ALSA-2026:61586: tar security update

ALSA-2026:61586, released August 31, 2026, fixes 3 CVEs in tar (version 2:1.35-13.el10_2). None of them is reported as exploited. Patch Radar priority: Routine.

Routine

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

5.6

Base score, 0 to 10

Highest EPSS

0.0047

41st percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 0
                                Routine 3

Fixed package versions

Product	Release	Fixed in
tar	almalinux 10	2:1.35-13.el10_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2026-5704	tar: A flaw was found in tar	5.6	0.0047	None reported
Routine	CVE-2026-18508	Tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite	5.6	0.0014	None reported
Routine	CVE-2026-18477	Tar: tar: toctou in incremental dumpdir 'x' rename handling allows restore path escape	5.6	0.0010	None reported

Also fixes CVE-2026-5704

RLSA-2026:70390
tar on rocky 8
RHSA-2026:70390
tar on RHEL 8
ELSA-2026-70390
tar on ol 8
ALSA-2026:70390
tar on almalinux 8
OPENSUSE-SU-2026:21070-1
tar on opensuse-leap 16.0
SUSE-SU-2026:22377-1
tar on sles 16.0
RHSA-2026:61581
tar on RHEL 9
RLSA-2026:61586
tar on rocky 10

Vendor advisory

https://osv.dev/vulnerability/ALSA-2026:61586

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