{"schema_version":"1.7.3","id":"GHSA-w4gw-w5jq-g9jh","published":"2026-02-12T22:06:13Z","modified":"2026-02-16T14:43:56.813618Z","aliases":["CVE-2025-47911","GO-2026-4440"],"related":["CGA-mhf2-24x8-jgh8"],"summary":"golang.org/x/net/html has a Quadratic Parsing Complexity issue","details":"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":[{"package":{"name":"golang.org/x/net/html","ecosystem":"Go","purl":"pkg:golang/golang.org/x/net/html"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.45.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-w4gw-w5jq-g9jh/GHSA-w4gw-w5jq-g9jh.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47911"},{"type":"WEB","url":"https://github.com/golang/vulndb/issues/4440"},{"type":"WEB","url":"https://go.dev/cl/709876"},{"type":"PACKAGE","url":"https://go.googlesource.com/net"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/jnQcOYpiR2c"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2026-4440"}],"database_specific":{"cwe_ids":["CWE-407"],"github_reviewed":true,"github_reviewed_at":"2026-02-12T22:06:13Z","nvd_published_at":"2026-02-05T18:16:09Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}