CVE-2009-0040

The PNG reference library (aka libpng) before 1.0.43, and 1.2.x before 1.2.35, as used in pngcrush and other applications, allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PNG file that triggers a free of an uninitialized pointer in (1) the png_read_png function, (2) pCAL chunk handling, or (3) setup of 16-bit gamma tables.

Affected products

Red Hat, Suse, Libpng

Libpng

< 1.0.43, 1.2.35

Fix

Available

CVSS 2.0

6.8 MEDIUM

EPSS

4.8% (91th percentile)

Weakness

CWE-824

NVD status

Modified

Published

2009-02-22