CVE-2026-111145

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 PTBINARY MAPI property to crash ytnefprint or libytn...