{"affected":[{"defaultStatus":"unaffected","product":"svg-sanitizer","source":"CNA: VulnCheck","vendor":"darylldoyle","versions":[{"lessThan":"1.1.0","status":"affected","version":"0.11.0","versionType":"semver"},{"status":"unaffected","version":"1.1.0","versionType":"semver"}]}],"cveId":"CVE-2026-121444","cwes":["CWE-400"],"description":"svg-sanitizer from 0.11.0 before 1.1.0 contains an algorithmic complexity denial of service vulnerability in hasInfiniteLoop() and countUse() of the use reference-graph analysis. Attackers can upload a small layered SVG with 15 levels of fanned-out use elements, forcing exponential path enumeration that pins PHP workers for hours.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793716113982,"publishedAt":1793716113982,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-hrwm-vcc9-hcm4"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/svg-sanitizer-0.11.0-before-1.1.0-algorithmic-complexity-dos-via-use-reference-graph"}],"remediation":[],"revision":"3b62cfb561cf5ef60d58cbcb75851743ee384fb807b9bff169effa1fd1bf0e0d","sources":[{"modifiedAt":1793716113982,"name":"CNA: VulnCheck","retrievedAt":1793718597123,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121444"}],"ssvc":null,"status":"published","title":"svg-sanitizer 0.11.0 before 1.1.0 Algorithmic Complexity DoS via use Reference Graph","updatedAt":1793718597123}