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Debian Security Advisory DSA-4084-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
January 12, 2018                      https://www.debian.org/security/faq
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Package        : gifsicle
CVE ID         : CVE-2017-1000421

It was discovered that gifsicle, a tool for manipulating GIF image
files, contained a flaw that could lead to arbitrary code execution.

For the oldstable distribution (jessie), this problem has been fixed
in version 1.86-1+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 1.88-3+deb9u1.

We recommend that you upgrade your gifsicle packages.

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

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
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