{"id":"CVE-2025-47911","state":"PUBLISHED","title":"Quadratic parsing complexity in golang.org/x/net/html","description":"The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.","publishedAt":"2026-02-05T17:48:44.562Z","updatedAt":"2026-02-12T15:23:55.509Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"CISA-ADP"},"assigner":"Go","products":["golang.org/x/net golang.org/x/net/html"],"affected":[{"vendor":"golang.org/x/net","product":"golang.org/x/net/html","packageName":"golang.org/x/net/html","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.45.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"parser.parse"},{"name":"Parse"},{"name":"ParseFragment"},{"name":"ParseFragmentWithOptions"},{"name":"ParseWithOptions"}]}],"references":["https://go.dev/cl/709876","https://github.com/golang/vulndb/issues/4440","https://groups.google.com/g/golang-announce/c/jnQcOYpiR2c","https://pkg.go.dev/vuln/GO-2026-4440"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/47xxx/CVE-2025-47911.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-47911","state":"PUBLISHED","datePublished":"2026-02-05T17:48:44.562Z","dateUpdated":"2026-02-12T15:23:55.509Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2025-05-13T23:31:29.597Z"},"containers":{"cna":{"title":"Quadratic parsing complexity in golang.org/x/net/html","descriptions":[{"lang":"en","value":"The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content."}],"affected":[{"vendor":"golang.org/x/net","product":"golang.org/x/net/html","packageName":"golang.org/x/net/html","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.45.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"parser.parse"},{"name":"Parse"},{"name":"ParseFragment"},{"name":"ParseFragmentWithOptions"},{"name":"ParseWithOptions"}]}],"references":[{"url":"https://go.dev/cl/709876"},{"url":"https://github.com/golang/vulndb/issues/4440"},{"url":"https://groups.google.com/g/golang-announce/c/jnQcOYpiR2c"},{"url":"https://pkg.go.dev/vuln/GO-2026-4440"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-400: Uncontrolled Resource Consumption"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2026-02-05T17:48:44.562Z"},"credits":[{"lang":"en","value":"Guido Vranken"},{"lang":"en","value":"Jakub Ciolek"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-02-12T15:23:40.307728Z","id":"CVE-2025-47911","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-12T15:23:55.509Z"}}]}}}