CVE 2006-4806
Multiple integer overflows in imlib2 allow user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted (1) ARGB (loader_argb.c), (2) PNG (loader_png.c), (3) LBM (loader_lbm.c), (4) JPEG (loader_jpeg.c), or (5) TIFF (loader_tiff.c) images.
See the 
CVE page on Mitre.org
for more details.
