XFree86 is a freely redistributable open-source implementation of
the X Window System, which is a client/server interface between
display hardware and the desktop environment.
Chris Evans has discovered multiple integer and stack overflow
vulnerabilities in the X Pixmap library, libXpm, which is a part of
the X Window System. These overflows can be exploited by openning a
malicious XPM file, which can crash applications that are dependent
It is recommended that all XFree86 users upgrade their packages.