Crafted oversized firmware image causes EL3 stack overflow during VAB authentication on Trusted Firmware.

published 2026-09-24 45 d ago modified 2026-09-24 45 d ago also EUVD-2026-85925

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 45 d ago (2026-09-24)

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.3	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
CNA	3.1	8.1	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
CNA	4.0	8.3	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Altera Trusted Firmware

Classification

Weakness

CWE-125 Out-of-bounds Read

References

altera.com /product-security/advisory/asa-0006

Sources

CVE List CVE-2026-58004
NVD CVE-2026-58004

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary