{"id":"CVE-2026-111145","published":"2026-10-15T19:17:28.873","lastModified":"2026-10-16T18:25:45.343","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.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwes":["CWE-125"],"vendors":[],"products":[],"references":[{"url":"https://github.com/Yeraze/ytnef","tags":[]},{"url":"https://github.com/Yeraze/ytnef/blob/d9f089144414d3b0912c29ab96f8f1c591d00319/lib/ytnef.c#L1554-L1563","tags":[]},{"url":"https://github.com/Yeraze/ytnef/issues/112","tags":[]},{"url":"https://hackmd.io/@haind-pwn/ytnef-decompressrtf-oob-read","tags":[]},{"url":"https://www.vulncheck.com/advisories/ytnef-through-2.1.2-heap-out-of-bounds-read-via-decompressrtf","tags":[]}],"exploitRefs":[{"url":"https://github.com/Yeraze/ytnef","tags":[]},{"url":"https://github.com/Yeraze/ytnef/blob/d9f089144414d3b0912c29ab96f8f1c591d00319/lib/ytnef.c#L1554-L1563","tags":[]},{"url":"https://github.com/Yeraze/ytnef/issues/112","tags":[]}],"hasPoc":true,"ai":null}