CVE-2026-111146
6.1 MEDIUMpublic exploit availablePublished 2026-10-15 · Updated 2026-10-16
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weaknesses
CWE-125
Public exploit & PoC references
All references
- https://github.com/Yeraze/ytnef
- https://github.com/Yeraze/ytnef/blob/d9f089144414d3b0912c29ab96f8f1c591d00319/lib/ytnef.c#L1449-L1458
- https://github.com/Yeraze/ytnef/blob/d9f089144414d3b0912c29ab96f8f1c591d00319/lib/ytnef.c#L1605-L1614
- https://github.com/Yeraze/ytnef/issues/112
- https://hackmd.io/@haind-pwn/ytnef-decompressrtf-oob-read
- https://www.vulncheck.com/advisories/ytnef-through-2.1.2-heap-out-of-bounds-read-via-mapiprint-in-lib-ytnef-c
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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