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Debian LTS Advisory ([SECURITY] [DLA 1651-1] libgd2 security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
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.
Affected Software
Affected Software
libgd2 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For Debian 8 'Jessie', these problems have been fixed in version 2.1.0-5+deb8u12. We recommend that you upgrade your libgd2 packages.