CVE-2026-111146

MediumCVSS 6.1/10Last modified Oct 16, 2026

Description

ytnef through 2.1.2 contains a heap out-of-bounds read vulnerability in MAPIPrint() that allows attackers to read past heap allocations by supplying compressed RTF properties. Attackers can deliver a crafted winmail.dat whose decompressed RTF lacks a NUL terminator, causing printf to over-read, crashing ytnefprint and leaking adjacent heap bytes.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Weakness enumeration

CWE-125

Affected software

VendorProductVersions
Yerazeytnef<= 2.1.2

References

Timeline

Published
Oct 15, 2026
Last modified
Oct 16, 2026
NVD status
Deferred

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CVE-2026-111146: Medium severity, CVSS 6.1 | Vulnix