[SECURITY] [DLA 1651-1] libgd2 security update
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Package : libgd2
Version : 2.1.0-5+deb8u12
CVE ID : CVE-2018-5711 CVE-2018-1000222 CVE-2019-6977
CVE-2019-6978
Several issues in libgd2, a graphics library that allows to quickly draw
images, have been found.
CVE-2019-6977
A potential double free in gdImage*Ptr() has been reported by Solmaz
Salimi (aka. Rooney).
CVE-2019-6978
Simon Scannell found a heap-based buffer overflow, exploitable with
crafted image data.
CVE-2018-1000222
A new double free vulnerabilities in gdImageBmpPtr() has been
reported by Solmaz Salimi (aka. Rooney).
CVE-2018-5711
Due to an integer signedness error the GIF core parsing function can
enter an infinite loop. This will lead to a Denial of Service and
exhausted server resources.
For Debian 8 "Jessie", these problems have been fixed in version
2.1.0-5+deb8u12.
We recommend that you upgrade your libgd2 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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