CVE-2007-0455: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 12% chance of exploitation in the next 30 days.

Buffer overflow in the gdImageStringFTEx function in gdft.c in GD Graphics Library 2.0.33 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted string with a JIS encoded font.

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 6.10 only; version 7.04 only
• Fedoraproject Fedora: version 13 only; version 14 only
• Gd Graphics Library Project Gd Graphics Library: up to and including 2.0.33
• PHP PHP: from 4.4.0, before 4.4.7 (fixed in 4.4.7)
• Red Hat Enterprise Linux Desktop: version 3.0 only; version 4.0 only
• Red Hat Enterprise Linux Server: version 3.0 only; version 4.0 only
• Red Hat Enterprise Linux Workstation: version 3.0 only; version 4.0 only

Published 2007-01-30. Last modified 2026-06-16.