CVE-2026-43606: CWE-208 Observable Timing Discrepancy in AMD Vitis™ Libraries - Security Module
CVE-2026-43606 is a high-severity vulnerability in the AMD Vitis™ Libraries Security Module, specifically in the ECDSA secp256k1 component. It involves an observable timing discrepancy that could allow attackers with local access to perform timing or electromagnetic emanation analysis. This may lead to exposure of private cryptographic keys, impacting confidentiality and integrity. No patch or official remediation has been confirmed yet.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-43606) concerns an observable timing discrepancy in the AMD Vitis™ Libraries' ECDSA secp256k1 component. Attackers with local access might exploit this timing side-channel or electromagnetic emanation to extract private cryptographic keys. The vulnerability is classified under CWE-208 (Observable Timing Discrepancy). The CVSS 4.0 base score is 7.7, indicating high severity, with attack vector local, low attack complexity, and high impact on confidentiality and integrity. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation could lead to disclosure of private cryptographic keys used by the affected AMD Vitis™ Libraries component, severely compromising confidentiality and integrity of cryptographic operations. This could undermine the security guarantees of systems relying on these keys.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, limit local access to systems using the vulnerable AMD Vitis™ Libraries component to trusted users only.
CVE-2026-43606: CWE-208 Observable Timing Discrepancy in AMD Vitis™ Libraries - Security Module
Description
CVE-2026-43606 is a high-severity vulnerability in the AMD Vitis™ Libraries Security Module, specifically in the ECDSA secp256k1 component. It involves an observable timing discrepancy that could allow attackers with local access to perform timing or electromagnetic emanation analysis. This may lead to exposure of private cryptographic keys, impacting confidentiality and integrity. No patch or official remediation has been confirmed yet.
CVSS v4.0
Score 7.7high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-43606) concerns an observable timing discrepancy in the AMD Vitis™ Libraries' ECDSA secp256k1 component. Attackers with local access might exploit this timing side-channel or electromagnetic emanation to extract private cryptographic keys. The vulnerability is classified under CWE-208 (Observable Timing Discrepancy). The CVSS 4.0 base score is 7.7, indicating high severity, with attack vector local, low attack complexity, and high impact on confidentiality and integrity. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation could lead to disclosure of private cryptographic keys used by the affected AMD Vitis™ Libraries component, severely compromising confidentiality and integrity of cryptographic operations. This could undermine the security guarantees of systems relying on these keys.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, limit local access to systems using the vulnerable AMD Vitis™ Libraries component to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- AMD
- Date Reserved
- 2026-05-01T18:15:57.425Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7b57f3bf8831d5391555c8
Added to database: 08/11/2026, 17:12:19 UTC
Last enriched: 08/11/2026, 23:28:52 UTC
Last updated: 08/11/2026, 23:28:52 UTC
Views: 2
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