{"schema_version":"1.9.0","id":"CVE-2022-23514","published":"2022-12-14T13:19:25.943Z","modified":"2026-08-12T03:51:22.585685244Z","aliases":["GHSA-486f-hjj9-9vhh"],"related":["SUSE-SU-2023:1657-1","openSUSE-SU-2024:12768-1","openSUSE-SU-2024:14171-1","openSUSE-SU-2025:15120-1","openSUSE-SU-2026:10353-1"],"summary":"Inefficient Regular Expression Complexity in Loofah","details":"Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah < 2.19.1 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue is patched in version 2.19.1.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/flavorjones/loofah","events":[{"introduced":"0"},{"fixed":"3f8806300089135f7832a59aa2689a6674d37897"}],"database_specific":{"cpe":"cpe:2.3:a:loofah_project:loofah:*:*:*:*:*:ruby:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.19.1"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["v2.19.0","v2.18.0","v2.17.0","v2.16.0","v2.15.0","v2.14.0","v2.13.0","v2.12.0","v2.11.0","v2.10.0","v2.9.1","v2.9.0","v2.8.0","v2.7.0","v2.6.0","v2.5.0","v2.4.0","v2.3.1","v2.3.0","v2.2.2","v2.2.1","v2.2.0","v2.1.1","v2.1.0","v2.1.0.rc2","v2.1.0.rc1","v2.0.3","v2.0.2","v2.0.1","v2.0.0","v1.2.1","v1.2.0","v1.1.0","v1.0.0","v1.0.0.beta.1","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.1","v0.3.0","v0.2.2","v0.2.1","v0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-23514.json"}}],"references":[{"type":"WEB","url":"https://hackerone.com/reports/1684163"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23514.json"},{"type":"ADVISORY","url":"https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23514"}],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-1333"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23514.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"}]}