk/chainguard/ruby3.1-fluentd-kubernetes-daemonset-1.16pkg:apk/chainguard/ruby3.1-fluentd-kubernetes-daemonset-1.16-kinesispkg:apk/chainguard/ruby3.1-fluentd-kubernetes-daemonset-1.17pkg:apk/chainguard/ruby3.1-fluentd-kubernetes-daemonset-1.17-kinesispkg:apk/chainguard/ruby-3.2pkg:apk/chainguard/ruby-3.2-basepkg:apk/chainguard/ruby-3.2-base-devpkg:apk/chainguard/ruby-3.2-devpkg:apk/chainguard/ruby-3.2-docpkg:apk/chainguard/ruby3.2-fluentd-kubernetes-daemonset-1.16pkg:apk/chainguard/ruby3.2-fluentd-kubernetes-daemonset-1.16-kinesispkg:apk/chainguard/ruby3.2-fluentd-kubernetes-daemonset-1.17pkg:apk/chainguard/ruby3.2-fluentd-kubernetes-daemonset-1.17-kinesispkg:apk/chainguard/ruby3.2-rexmlpkg:apk/chainguard/ruby-3.3pkg:apk/chainguard/ruby-3.3-basepkg:apk/chainguard/ruby-3.3-base-devpkg:apk/chainguard/ruby-3.3-devpkg:apk/chainguard/ruby-3.3-docpkg:apk/chainguard/ruby3.3-fluentd-kubernetes-daemonset-1.16pkg:apk/chainguard/ruby3.3-fluentd-kubernetes-daemonset-1.16-kinesispkg:apk/chainguard/ruby3.3-fluentd-kubernetes-daemonset-1.17pkg:apk/chainguard/ruby3.3-fluentd-kubernetes-daemonset-1.17-kinesispkg:apk/chainguard/ruby3.4-fluentd-kubernetes-daemonset-1.16pkg:apk/chainguard/ruby3.4-fluentd-kubernetes-daemonset-1.16-kinesispkg:apk/chainguard/ruby3.4-fluentd-kubernetes-daemonset-1.17pkg:apk/chainguard/ruby3.4-fluentd-kubernetes-daemonset-1.17-kinesispkg:apk/wolfi/jruby-9.4pkg:apk/wolfi/jruby-9.4-default-rubypkg:apk/wolfi/kube-fluentd-operatorpkg:apk/wolfi/kube-fluentd-operator-compatpkg:apk/wolfi/kube-fluentd-operator-default-configpkg:apk/wolfi/kube-fluentd-operator-oci-entrypointpkg:apk/wolfi/logstashpkg:apk/wolfi/logstash-compatpkg:apk/wolfi/logstash-env2yamlpkg:apk/wolfi/logstash-with-output-opensearchpkg:apk/wolfi/ruby-3.1pkg:apk/wolfi/ruby-3.1-basepkg:apk/wolfi/ruby-3.1-base-devpkg:apk/wolfi/ruby-3.1-devpkg:apk/wolfi/ruby-3.1-docpkg:apk/wolfi/ruby3.1-fluentd-kubernetes-daemonset-1.17pkg:apk/wolfi/ruby3.1-fluentd-kubernetes-daemonset-1.17-kinesispkg:apk/wolfi/ruby-3.2pkg:apk/wolfi/ruby-3.2-basepkg:apk/wolfi/ruby-3.2-base-devpkg:apk/wolfi/ruby-3.2-devpkg:apk/wolfi/ruby-3.2-docpkg:apk/wolfi/ruby3.2-fluentd-kubernetes-daemonset-1.17pkg:apk/wolfi/ruby3.2-fluentd-kubernetes-daemonset-1.17-kinesispkg:apk/wolfi/ruby3.2-rexmlpkg:apk/wolfi/ruby-3.3pkg:apk/wolfi/ruby-3.3-basepkg:apk/wolfi/ruby-3.3-base-devpkg:apk/wolfi/ruby-3.3-devpkg:apk/wolfi/ruby-3.3-docpkg:apk/wolfi/ruby3.3-fluentd-kubernetes-daemonset-1.17pkg:apk/wolfi/ruby3.3-fluentd-kubernetes-daemonset-1.17-kinesispkg:apk/wolfi/ruby3.4-fluentd-kubernetes-daemonset-1.17pkg:apk/wolfi/ruby3.4-fluentd-kubernetes-daemonset-1.17-kinesispkg:gem/rexmlpkg:rpm/almalinux/rubypkg:rpm/almalinux/ruby-bundled-gemspkg:rpm/almalinux/ruby-default-gemspkg:rpm/almalinux/ruby-develpkg:rpm/almalinux/ruby-docpkg:rpm/almalinux/rubygem-abrtpkg:rpm/almalinux/rubygem-abrt-docpkg:rpm/almalinux/rubygem-bigdecimalpkg:rpm/almalinux/rubygem-bundlerpkg:rpm/almalinux/rubygem-io-consolepkg:rpm/almalinux/rubygem-irbpkg:rpm/almalinux/rubygem-jsonpkg:rpm/almalinux/rubygem-minitestpkg:rpm/almalinux/rubygem-mysql2pkg:rpm/almalinux/rubygem-mysql2-docpkg:rpm/almalinux/rubygem-pgpkg:rpm/almalinux/rubygem-pg-docpkg:rpm/almalinux/rubygem-power_assertpkg:rpm/almalinux/rubygem-psychpkg:rpm/almalinux/rubygem-raccpkg:rpm/almalinux/rubygem-rakepkg:rpm/almalinux/rubygem-rbspkg:rpm/almalinux/rubygem-rdocpkg:rpm/almalinux/rubygem-rexmlpkg:rpm/almalinux/rubygem-rsspkg:rpm/almalinux/rubygemspkg:rpm/almalinux/rubygems-develpkg:rpm/almalinux/rubygem-test-unitpkg:rpm/almalinux/rubygem-typeprofpkg:rpm/almalinux/ruby-libspkg:rpm/opensuse/rubygem-rexml&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/ruby2.5&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/ruby2.5&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/rubygem-rexml&distro=SUSE%20Package%20Hub%2015%20SP6
