Bug 2415637 (CVE-2025-10158)

Summary:	CVE-2025-10158 rsync: Rsync: Out of bounds array access via negative index
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	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.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2415718, 2415719, 2415720
Bug Blocks:

Description OSIDB Bzimport 2025-11-18 15:01:37 UTC

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.

Comment 3 errata-xmlrpc 2026-04-01 15:28:41 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:6390 https://access.redhat.com/errata/RHSA-2026:6390

Comment 4 errata-xmlrpc 2026-04-02 10:42:26 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:6436 https://access.redhat.com/errata/RHSA-2026:6436

Comment 7 errata-xmlrpc 2026-04-07 16:29:30 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:6825 https://access.redhat.com/errata/RHSA-2026:6825

Comment 9 errata-xmlrpc 2026-05-05 17:49:43 UTC

This issue has been addressed in the following products:

  RHEL-8 based Middleware Containers

Via RHSA-2026:13812 https://access.redhat.com/errata/RHSA-2026:13812