{"id":"CVE-2026-43606","state":"PUBLISHED","title":"Observable Timing Discrepancy in the AMD Vitis Libraries ECDSA secp256k1 component could allow attackers with local access to potentially perform timing analysis or electromagnetic","description":"Observable Timing Discrepancy in the AMD Vitis Libraries ECDSA secp256k1 component could allow attackers with local access to potentially perform timing analysis or electromagnetic emanation attacks, resulting in high confidentiality and integrity impact due to the exposure of private cryptographic keys.","publishedAt":"2026-08-11T16:49:12.854Z","updatedAt":"2026-08-12T13:05:46.102Z","severity":{"score":7.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"AMD"},"assigner":"AMD","products":["AMD Vitis™  Libraries - Security Module","AMD Vitis™ Unified Installer for FPGAs & Adaptive SoCs in Windows"],"affected":[{"vendor":"AMD","product":"Vitis™  Libraries - Security Module","defaultStatus":"affected","versions":[{"version":"2026.1","status":"unaffected"}]},{"vendor":"AMD","product":"Vitis™ Unified Installer for FPGAs & Adaptive SoCs in Windows","defaultStatus":"affected","versions":[{"version":"2026.1","status":"unaffected"}]}],"references":["https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8015.html"],"weaknesses":["CWE-208"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43606.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43606","state":"PUBLISHED","datePublished":"2026-08-11T16:49:12.854Z","dateUpdated":"2026-08-12T13:05:46.102Z","assignerShortName":"AMD","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateReserved":"2026-05-01T18:15:57.425Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Observable Timing Discrepancy in the AMD Vitis Libraries ECDSA secp256k1 component could allow attackers with local access to potentially perform timing analysis or electromagnetic emanation attacks, resulting in high confidentiality and integrity impact due to the exposure of private cryptographic keys."}],"affected":[{"vendor":"AMD","product":"Vitis™  Libraries - Security Module","defaultStatus":"affected","versions":[{"version":"2026.1","status":"unaffected"}]},{"vendor":"AMD","product":"Vitis™ Unified Installer for FPGAs & Adaptive SoCs in Windows","defaultStatus":"affected","versions":[{"version":"2026.1","status":"unaffected"}]}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8015.html"}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","description":"CWE-208  Observable Timing Discrepancy","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"AMD","orgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateUpdated":"2026-08-11T16:49:12.854Z"},"datePublic":"2026-08-11T16:47:38.234Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"AMD PSIRT Automation 1.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T13:05:39.105857Z","id":"CVE-2026-43606","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-12T13:05:46.102Z"}}]}}}