ytnef through 2.1.2 contains a heap out-of-bounds read vulnerability in DecompressRTF() in lib/ytnef.c that never validates uncompressedSize for uncompressed RTF streams. Attackers can supply a crafted winmail.dat TNEF attachment with a malicious PT_BINARY MAPI property to crash ytnefprint or libytnef callers and leak adjacent heap memory.
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Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 15 Oct 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | ytnef through 2.1.2 contains a heap out-of-bounds read vulnerability in DecompressRTF() in lib/ytnef.c that never validates uncompressedSize for uncompressed RTF streams. Attackers can supply a crafted winmail.dat TNEF attachment with a malicious PT_BINARY MAPI property to crash ytnefprint or libytnef callers and leak adjacent heap memory. | |
| Title | ytnef through 2.1.2 Heap Out-of-Bounds Read via DecompressRTF | |
| First Time appeared |
Ytnef Project
Ytnef Project ytnef |
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| Weaknesses | CWE-125 | |
| CPEs | cpe:2.3:a:ytnef_project:ytnef:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Ytnef Project
Ytnef Project ytnef |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-15T18:57:36.084Z
Reserved: 2026-10-15T17:03:58.228Z
Link: CVE-2026-111145
No data.
Status : Deferred
Published: 2026-10-15T19:17:28.873
Modified: 2026-10-16T18:25:45.343
Link: CVE-2026-111145
No data.
OpenCVE Enrichment
Updated: 2026-10-16T17:15:14Z
Weaknesses