CVE-2026-58005 Unvalidated SiP v2 mailbox pointers allow non-secure EL1 access to arbitrary physical addresses through EL3.
Unvalidated pointers in Altera Trusted Firmware allow non-secure EL1 access to arbitrary physical addresses via EL3, enabling privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58005?
CVE-2026-58005 is a high-severity memory corruption vulnerability in Altera Trusted Firmware, published on 24 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-bounds read vulnerability in Altera Trusted Firmware on HPS allows Privilege Escalation and Overflow Buffers.
This issue affects Trusted Firmware: through socfpga_v2.14.0.
Weakness: CWE-119
Which versions are affected by CVE-2026-58005?
How do I fix CVE-2026-58005?
No fix has been published for CVE-2026-58005 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-58005 being exploited?
There is no known exploitation of CVE-2026-58005 in the wild and no public exploit code.
Sources
Also known as GHSA-ffc9-cqrj-7hpp.