CVE-2022-47630: Trustedfirmware Trusted Firmware-A

High severity, CVSS 7.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.

Affected products

• Trustedfirmware Trusted Firmware-A: from 1.2, up to and including 2.8

Published 2023-01-16. Last modified 2026-06-17.