{"id":"CVE-2026-116739","published":"2026-10-26T22:16:58.243","lastModified":"2026-10-26T22:16:58.243","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.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cwes":["CWE-908"],"vendors":[],"products":[],"references":[{"url":"https://github.com/kisli/vmime","tags":[]},{"url":"https://github.com/kisli/vmime/blob/v0.9.2/src/vmime/utility/encoder/uuEncoder.cpp#L311","tags":[]},{"url":"https://github.com/kisli/vmime/commit/e85925eddc638939f0eeb7ee55ec047d04a760d8","tags":[]},{"url":"https://github.com/kisli/vmime/pull/363","tags":[]},{"url":"https://hackmd.io/@haindpwn/vmime-uuencode-decoder-oob-write","tags":[]},{"url":"https://www.vulncheck.com/advisories/vmime-through-0.9.2-uninitialized-stack-memory-disclosure-via-uuencode-decoder","tags":[]}],"exploitRefs":[{"url":"https://github.com/kisli/vmime","tags":[]},{"url":"https://github.com/kisli/vmime/blob/v0.9.2/src/vmime/utility/encoder/uuEncoder.cpp#L311","tags":[]},{"url":"https://github.com/kisli/vmime/commit/e85925eddc638939f0eeb7ee55ec047d04a760d8","tags":[]},{"url":"https://github.com/kisli/vmime/pull/363","tags":[]}],"hasPoc":true,"ai":null}