{"id":"CVE-2026-116739","revision":"b5d1c4a53d494748a57e3dbe0747610f","records":[{"revision":"b5d1c4a53d494748a57e3dbe0747610f","observedAt":"2026-10-26T22:35:30.956+00:00","statement":{"source":"cve-program","id":"CVE-2026-116739","aliases":[],"title":"VMime through 0.9.2 Uninitialized Stack Memory Disclosure via uuencode Decoder","description":"VMime through 0.9.2 contains an information disclosure vulnerability in the uuEncoder::decode function that writes uninitialized stack memory into decoded output for over-long lines. Attackers can send a crafted uuencode or x-uuencode MIME part with a large line length byte to leak up to 15 bytes of stack contents per line in decoded attachments.","state":0,"publishedAt":"2026-10-26T21:52:38.496+00:00","modifiedAt":"2026-10-26T21:52:38.496+00:00","affected":[{"ecosystem":"Vendor product","name":"vmime","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"kisli\",\n                    \"product\": \"vmime\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"0.9.2\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/kisli/vmime\",\n                    \"repo\": \"https://github.com/kisli/vmime\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/kisli/vmime/pull/363","https://github.com/kisli/vmime/commit/e85925eddc638939f0eeb7ee55ec047d04a760d8","https://github.com/kisli/vmime","https://github.com/kisli/vmime/blob/v0.9.2/src/vmime/utility/encoder/uuEncoder.cpp#L311","https://hackmd.io/@haindpwn/vmime-uuencode-decoder-oob-write","https://www.vulncheck.com/advisories/vmime-through-0.9.2-uninitialized-stack-memory-disclosure-via-uuencode-decoder"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116739","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116739","identifiers":["CVE-2026-116739"]},"retained":false,"historicalAffected":[]}],"coverage":[]}