Medium severity4.3NVD Advisory· Published Oct 26, 2026
CVE-2026-116739
CVE-2026-116739
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.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/kisli/vmime/blob/v0.9.2/src/vmime/utility/encoder/uuEncoder.cppnvd
- github.com/kisli/vmime/commit/e85925eddc638939f0eeb7ee55ec047d04a760d8nvd
- github.com/kisli/vmime/pull/363nvd
- hackmd.io/@haindpwn/vmime-uuencode-decoder-oob-writenvd
- www.vulncheck.com/advisories/vmime-through-0.9.2-uninitialized-stack-memory-disclosure-via-uuencode-decodernvd
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