CVE-2011-3328
The png_handle_cHRM function in pngrutil.c in libpng 1.5.4, when color-correction support is enabled, allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a malformed PNG image containing a cHRM chunk associated with a certain zero value.
Date published : 2012-01-17
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html