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Debian Security Advisory DSA-5122-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
April 18, 2022                        https://www.debian.org/security/faq
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Package        : gzip
CVE ID         : CVE-2022-1271
Debian Bug     : 1009168

cleemy desu wayo reported that incorrect handling of filenames by zgrep
in gzip, the GNU compression utilities, can result in overwrite of
arbitrary files or execution of arbitrary code if a file with a
specially crafted filename is processed.

For the oldstable distribution (buster), this problem has been fixed
in version 1.9-3+deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 1.10-4+deb11u1.

We recommend that you upgrade your gzip packages.

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

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

Mailing list: debian-security-announce@lists.debian.org