Andrei Nigmatulin discovered a buffer overflow in the PSD
image-decoding module of ImageMagick, a commonly used image
manipulation library. Remote exploitation with a carefully crafted
image could lead to the execution of arbitrary code.
For the stable distribution (woody) this problem has been fixed in
version 5.4.4.5-1woody5.
For the unstable distribution (sid) this problem has been fixed in
version 6.0.6.2-2.
We recommend that you upgrade your imagemagick packages.