CVE-2023-26084: Arm AARCH64CRYPTOLIB

Low severity, CVSS 3.7. EPSS: 0.4% chance of exploitation in the next 30 days.

The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.

Affected products

• Arm AARCH64CRYPTOLIB: before 2023-02-20 (fixed in 2023-02-20)

Published 2023-03-15. Last modified 2026-06-17.