< 9.4.9.0-r0+ 124 more
- (no CPE)range: < 9.4.9.0-r0
- (no CPE)range: < 9.4.9.0-r0
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 1.16.6.1.2-r1
- (no CPE)range: < 1.16.6.1.2-r1
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 1.16.6.1.2-r2
- (no CPE)range: < 1.16.6.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r1
- (no CPE)range: < 1.17.1.1.2-r1
- (no CPE)range: < 3.3.2-r0
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 1.16.6.1.2-r2
- (no CPE)range: < 1.16.6.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 1.16.6.1.2-r2
- (no CPE)range: < 1.16.6.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 9.4.9.0-r0
- (no CPE)range: < 9.4.9.0-r0
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 1.18.2-r13
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 8.15.0-r0
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 3.1.6-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 3.2.4-r6
- (no CPE)range: < 1.17.1.1.2-r1
- (no CPE)range: < 1.17.1.1.2-r1
- (no CPE)range: < 3.3.2-r0
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 3.3.4-r1
- (no CPE)range: < 1.17.1.1.2-r1
- (no CPE)range: < 1.17.1.1.2-r1
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 1.17.1.1.2-r2
- (no CPE)range: < 3.3.2
- (no CPE)range: < 3.3.5-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.3.5-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.3.5-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.3.5-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.3.5-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 0.4.0-1.module_el8.10.0+3799+191214cc
- (no CPE)range: < 0.4.0-1.module_el8.10.0+3799+191214cc
- (no CPE)range: < 3.1.5-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 2.5.16-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 0.7.1-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 1.13.1-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 2.7.1-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 5.20.0-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 0.5.5-1.module_el8.10.0+3799+191214cc
- (no CPE)range: < 0.5.5-1.module_el8.10.0+3799+191214cc
- (no CPE)range: < 1.5.4-1.module_el8.10.0+3799+191214cc
- (no CPE)range: < 1.5.4-1.module_el8.10.0+3799+191214cc
- (no CPE)range: < 2.0.3-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 5.1.2-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 1.7.3-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 13.1.0-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.4.0-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 6.6.3.1-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.3.6-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 0.3.1-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.5.16-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.5.16-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.6.1-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 0.21.9-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.3.5-3.module_el8.10.0+3894+6d587c81
- (no CPE)range: < 3.3.9-bp156.4.3.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 2.5.9-150000.4.32.1
- (no CPE)range: < 3.3.9-bp156.4.3.1
- ruby/rexmlv5Range: < 3.3.2
Patches
Vulnerability mechanics
References
8- github.com/advisories/GHSA-4xqq-m2hx-25v8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-39908ghsaADVISORY
- github.com/ruby/rexml/releases/tag/v3.3.2ghsaWEB
- github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8ghsax_refsource_CONFIRMWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2024-39908.ymlghsaWEB
- lists.debian.org/debian-lts-announce/2025/01/msg00011.htmlghsaWEB
- security.netapp.com/advisory/ntap-20250117-0008ghsaWEB
- www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908ghsax_refsource_MISCWEB
News mentions
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