CVE-2008-6218: Libpng

High severity, CVSS 7.1. EPSS: 2.3% chance of exploitation in the next 30 days.

Memory leak in the png_handle_tEXt function in pngrutil.c in libpng before 1.2.33 rc02 and 1.4.0 beta36 allows context-dependent attackers to cause a denial of service (memory exhaustion) via a crafted PNG file.

Affected products

• Libpng Libpng: version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; …

Published 2009-02-20. Last modified 2026-06-16.