CVE-2016-2797: Mozilla Firefox

High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days.

The graphite2::TtfUtil::CmapSubtable12Lookup function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via a crafted Graphite smart font, a different vulnerability than CVE-2016-2801.

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; …
• Opensuse Leap: version 42.1 only
• Opensuse Opensuse: version 13.1 only; version 13.2 only
• Oracle Linux: version 5.0 only; version 6 only; version 7 only
• Sil GRAPHITE2: up to and including 1.3.5
• Suse Linux Enterprise: version 12.0 only

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