{"schema_version":"1.9.0","id":"CVE-2022-24836","published":"2022-04-11T00:00:00Z","modified":"2026-08-12T03:51:15.791509414Z","aliases":["GHSA-crjr-9rc5-ghw8"],"related":["SUSE-SU-2022:3890-1","SUSE-SU-2022:4015-1","SUSE-SU-2022:4016-1","openSUSE-SU-2024:11999-1","openSUSE-SU-2024:13165-1","openSUSE-SU-2024:14174-1","openSUSE-SU-2025:14697-1","openSUSE-SU-2026:10356-1"],"summary":"Inefficient Regular Expression Complexity in Nokogiri","details":"Nokogiri is an open source XML and HTML library for Ruby. Nokogiri `< v1.13.4` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. Users are advised to upgrade to Nokogiri `>= 1.13.4`. There are no known workarounds for this issue.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/sparklemotion/nokogiri","events":[{"introduced":"0"},{"fixed":"4e2c4b2571dc58af294f61e6fd923f0d1698c036"},{"fixed":"e444525ef1634b675cd1cf52d39f4320ef0aecfd"}],"database_specific":{"cpe":"cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:ruby:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.13.4"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.13.3","v1.13.2","v1.13.1","v1.13.0","v1.12.3","v1.12.2","v1.12.1","v1.12.0","v1.12.0.rc1","v1.11.3","v1.11.2","v1.11.1","v1.11.0","v1.11.0.rc4","v1.11.0.rc3","v1.11.0.rc2","v1.11.0.rc1","v1.10.3","v1.10.2","v1.8.5","v1.10.1","v1.10.0","v1.10.0.rc1","v1.9.1","v1.9.0","v1.9.0.rc1","v1.8.4","v1.8.3","v1.8.2","v1.8.1","v1.8.0","v1.7.0.1","v1.7.0","v1.6.8","v1.6.8.rc3","v1.6.8.rc2","v1.6.8.rc1","v1.6.7.rc4","v1.6.6.2","v1.6.7.rc3","v1.6.7.rc2","v1.6.7.rc1","1.7.0.1-linux-binary1","v1.6.6.1","v1.6.6","v1.6.5","v1.6.4","v1.6.3.1","v1.6.3","v1.6.3.rc3","v1.6.3.rc2","v1.6.3.rc1","v1.6.2.1","v1.6.2","v1.6.2.rc3","v1.6.2.rc1","v1.6.2.beta.1","v1.6.0","v1.5.9","v1.6.0.rc1","v1.5.8","v1.5.7","v1.5.7.rc3","v1.5.7.rc2","v1.5.7.rc1","v1.5.6","v1.5.6.rc2","v1.5.5.rc2","v1.5.5.rc1","v1.5.4.rc3","v1.5.4.rc2","v1.5.4.rc1","v1.5.3","v1.5.3.rc6","v1.5.3.rc5","v1.5.3.rc4","v1.5.3.rc3","v1.5.3.rc1","v1.5.2","v1.5.1","v1.5.1.rc1","v1.5.0","v1.5.0.beta.3","v1.5.0.beta.4","REL_1.5.0.beta.2","REL_1.5.0.beta.1","REL_1.0.7","REL_1.0.6","REL_1.0.5","REL_1.0.4","REL_1.0.3","REL_1.0.2","REL_1.0.1","REL_1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-24836.json"}}],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00010.html"},{"type":"WEB","url":"https://support.apple.com/kb/HT213532"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24836.json"},{"type":"ADVISORY","url":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DHCOWMA5PQTIQIMDENA7R2Y5BDYAIYM/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUPLBUZVM4WPFSXBEP2JS3R6LMKRTLFC/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMDCWRQXJQ3TFSETPCEFMQ6RR6ME5UA3/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24836"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-29"},{"type":"FIX","url":"https://github.com/sparklemotion/nokogiri/commit/e444525ef1634b675cd1cf52d39f4320ef0aecfd"},{"type":"ARTICLE","url":"http://seclists.org/fulldisclosure/2022/Dec/23"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00013.html"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00018.html"}],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-1333","CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24836.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}