CVE-2025-10158
rsync: Rsync: Out of bounds array access via negative index
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 18, 2025
Updated · July 12, 2026
Description
An out of bounds read flaw has been discovered in rsync. A malicious client acting as the receiver of an rsync file transfer can trigger an OOB read via a negative array index. The rsync client requires at least read access to the remote rsync module to trigger the issue.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE-129 · Improper Validation of Array Index