{"id":"CVE-2025-10990","aliases":["CVE-2024-49761","GHSA-2rxp-v6pw-ch6m"],"url":"https://o3.security/vulnerability/CVE-2025-10990","summary":"Rexml: rexml: denial of service via inefficient regex parsing","details":"### Impact\n\nThe REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between `&#` and `x...;` in a hex numeric character reference (`&#x...;`).\n\nThis does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. Note that Ruby 3.1 will reach EOL on 2025-03.\n\n### Patches\n\nThe REXML gem 3.3.9 or later include the patch to fix the vulnerability.\n\n### Workarounds\n\nUse Ruby 3.2 or later instead of Ruby 3.1.\n\n### References\n\n* https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/: An announce on www.ruby-lang.org","published":"2026-02-27T13:32:02.309Z","modified":"2026-08-12T03:51:32.114821320Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"rexml","fixedVersion":"3.3.9"}],"fix":{"url":"https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f","label":"ruby/rexml@ce59f2e"},"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://www.redhat.com/en/technologies/management/satellite"},{"type":"WEB","url":"https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:17606"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:17613"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:17693"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2025-10990"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/10xxx/CVE-2025-10990.json"},{"type":"ADVISORY","url":"https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-10990"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2398216"},{"type":"FIX","url":"https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49761"},{"type":"PACKAGE","url":"https://github.com/ruby/rexml"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2024-49761.yml"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20241227-0004"},{"type":"WEB","url":"https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:32.114821320Z"}}