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.
History

Thu, 20 Nov 2025 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Rsync
Rsync rsync
Vendors & Products Rsync
Rsync rsync

Wed, 19 Nov 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 19 Nov 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 18 Nov 2025 15:00:00 +0000


Tue, 18 Nov 2025 14:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Rsync: Out of bounds array access via negative index
Weaknesses CWE-129
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: rapid7

Published: 2025-11-18T14:24:19.210Z

Updated: 2025-11-19T16:48:56.591Z

Reserved: 2025-09-09T11:15:17.585Z

Link: CVE-2025-10158

cve-icon Vulnrichment

Updated: 2025-11-19T16:15:07.191Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-18T15:16:25.433

Modified: 2025-11-19T19:15:16.750

Link: CVE-2025-10158

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-11-18T14:24:19Z

Links: CVE-2025-10158 - Bugzilla