CVE-2026-116738
highVMime 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 c…
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/kisli/vmime disclosure@vulncheck.com
- https://github.com/kisli/vmime/blob/v0.9.2/src/vmime/utility/encoder/uuEncoder.cpp#L185-L1... disclosure@vulncheck.com
- https://github.com/kisli/vmime/commit/e85925eddc638939f0eeb7ee55ec047d04a760d8 disclosure@vulncheck.com
- https://github.com/kisli/vmime/pull/363 disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/vmime-uuencode-decoder-oob-write disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/vmime-through-0.9.2-stack-based-buffer-overflow-via-u... disclosure@vulncheck.com