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[SECURITY] [DSA 3938-1] libgd2 security update

Posted on 12 August 2017
Debian Security Advisory

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Debian Security Advisory DSA-3938-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
August 12, 2017 https://www.debian.org/security/faq
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Package : libgd2
CVE ID : CVE-2017-7890
Debian Bug : 869263

Matviy Kotoniy reported that the gdImageCreateFromGifCtx() function used
to load images from GIF format files in libgd2, a library for
programmatic graphics creation and manipulation, does not zero stack
allocated color map buffers before their use, which may result in
information disclosure if a specially crafted file is processed.

For the oldstable distribution (jessie), this problem has been fixed
in version 2.1.0-5+deb8u10.

For the stable distribution (stretch), this problem has been fixed in
version 2.2.4-2+deb9u1.

We recommend that you upgrade your libgd2 packages.

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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