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Debian LTS Advisory DLA-4033-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                          Adrian Bunk
January 28, 2025                              https://wiki.debian.org/LTS
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Package        : libtar
Version        : 1.2.20-8+deb12u1~deb11u1
CVE ID         : CVE-2021-33643 CVE-2021-33644 CVE-2021-33645 CVE-2021-33646

Multiple vulnerabilities have been fixed in libtar,
a library for manipulating tar archives.

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/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