CVE-2026-43620
Rsync < 3.4.3 Out-of-Bounds Array Read via recv_files()
CVE-2026-43620 is fixed in 4 products on 1 platform, first by rsync 3.1.2-2.1ubuntu1.6+esm3, released May 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0043
37th percentile
Security update for rsync
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| rsync · Debian 12.15 (bookworm) | 3.2.7-1+deb12u5 | DEBIAN-CVE-2026-43620 | May 27, 2026 |
| rsync · Debian 13.5 (trixie) | 3.4.1+ds1-5+deb13u3 | DEBIAN-CVE-2026-43620 | May 27, 2026 |
| rsync · Debian 14 | 3.4.3+ds1-1 | DEBIAN-CVE-2026-43620 | May 27, 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+ds1-7ubuntu0.2 | rsync 3.4.1+ds1-7ubuntu0.2 | May 19, 2026 |
| rsync · amzn 2023 | 3.5.1-1.amzn2023.0.1 | ALAS2023-2026-3131 | Sep 28, 2026 |
| rsync · opensuse-leap 16.0 | 3.4.1-160000.6.1 | OPENSUSE-SU-2026:21650-1 | Aug 26, 2026 |
| rsync · sles 16.0 | 3.4.1-160000.6.1 | SUSE-SU-2026:23323-1 | Aug 26, 2026 |
| rsync-daemon · amzn 2023 | 3.5.1-1.amzn2023.0.1 | ALAS2023-2026-3131 | Sep 28, 2026 |
| rsync-debuginfo · amzn 2023 | 3.5.1-1.amzn2023.0.1 | ALAS2023-2026-3131 | Sep 28, 2026 |
| rsync-debugsource · amzn 2023 | 3.5.1-1.amzn2023.0.1 | ALAS2023-2026-3131 | Sep 28, 2026 |
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