{"schema":"threatline.record/2","record":{"id":"CVE-2026-116738","aliases":[],"summary":"VMime through 0.9.2 Stack-Based Buffer Overflow via uuencode Decoder","details":"VMime through 0.9.2 contains an integer underflow in the uuEncoder::decode function that allows remote attackers to trigger a stack-based buffer overflow via crafted uuencoded MIME parts. Attackers can send an email with a uuencoded line whose length character is 'b' but is not a 'begin' line, corrupting stack memory to crash the application or potentially execute code.","categories":["Unclassified"],"product":"vmime","vendor":"kisli","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116738","source_modified_at":"2026-10-26T21:52:37.804Z","fetched_at":"2026-10-26T23:45:56.352924Z","product":"vmime","vendor":"kisli","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"0.9.2"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T21:52:37.804Z","modified_at":"2026-10-26T21:52:37.804Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116738","fetched_at":"2026-10-26T23:45:56.352924Z","source_modified_at":"2026-10-26T21:52:37.804Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/kisli/vmime/pull/363","tags":["issue-tracking","patch"]},{"source":"CVE List","url":"https://github.com/kisli/vmime/commit/e85925eddc638939f0eeb7ee55ec047d04a760d8","tags":["patch"]},{"source":"CVE List","url":"https://github.com/kisli/vmime","tags":["product"]},{"source":"CVE List","url":"https://github.com/kisli/vmime/blob/v0.9.2/src/vmime/utility/encoder/uuEncoder.cpp#L185-L190","tags":["technical-description"]},{"source":"CVE List","url":"https://hackmd.io/@haindpwn/vmime-uuencode-decoder-oob-write","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/vmime-through-0.9.2-stack-based-buffer-overflow-via-uuencode-decoder","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T21:52:37.804Z","content_hash":"b3d42fea54f69806be7169e8b2893add41faeade8415520f89e8d5a07ae070ab"}}