Log Message:
Security fix for CVE-2006-2906:

"The LZW decoding in the gdImageCreateFromGifPtr function in the Thomas
 Boutell graphics draw (GD) library (aka libgd) 2.0.33 allows remote
 attackers to cause a denial of service (CPU consumption) via malformed
 GIF data that causes an infinite loop."

Patch from Xavier Roche via Ubuntu.