CVE-2026-13465: EL3 Stack Buffer Overflow in FCS HKDF Request

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-24 · updated 2026-09-24
Weakness: CWE-121

Description

Stack-based buffer overflow vulnerability in Altera Trusted Firmware on HPS allows Exploitation of Improperly Configured or Implemented Memory Protections. This issue affects Trusted Firmware: through socfpga_v2.14.0.

Affected products

Altera Trusted Firmware: through socfpga_v2.14.0

References

https://www.altera.com/product-security/advisory/asa-0006

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