CVE-2012-1499: Uclouvain Openjpeg

High severity, CVSS 9.3. EPSS: 5.1% chance of exploitation in the next 30 days.

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."

Affected products

• Uclouvain Openjpeg: up to and including 1.4; version 1.3 only

Published 2012-04-11. Last modified 2026-06-16.