CVE-2025-10158 Affecting rsync package, versions <3.4.1-r1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.33% (26th percentile)

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  • Snyk IDSNYK-ALPINE321-RSYNC-14079801
  • published20 Nov 2025
  • disclosed18 Nov 2025

Introduced: 18 Nov 2025

CVE-2025-10158  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 rsync to version 3.4.1-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rsync package and not the rsync package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

A malicious client acting as the receiver of an rsync file transfer can trigger an out of bounds read of a heap based buffer, via a negative array index. The

malicious

rsync client requires at least read access to the remote rsync module in order to trigger the issue.

CVSS Base Scores

version 3.1