CVE-2013-0792
Mozilla Firefox before 20.0 and SeaMonkey before 2.17, when gfx.color_management.enablev4 is used, do not properly handle color profiles during PNG rendering, which allows remote attackers to obtain sensitive information from process memory or cause a denial of service (memory corruption) via a grayscale PNG image.
Date published : 2013-04-03
http://www.mozilla.org/security/announce/2013/mfsa2013-39.html