CVE-2026-111145EPSS p2.2%
CVE-2026-111145CVE-2026-111145
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.
Scoring
| CVSS | 6.1 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |
| EPSS | 0.13% probability of exploitation · percentile 2.2% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |