CVE-2025-47911

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.

PUBLISHED Reserved 2025-05-13 | Published 2026-02-05 | Updated 2026-02-12 | Assigner Go

Problem types

CWE-400: Uncontrolled Resource Consumption

Product status

Credits

Guido Vranken

Jakub Ciolek

References

go.dev/cl/709876

github.com/golang/vulndb/issues/4440

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

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

cve.org (CVE-2025-47911)

nvd.nist.gov (CVE-2025-47911)

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