CVE-2025-47911 Affecting golang-golang-x-net-dev package, versions <1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-UBUNTU2004-GOLANGGOLANGXNETDEV-15246813
  • published29 Mar 2026
  • disclosed5 Feb 2026

Introduced: 5 Feb 2026

CVE-2025-47911  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 golang-golang-x-net-dev to version 1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-golang-x-net-dev package and not the golang-golang-x-net-dev package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

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 Base Scores

version 3.1