CVE-2026-116739 | BDVDB-2026-396126 Detail
kislivmime
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.
Weaknesses#
- CWE-908 Use of Uninitialized Resource
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
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.