CVE-2016-1969: Mozilla Firefox

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

The setAttr function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.6.1, allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via a crafted Graphite smart font.

Affected products

• Mozilla Firefox: up to and including 44.0.2; version 38.0 only; version 38.0.1 only; version 38.0.5 only; version 38.1.0 only; version 38.1.1 only; …
• Sil GRAPHITE2: up to and including 1.3.5

Published 2016-03-13. Last modified 2026-06-17.