CVE-2026-0915 Affecting glibc package, versions <2.42-r6


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (6th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-GLIBC-15046265
  • published21 Jan 2026
  • disclosed15 Jan 2026

Introduced: 15 Jan 2026

CVE-2026-0915  (opens in a new tab)

How to fix?

Upgrade Chainguard glibc to version 2.42-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Calling getnetbyaddr or getnetbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend for networks and queries for a zero-valued network in the GNU C Library version 2.0 to version 2.42 can leak stack contents to the configured DNS resolver.

CVSS Base Scores

version 3.1