CVE-2026-116738

HighCVSS 8.8/10Last modified Oct 27, 2026

Description

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Vendor	Product	Versions
kisli	vmime	<= 0.9.2

References

Timeline

Published: Oct 26, 2026
Last modified: Oct 27, 2026
NVD status: Deferred

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