{"id":"CVE-2026-3503","state":"PUBLISHED","title":"Fault injection attack with ML-DSA and ML-KEM on ARM","description":"Protection mechanism failure in wolfCrypt post-quantum implementations (ML-KEM and ML-DSA) in wolfSSL on ARM Cortex-M microcontrollers allows a physical attacker to compromise key material and/or cryptographic outcomes via induced transient faults that corrupt or redirect seed/pointer values during Keccak-based expansion.\n\n\n\n\nThis issue affects wolfSSL (wolfCrypt): commit hash d86575c766e6e67ef93545fa69c04d6eb49400c6.","publishedAt":"2026-03-19T18:12:26.909Z","updatedAt":"2026-03-19T19:24:36.198Z","severity":{"score":4.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N/U:Amber","source":"wolfSSL"},"assigner":"wolfSSL","products":["wolfSSL Inc. wolfSSL (wolfCrypt)"],"affected":[{"vendor":"wolfSSL Inc.","product":"wolfSSL (wolfCrypt)","packageName":"wolfssl","defaultStatus":"affected","versions":[{"version":"5.8.2","status":"affected","lessThan":"5.9.0","versionType":"semver"}],"platforms":["ARM"],"collectionURL":"https://github.com/wolfSSL/wolfssl","repo":"https://github.com/wolfSSL/wolfssl","modules":["wolfCrypt","ML-KEM","ML-DSA"]}],"references":["https://github.com/wolfSSL/wolfssl/pull/9734"],"weaknesses":["CWE-335"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/3xxx/CVE-2026-3503.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3503","state":"PUBLISHED","datePublished":"2026-03-19T18:12:26.909Z","dateUpdated":"2026-03-19T19:24:36.198Z","assignerShortName":"wolfSSL","assignerOrgId":"50d2cd11-d01a-48ed-9441-5bfce9d63b27","dateReserved":"2026-03-03T22:56:47.976Z"},"containers":{"cna":{"title":"Fault injection attack with ML-DSA and ML-KEM on ARM","descriptions":[{"lang":"en","value":"Protection mechanism failure in wolfCrypt post-quantum implementations (ML-KEM and ML-DSA) in wolfSSL on ARM Cortex-M microcontrollers allows a physical attacker to compromise key material and/or cryptographic outcomes via induced transient faults that corrupt or redirect seed/pointer values during Keccak-based expansion.\n\n\n\n\nThis issue affects wolfSSL (wolfCrypt): commit hash d86575c766e6e67ef93545fa69c04d6eb49400c6."}],"affected":[{"vendor":"wolfSSL Inc.","product":"wolfSSL (wolfCrypt)","packageName":"wolfssl","defaultStatus":"affected","versions":[{"version":"5.8.2","status":"affected","lessThan":"5.9.0","versionType":"semver"}],"platforms":["ARM"],"collectionURL":"https://github.com/wolfSSL/wolfssl","repo":"https://github.com/wolfSSL/wolfssl","modules":["wolfCrypt","ML-KEM","ML-DSA"]}],"references":[{"url":"https://github.com/wolfSSL/wolfssl/pull/9734","tags":["x_refsource_CONFIRM"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"PHYSICAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"AMBER","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.3,"vectorString":"CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N/U:Amber"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-335","lang":"en","description":"CWE-335 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)","type":"CWE"}]}],"providerMetadata":{"shortName":"wolfSSL","orgId":"50d2cd11-d01a-48ed-9441-5bfce9d63b27","dateUpdated":"2026-03-19T18:12:26.909Z"},"impacts":[{"capecId":"CAPEC-624","descriptions":[{"lang":"en","value":"CAPEC-624 Hardware Fault Injection"}]}],"credits":[{"lang":"en","value":"Hariprasad Kelassery Valsaraj of Temasek Laboratories","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-19T19:24:29.505763Z","id":"CVE-2026-3503","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-19T19:24:36.198Z"}}]}}}