RHSA-2026:61581 — Security Advisory

Red Hat Security Advisory: tar security, bug fix, and enhancement update

Loading…

Severity

Moderate

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · August 31, 2026

Updated · November 2, 2026

Topic

An update for tar is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The GNU tar program can save multiple files in an archive and restore files from an archive.

Security Fix(es):

tar: tar: Hidden file injection via crafted archives (CVE-2026-5704)
tar: tar: TOCTOU in incremental dumpdir 'X' rename handling allows restore path escape (CVE-2026-18477)
tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite (CVE-2026-18508)

Bug Fix(es) and Enhancement(s):

tar: --one-top-level with absolute path fails [rhel-9] (JIRA:RHEL-144021)

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.