CVE-2026-116739
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
ProductKisli Vmime
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-908CWE-908
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kisli vmime | v ≤ 0.9.2 | — |
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