CVE-2016-5767: Libgd

High severity, CVSS 8.8. EPSS: 6.7% chance of exploitation in the next 30 days.

Integer overflow in the gdImageCreate function in gd.c in the GD Graphics Library (aka libgd) before 2.0.34RC1, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted image dimensions.

Affected products

• Libgd Libgd: up to and including 2.0.33

Published 2016-08-07. Last modified 2026-06-17.