Multiple stack-based buffer overflows in Imlib 2 (aka imlib2) 1.4.0 allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via (1) a PNM image with a crafted header, related to the load function in src/modules/loaders/loader_pnm.c; or (2) a crafted XPM image, related to the load function in src/modules/loader_xpm.c.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-2426)