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CVE-2026-58008

Unchecked HKDF key-size input in EL3 causes a stack buffer overflow

8.3 High

CVE-2026-58008 is a high vulnerability (CVSS 8.3) in Altera Trusted Firmware, published September 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.

What does this mean?
Severity
8.3 HighCVSS 4.0, CVE List
Exploit chance
0.11%EPSS, 1st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
High
Availability
High

Exploit likelihood

0.11%Unchanged since Sep 25, 2026
90%50%10%1%

Affected products

What each source reports

CVE List Score used8.3

Unchecked HKDF key-size input in EL3 causes a stack buffer overflow

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.

Record
CVE-2026-58008
CVSS 4.0
8.3 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
CVSS 3.1
8.1 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
Weakness
CWE-121
Updated
2026-11-02
EUVDEUVD-2026-859298.3

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.

Record
EUVD-2026-85929
CVSS 4.0
8.3 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-rp2j-q3xg-2qhf8.3

Stack-based buffer overflow vulnerability in Altera Trusted Firmware on HPS allows Exploitation...

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.

Record
GHSA-rp2j-q3xg-2qhf
CVSS 4.0
8.3 HighCVSS: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
CVSS 3.1
8.1 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
Weakness
CWE-121
Updated
2026-11-02
NVD8.3

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.

Record
CVE-2026-58008
CVSS 4.0
8.3 HighCVSS: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
CVSS 3.1
8.1 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
Weakness
CWE-121
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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