Out-of-bounds read in Rsync - CVE-2025-10158

 

Out-of-bounds read in Rsync - CVE-2025-10158

Published: December 26, 2025


Vulnerability identifier: #VU120348
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-10158
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform a denial of service attack.

The vulnerability exists due to a boundary condition within the send_files() function in sender.c. A remote user can trigger an out-of-bounds read error and perform a denial of service attack.


Affected software

Rsync
IBM Business Automation Workflow
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
SUSE Linux Micro
Red Hat Enterprise Linux for x86_64
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Ubuntu
Basesystem Module
openSUSE Leap
openEuler
Fedora
LANTIME Operating System Firmware (LTOS)
rsync (Ubuntu package)
rsync-debugsource
rsync
rsync-debuginfo
rsync-help
rsync (Red Hat package)
rsync-daemon
rsync-doc

How to mitigate CVE-2025-10158

Install updates from vendor's website.

LANTIME Operating System Firmware (LTOS) - update to 7.10.012
IBM Business Automation Workflow - addressed in versions 24.0.0-IF009, 24.0.1-IF008, 25.0.0-IF005, 26.0.0.0
rsync (Ubuntu package) - addressed in versions 3.1.0-2ubuntu0.4+esm3, 3.1.0-2ubuntu0.4+esm4, 3.1.1-3ubuntu1.3+esm5, 3.1.1-3ubuntu1.3+esm6, 3.1.2-2.1ubuntu1.6+esm3, 3.1.2-2.1ubuntu1.6+esm4, 3.1.3-8ubuntu0.9+esm1, 3.1.3-8ubuntu0.9+esm2, 3.2.7-0ubuntu0.22.04.6, 3.2.7-0ubuntu0.22.04.7, 3.2.7-1ubuntu1.4, 3.2.7-1ubuntu1.5, 3.4.1+ds1-7ubuntu0.2, 3.4.1+ds1-7ubuntu0.3, 3.4.1+ds1-5ubuntu1.2, 3.4.1+ds1-5ubuntu1.3
rsync-debugsource - addressed in versions 3.1.3-3.34.1, 3.1.3-3.43.1, 3.2.3-150000.4.39.1, 3.2.3-150400.3.26.1, 3.2.3-150400.3.31.1, 3.2.7-7.1, 3.2.7-150600.3.14.1, 3.2.7-150600.3.21.1, 3.3.0-slfo.1.1_6.1
rsync - addressed in versions 3.1.3-3.34.1, 3.1.3-3.43.1, 3.2.3-150000.4.39.1, 3.2.3-150400.3.26.1, 3.2.3-150400.3.31.1, 3.2.7-7.1, 3.2.7-150600.3.14.1, 3.2.7-150600.3.21.1, 3.3.0-slfo.1.1_6.1
rsync-debuginfo - addressed in versions 3.1.3-3.34.1, 3.1.3-3.43.1, 3.2.3-150000.4.39.1, 3.2.3-150400.3.26.1, 3.2.3-150400.3.31.1, 3.2.7-7.1, 3.2.7-150600.3.14.1, 3.2.7-150600.3.21.1, 3.3.0-slfo.1.1_6.1
rsync-help - addressed in versions 3.1.3-12, 3.2.5-5, 3.2.7-7
rsync-debugsource - addressed in versions 3.1.3-12, 3.2.5-5, 3.2.7-7
rsync-debuginfo - addressed in versions 3.1.3-12, 3.2.5-5, 3.2.7-7
rsync - addressed in versions 3.1.3-12, 3.2.5-5, 3.2.7-7
rsync (Red Hat package) - addressed in versions 3.1.3-24.el8_10, 3.2.5-3.el9_7.2, 3.4.1-2.el10_0.2
rsync - addressed in versions 3.1.3-24.0.1, 3.4.1-2
rsync-daemon - addressed in versions 3.1.3-24.0.1, 3.4.1-2
rsync-doc - addressed in versions 3.1.3-24.0.1, 3.4.1-2
rsync - addressed in versions 3.4.1-4.fc42, 3.4.1-5.fc42, 3.4.1-5.fc43

External References

Related Security Bulletins