CVE-2026-41051 Affecting csync2 package, versions <2.0-42-g83b3644-6


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.08% (1st percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-CSYNC2-16750495
  • published18 May 2026
  • disclosed13 May 2026

Introduced: 13 May 2026

CVE-2026-41051  (opens in a new tab)

How to fix?

Upgrade Debian:unstable csync2 to version 2.0-42-g83b3644-6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream csync2 package and not the csync2 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories.

CVSS Base Scores

version 3.1