CVE-2025-47911

Aliases:GO-2026-4440GHSA-w4gw-w5jq-g9jh
Advisory lineage Upstream: 0 Downstream: 56
Analyzed
Published: 05 Feb 2026, 17:48
Last modified:12 Feb 2026, 15:23

Vulnerability Summary

Overall Risk (default)
low
21/100
CVSS Score
5.3 MEDIUM
v3.1 (cve.org)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Feb 2026, 17:48
Published
Vulnerability first disclosed
12 Feb 2026, 15:23
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Trends

Current EPSS score: 0.02%• Percentile: 4%

Affected Systems

  • go•html

    < 0.45.0

  • golang.org/x•net

    < 0.45.0

  • golang.org/x/net•html

    < 0.45.0

  • golang.org/x/net•golang.org/x/net/html

    < 0.45.0

References (6)