CVE-2022-26981: Apple iPadOS

High severity, CVSS 7.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).

Affected products

• Apple iPadOS: before 15.6 (fixed in 15.6)
• Apple iPhone OS: before 15.6 (fixed in 15.6)
• Apple macOS: from 12.0, before 12.5 (fixed in 12.5)
• Apple tvOS: before 15.6 (fixed in 15.6)
• Apple watchOS: before 8.7 (fixed in 8.7)
• Fedoraproject Fedora: version 36 only
• Liblouis Liblouis: up to and including 3.21.0

Published 2022-03-13. Last modified 2026-06-17.