Debian Security Advisory
DLA-1651-1 libgd2 -- LTS security update
- Date Reported:
- 30 Jan 2019
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2018-5711, CVE-2018-1000222, CVE-2019-6977, CVE-2019-6978.
- More information:
Several issues in libgd2, a graphics library that allows to quickly draw images, have been found.
A potential double free in gdImage*Ptr() has been reported by Solmaz Salimi (aka. Rooney).
Simon Scannell found a heap-based buffer overflow, exploitable with crafted image data.
A new double free vulnerabilities in gdImageBmpPtr() has been reported by Solmaz Salimi (aka. Rooney).
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