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CVE-2026-111145

6.9 medium SSVC exploitation: poc Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → DeferredNVD modified 2026-10-16 18:25
  2. First seenCVSS 6.9NVD modified 2026-10-15 19:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5