{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121444", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-03T12:32:14.752Z", "datePublished": "2026-11-03T14:28:33.982Z", "dateUpdated": "2026-11-03T14:28:33.982Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-03T14:28:33.982Z"}, "datePublic": "2026-10-19T00:00:00.000Z", "title": "svg-sanitizer 0.11.0 before 1.1.0 Algorithmic Complexity DoS via use Reference Graph", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Uncontrolled Resource Consumption", "cweId": "CWE-400", "type": "CWE"}]}], "affected": [{"vendor": "darylldoyle", "product": "svg-sanitizer", "defaultStatus": "unaffected", "versions": [{"version": "0.11.0", "status": "affected", "versionType": "semver", "lessThan": "1.1.0"}, {"version": "1.1.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:drupal:svg_sanitizer:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.11.0", "versionEndExcluding": "1.1.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-hrwm-vcc9-hcm4", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-hrwm-vcc9-hcm4)"}, {"name": "VulnCheck Advisory: svg-sanitizer 0.11.0 before 1.1.0 Algorithmic Complexity DoS via use Reference Graph", "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"}], "credits": [{"lang": "en", "value": "ba-am", "type": "reporter"}, {"lang": "en", "value": "AlpetGexha", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{}

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