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

Debian LTS: DLA-1651-1: libgd2 security update

January 30, 2019
Several issues in libgd2, a graphics library that allows to quickly draw images, have been found

Summary

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



Severity
Package : libgd2
Version : 2.1.0-5+deb8u12
CVE ID : CVE-2018-5711 CVE-2018-1000222 CVE-2019-6977

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