{"cve":"CVE-2025-47911","nvd":{"published":"2026-02-05T18:16:09.893","modified":"2026-06-17T09:28:50.070","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":[],"references":["https://github.com/golang/vulndb/issues/4440","https://go.dev/cl/709876","https://groups.google.com/g/golang-announce/c/jnQcOYpiR2c","https://pkg.go.dev/vuln/GO-2026-4440"],"products":["go:html"],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2025-47911","score":0.0057,"percentile":0.47166,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-w4gw-w5jq-g9jh","url":"https://osv.dev/vulnerability/GHSA-w4gw-w5jq-g9jh","summary":"golang.org/x/net/html has a Quadratic Parsing Complexity issue","modified":"2026-09-10T03:50:35.970501001Z","packages":[{"ecosystem":"Go","name":"golang.org/x/net/html","purl":"pkg:golang/golang.org/x/net/html","ranges":["<0.45.0"],"fixed":["0.45.0"]}]},{"id":"GO-2026-4440","url":"https://osv.dev/vulnerability/GO-2026-4440","summary":"Quadratic parsing complexity in golang.org/x/net/html","modified":"2026-05-15T10:59:23.883331519Z","packages":[{"ecosystem":"Go","name":"golang.org/x/net","purl":"pkg:golang/golang.org/x/net","ranges":["<0.45.0"],"fixed":["0.45.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}