Rsync: Out of bounds array access via negative index
CVE-2025-10158 is fixed in 5 products on 1 platform, first by rsync 3.4.1+ds1-7, released November 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.
The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends the differences in files over the network instead of sending whole files. The rsync utility is also used as a mirroring tool. Security Fix(es): * rsync: Rsync: Out of bounds array access via negative index (CVE-2025-10158) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| rsync · Debian 12.15 (bookworm) | 3.2.7-1+deb12u4 | DEBIAN-CVE-2025-10158 | Nov 18, 2025 |
| rsync · Debian 13.5 (trixie) | 3.4.1+ds1-5+deb13u1 | DEBIAN-CVE-2025-10158 | Nov 18, 2025 |
| rsync · Debian 14 | 3.4.1+ds1-7 | DEBIAN-CVE-2025-10158 | Nov 18, 2025 |
| rsync · RHEL 10 | 3.4.1-2.el10_0.2 | RHSA-2026:20696 | Apr 15, 2026 |
| rsync · RHEL 8 | 0:3.1.3-24.el8_10 | RHSA-2026:6436 | Apr 15, 2026 |
| rsync · RHEL 9 | 0:3.2.5-3.el9_7.2 | RHSA-2026:6390 | Apr 15, 2026 |
| rsync · Ubuntu 18.04.6 LTS (bionic) | 3.1.2-2.1ubuntu1.6+esm3 | rsync 3.1.2-2.1ubuntu1.6+esm3 | May 19, 2026 |
| rsync · Ubuntu 20.04 LTS (focal) | 3.1.3-8ubuntu0.9+esm1 | rsync 3.1.3-8ubuntu0.9+esm1 | May 19, 2026 |
| rsync · Ubuntu 22.04.1 LTS (jammy) | 3.2.7-0ubuntu0.22.04.6 | rsync 3.2.7-0ubuntu0.22.04.6 | May 27, 2026 |
| rsync · Ubuntu 24.04.5 LTS (noble) | 3.2.7-1ubuntu1.4 | rsync 3.2.7-1ubuntu1.4 | May 27, 2026 |
| rsync · Ubuntu 25.10 (questing) | 3.4.1+ds1-5ubuntu1.2 | rsync 3.4.1+ds1-5ubuntu1.2 | May 27, 2026 |
| rsync · Ubuntu 26.04.1 LTS (resolute) | 3.4.1+ds1-7 | rsync 3.4.1+ds1-7 | Nov 18, 2025 |
| rsync · almalinux 8 | 3.1.3-24.el8_10 | ALSA-2026:6436 | Apr 2, 2026 |
| rsync · almalinux 9 | 3.2.5-3.el9_7.2 | ALSA-2026:6390 | Apr 1, 2026 |
| rsync · amzn 2023 | 3.4.0-1.amzn2023.0.3 | ALAS2023-2025-1302 | Dec 8, 2025 |
| rsync · ol 10 | 0:3.4.1-2.el10_1.2 | ELSA-2026-6825 | Apr 7, 2026 |
| rsync · ol 8 | 0:3.1.3-24.el8_10 | ELSA-2026-6436 | Apr 2, 2026 |
| rsync · ol 9 | 0:3.2.5-3.el9_7.2 | ELSA-2026-6390 | Apr 1, 2026 |
| rsync · opensuse-leap 15.6 | 3.2.7-150600.3.14.1 | SUSE-SU-2025:4511-1 | Dec 23, 2025 |
| rsync · rocky 10 | 0:3.4.1-2.el10_1.2 | RLSA-2026:6825 | Apr 9, 2026 |
| rsync · rocky 8 | 0:3.1.3-24.el8_10 | RLSA-2026:6436 | Apr 9, 2026 |
| rsync · rocky 9 | 0:3.2.5-3.el9_7.2 | RLSA-2026:6390 | Apr 7, 2026 |
| rsync · sles 15.7 | 3.2.7-150600.3.14.1 | SUSE-SU-2025:4511-1 | Dec 23, 2025 |
| rsync · sles 16.0 | 3.4.1-160000.4.1 | SUSE-SU-2026:22015-1 | Jun 2, 2026 |
| rsync-daemon · RHEL 8 | 0:3.1.3-24.el8_10 | RHSA-2026:6436 | Apr 15, 2026 |
| rsync-daemon · RHEL 9 | 0:3.2.5-3.el9_7.2 | RHSA-2026:6390 | Apr 15, 2026 |
| rsync-daemon · almalinux 10 | 3.4.1-2.el10_1.2 | ALSA-2026:6825 | Apr 7, 2026 |
| rsync-daemon · almalinux 8 | 3.1.3-24.el8_10 | ALSA-2026:6436 | Apr 2, 2026 |
| rsync-daemon · almalinux 9 | 3.2.5-3.el9_7.2 | ALSA-2026:6390 | Apr 1, 2026 |
| rsync-daemon · amzn 2023 | 3.4.0-1.amzn2023.0.3 | ALAS2023-2025-1302 | Dec 8, 2025 |
| rsync-daemon · ol 10 | 0:3.4.1-2.el10_1.2 | ELSA-2026-6825 | Apr 7, 2026 |
| rsync-daemon · ol 8 | 0:3.1.3-24.el8_10 | ELSA-2026-6436 | Apr 2, 2026 |
| rsync-daemon · ol 9 | 0:3.2.5-3.el9_7.2 | ELSA-2026-6390 | Apr 1, 2026 |
| rsync-debuginfo · amzn 2023 | 3.4.0-1.amzn2023.0.3 | ALAS2023-2025-1302 | Dec 8, 2025 |
| rsync-debugsource · amzn 2023 | 3.4.0-1.amzn2023.0.3 | ALAS2023-2025-1302 | Dec 8, 2025 |
| rsync-rrsync · RHEL 9 | 0:3.2.5-3.el9_7.2 | RHSA-2026:6390 | Apr 15, 2026 |
| rsync-rrsync · almalinux 10 | 3.4.1-2.el10_1.2 | ALSA-2026:6825 | Apr 7, 2026 |
| rsync-rrsync · almalinux 9 | 3.2.5-3.el9_7.2 | ALSA-2026:6390 | Apr 1, 2026 |
| rsync-rrsync · ol 10 | 0:3.4.1-2.el10_1.2 | ELSA-2026-6825 | Apr 7, 2026 |
| rsync-rrsync · ol 9 | 0:3.2.5-3.el9_7.2 | ELSA-2026-6390 | Apr 1, 2026 |
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