CVE-2026-58004 Crafted oversized firmware image causes EL3 stack overflow during VAB authentication on Trusted Firmware.
Crafted oversized firmware images cause stack overflows in Altera Trusted Firmware, enabling privilege escalation and potential code execution.
- 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-2026-58004?
CVE-2026-58004 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-125
Which versions are affected by CVE-2026-58004?
How do I fix CVE-2026-58004?
No fix has been published for CVE-2026-58004 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-2026-58004 being exploited?
There is no known exploitation of CVE-2026-58004 in the wild and no public exploit code.
Sources
Also known as GHSA-4g6r-fwpq-m2vw.