CVE-2026-5704

tar: A flaw was found in tar

CVE-2026-5704 is fixed in 2 products on 1 platform, first by tar 1.29b-2ubuntu0.4+esm4, released April 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.6
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0047
41st percentile

A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection.

Where it's fixed

ProductFixed inFixReleased
Linux
tar · RHEL 10 1.35-13.el10_2 RHSA-2026:61586 Jul 31, 2026
tar · RHEL 8 2:1.30-13.el8_10 RHSA-2026:70390 Sep 23, 2026
tar · RHEL 9 2:1.34-13.el9_8 RHSA-2026:61581 Sep 13, 2026
tar · Ubuntu 18.04.6 LTS (bionic) 1.29b-2ubuntu0.4+esm4 tar 1.29b-2ubuntu0.4+esm4 Apr 6, 2026
tar · Ubuntu 20.04 LTS (focal) 1.30+dfsg-7ubuntu0.20.04.4+esm3 tar 1.30+dfsg-7ubuntu0.20.04.4+esm3 Apr 6, 2026
tar · Ubuntu 22.04.1 LTS (jammy) 1.34+dfsg-1ubuntu0.1.22.04.6 tar 1.34+dfsg-1ubuntu0.1.22.04.6 Apr 6, 2026
tar · Ubuntu 24.04.5 LTS (noble) 1.35+dfsg-3ubuntu0.4 tar 1.35+dfsg-3ubuntu0.4 Apr 6, 2026
tar · Ubuntu 26.04.1 LTS (resolute) 1.35+dfsg-4ubuntu0.4 tar 1.35+dfsg-4ubuntu0.4 Apr 6, 2026
tar · almalinux 10 2:1.35-13.el10_2 ALSA-2026:61586 Aug 31, 2026
tar · almalinux 8 2:1.30-13.el8_10 ALSA-2026:70390 Sep 22, 2026
tar · almalinux 9 2:1.34-13.el9_8 ALSA-2026:61581 Aug 31, 2026
tar · ol 10 2:1.35-13.el10_2 ELSA-2026-61586-0 Sep 1, 2026
tar · ol 8 2:1.30-13.el8_10 ELSA-2026-70390 Sep 23, 2026
tar · ol 9 2:1.34-13.el9_8 ELSA-2026-61581-0 Sep 1, 2026
tar · opensuse-leap 16.0 1.35-160000.4.1 OPENSUSE-SU-2026:21070-1 Jun 26, 2026
tar · rocky 10 2:1.35-13.el10_2 RLSA-2026:61586 Sep 11, 2026
tar · rocky 8 2:1.30-13.el8_10 RLSA-2026:70390 Sep 24, 2026
tar · rocky 9 2:1.34-13.el9_8 RLSA-2026:61581 Sep 1, 2026
tar · sles 15.6 1.34-150000.3.42.1 SUSE-SU-2026:2714-1 Jun 30, 2026
tar · sles 15.7 1.34-150000.3.42.1 SUSE-SU-2026:2714-1 Jun 30, 2026
tar · sles 16.0 1.35-160000.4.1 SUSE-SU-2026:22377-1 Jun 26, 2026
tar-scripts · Ubuntu 18.04.6 LTS (bionic) 1.29b-2ubuntu0.4+esm4 tar-scripts 1.29b-2ubuntu0.4+esm4 Apr 6, 2026
tar-scripts · Ubuntu 20.04 LTS (focal) 1.30+dfsg-7ubuntu0.20.04.4+esm3 tar-scripts 1.30+dfsg-7ubuntu0.20.04.4+esm3 Apr 6, 2026
tar-scripts · Ubuntu 22.04.1 LTS (jammy) 1.34+dfsg-1ubuntu0.1.22.04.6 tar-scripts 1.34+dfsg-1ubuntu0.1.22.04.6 Apr 6, 2026
tar-scripts · Ubuntu 24.04.5 LTS (noble) 1.35+dfsg-3ubuntu0.4 tar-scripts 1.35+dfsg-3ubuntu0.4 Apr 6, 2026
tar-scripts · Ubuntu 26.04.1 LTS (resolute) 1.35+dfsg-4ubuntu0.4 tar-scripts 1.35+dfsg-4ubuntu0.4 Apr 6, 2026

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