CVE-2012-1127: FreeType

High severity, CVSS 9.3. EPSS: 3.8% chance of exploitation in the next 30 days.

FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service (invalid heap read operation and memory corruption) or possibly execute arbitrary code via crafted glyph or bitmap data in a BDF font.

Affected products

• FreeType FreeType: up to and including 2.4.8; version 1.3.1 only; version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; …
• Mozilla Firefox Mobile: up to and including 10.0.3; version 1.0 only; version 4.0 only; version 5.0 only; version 6.0 only; version 6.0.1 only; …

Published 2012-04-25. Last modified 2026-06-16.