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Debian LTS: DLA-4033-1 Critical Updates for libtar Memory Issues

debian lts
Calendar Grey January 28, 2025
Dist Debian Esm H88
Several security flaws in libtar have been addressed in Debian LTS DLA-4033-1. It's advisable to update libtar to ensure a safer setup.
Multiple vulnerabilities have been fixed in libtar, a library for manipulating tar archives
Topics%20covered

Topics Covered

security advisory debian memory leak out-of-bounds libtar

Summary

CVE-2021-33643

out-of-bounds read in gnu_longlink()

CVE-2021-33644

out-of-bounds read in gnu_longname()

CVE-2021-33645

memory leak in th_read()

CVE-2021-33646

memory leak in th_read()

For Debian 11 bullseye, these problems have been fixed in version
1.2.20-8+deb12u1~deb11u1.

We recommend that you upgrade your libtar packages.

For the detailed security status of libtar please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libtar

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: libtar
Version: 1.2.20-8+deb12u1~deb11u1
CVE ID: CVE-2021-33643 CVE-2021-33644 CVE-2021-33645 CVE-2021-33646

Topics%20covered

Topics Covered

security advisory debian memory leak out-of-bounds libtar

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