CVE-2007-2756: Libgd

Medium severity, CVSS 4.3. EPSS: 4.3% chance of exploitation in the next 30 days.

The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.

Affected products

• Libgd Libgd: version 2.0.34 only

Published 2007-05-18. Last modified 2026-06-16.