CVE-2025-47911

Published: Feb 5, 2026Modified: Jun 17, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitability: 3.9 / Impact: 1.4

Source: NVD

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.

Affected (1)

Products: Go: Html

1 product

Html

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Go Html	Before 0.45.0

References (4)

https://github.com/golang/vulndb/issues/4440

Source: security@golang.org

Issue Tracking

https://go.dev/cl/709876

Source: security@golang.org

Patch

https://groups.google.com/g/golang-announce/c/jnQcOYpiR2c

Source: security@golang.org

Mailing ListThird Party Advisory

https://pkg.go.dev/vuln/GO-2026-4440

Source: security@golang.org

Vendor Advisory

Timeline

No history available yet.