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{"cveTags": [], "descriptions": [{"lang": "en", "value": "mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest."}], "id": "CVE-2026-43859", "lastModified": "2026-05-04T07:16:00.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-05-04T07:16:00.400", "references": [{"source": "cve@mitre.org", "url": "https://github.com/muttmua/mutt/commit/834c5a2ed0479e51e8662a31caed129f136f4805"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-158"}], "source": "cve@mitre.org", "type": "Primary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.3.2)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "mutt", "source": "cna", "vendor": "mutt"}, "product": "mutt", "vendor": "mutt"}], "created": "2026-05-04T07:30:40.197174+00:00", "title": "Potential Buffer Overflow in Mutt IMAP CRAM\u2011MD5 Authentication", "updated": "2026-05-04T08:00:09.081351+00:00", "vendors": ["mutt", "mutt$PRODUCT$mutt"]}