🛡️ ALSA-2023:2898 — libtar

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Moderate: libtar security update

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 AlmaLinux Release Notes linked from the References section.

Affected software

ALSA-2023:2898 is recorded against 1 package.

  • libtar (fixed in 1.2.20-17.el8)

Timeline and source

Published on 16 May 2023 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

access.redhat.com (Advisory)
access.redhat.com (Report)
access.redhat.com (Report)
access.redhat.com (Report)
access.redhat.com (Report)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)
errata.almalinux.org (Advisory)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2023-05-16
Updated 2026-08-12
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
libtar — 1.2.20-17.el8

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