RHSA-2023:2898 — Security Advisory
Red Hat Security Advisory: libtar security update
Severity
ModerateRed Hat Product Security
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)
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libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)
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libtar: memory leak found in th_read() function (CVE-2021-33645)
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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.