CVE-2006-5793: Greg Roelofs Libpng

Low severity, CVSS 2.6. EPSS: 1.8% chance of exploitation in the next 30 days.

The sPLT chunk handling code (png_set_sPLT function in pngset.c) in libpng 1.0.6 through 1.2.12 uses a sizeof operator on the wrong data type, which allows context-dependent attackers to cause a denial of service (crash) via malformed sPLT chunks that trigger an out-of-bounds read.

Affected products

• Greg Roelofs Libpng: version 1.0.6 only; version 1.0.7 only; version 1.0.8 only; version 1.0.9 only; version 1.2.0 only; version 1.2.1 only; …

Published 2006-11-17. Last modified 2026-06-16.