Debian Security Advisory DSA 2439-1 (libpng - buffer overflow)

Summary
Glenn-Randers Pehrson discovered an buffer overflow in the libpng PNG library, which could lead to the execution of arbitrary code if a malformed image is processed.
Solution
For the stable distribution (squeeze), this problem has been fixed in version 1.2.44-1+squeeze3. Packages for i386 are not yet available, but will be provided shortly. For the unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your libpng packages.
Insight
libpng is a library implementing an interface for reading and writing PNG (Portable Network Graphics) format files.
Affected
libpng on Debian Linux
Detection
This check tests the installed software version using the apt package manager.
References