CVE-2012-1499: openjpeg: Out-of heap-based buffer write by processing palette information in certain JPEG 2000 images

Severity: Critical

CVSS Score: 9.3

The JPEG 2000 codec (jp2.c) in OpenJPEG before 1.5 allows remote attackers to execute arbitrary code via a crafted palette index in a CMAP record of a JPEG image, which triggers memory corruption, aka "out-of heap-based buffer write."