{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-121443","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-03T12:32:14.752Z","datePublished":"2026-11-03T14:28:33.308Z","dateUpdated":"2026-11-03T14:28:33.308Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-03T14:28:33.308Z"},"datePublic":"2026-10-20T00:00:00.000Z","title":"svg-sanitizer from 1.1.0 before 1.1.1 Denial of Service via Unclosed Tag","descriptions":[{"lang":"en","value":"svg-sanitizer from 1.1.0 before 1.1.1 contains a denial of service vulnerability that allows remote attackers to crash requests by submitting SVG input ending inside an unclosed tag. Attackers can upload truncated input like a single '<' to trigger an uncaught ValueError from strpos() in hasElementWithTooManyAttributes() or hasInternalDtdSubset() on PHP 8, failing the request."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Uncaught Exception","cweId":"CWE-248","type":"CWE"}]}],"affected":[{"vendor":"darylldoyle","product":"svg-sanitizer","defaultStatus":"unaffected","versions":[{"version":"1.1.0","status":"affected","versionType":"semver","lessThan":"1.1.1"},{"version":"1.1.1","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:drupal:svg_sanitizer:*:*:*:*:*:*:*:*","versionStartIncluding":"1.1.0","versionEndExcluding":"1.1.1"}]}]}],"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:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"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:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-f7cw-vfxq-7ph2","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-f7cw-vfxq-7ph2)"},{"name":"VulnCheck Advisory: svg-sanitizer from 1.1.0 before 1.1.1 Denial of Service via Unclosed Tag","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/svg-sanitizer-from-1.1.0-before-1.1.1-denial-of-service-via-unclosed-tag"}],"credits":[{"lang":"en","value":"nlemoine","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}}}}