RHSA-2023:2898 — Security Advisory

Red Hat Security Advisory: libtar security update

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Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · May 16, 2023

Updated · June 26, 2026

Topic

An update for libtar is now available for Red Hat Enterprise Linux 8.

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 libtar packages contain a C library for manipulating tar archives. The library supports both the strict POSIX tar format and many of the commonly used GNU extensions.

Security Fix(es):

  • libtar: out-of-bounds read in gnu_longlink (CVE-2021-33643)

  • libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)

  • libtar: memory leak found in th_read() function (CVE-2021-33645)

  • libtar: memory leak found in th_read() function (CVE-2021-33646)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.8 Release Notes linked from the References section.

Related CVEs

RHSA-2023:2898 — Red Hat Security Advisory: libtar security update | PulseLinux