Vulnerability details
CVE-2026-13465
Altera Trusted Firmware
EL3 Stack Buffer Overflow in FCS HKDF Request
CVSS 4.0
8.3High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.3High | 4.0 | CVEProject cvelistV5 (CNA) (Altera) | 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 |
| 8.1High | 3.1 | CVEProject cvelistV5 (CNA) (Altera) | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Altera | Trusted Firmware | v ≤ socfpga_v2.14.0 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-24
- Last updated
- 2026-09-24
- State
- Published
- Assigner (CNA)
- Altera
Exploit prediction (EPSS)
0.11%
Probability of exploitation in 30 days
1.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-121Stack-based buffer overflow