Several vulnerabilities were discovered in libgd2, a library for programmatic graphics creation and manipulation. A remote attacker can take advantage of these flaws to cause a denial-of-service against an application using the libgd2 library.

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Debian Security Advisory DSA-3587-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
May 27, 2016                          https://www.debian.org/security/faq
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Package        : libgd2
CVE ID         : CVE-2013-7456 CVE-2015-8874 CVE-2015-8877
Debian Bug     : 824627

Several vulnerabilities were discovered in libgd2, a library for
programmatic graphics creation and manipulation. A remote attacker can
take advantage of these flaws to cause a denial-of-service against an
application using the libgd2 library.

For the stable distribution (jessie), these problems have been fixed in
version 2.1.0-5+deb8u3.

For the unstable distribution (sid), these problems have been fixed in
version 2.2.1-1 or earlier.

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/

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