Debian Security Advisory

DLA-1505-1 zutils -- LTS security update

Date Reported:
15 Sep 2018
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 902936.
In Mitre's CVE dictionary: CVE-2018-1000637.
More information:

zutils version prior to version 1.8-pre2 contains a buffer overflow vulnerability in zcat which happened with some input files when the '-v, --show-nonprinting' option was used (or indirectly enabled). This can result in potential denial of service or arbitrary code execution. This attack appear is exploitable via the victim openning a crafted compressed file and has been fixed in 1.8-pre2.

For Debian 8 Jessie, this problem has been fixed in version 1.3-4+deb8u1.

We recommend that you upgrade your zutils packages.

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