CVE-2026-111145 — ytnef through 2.1.2 Heap Out-of-Bounds Read via DecompressRTF
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. Attack…
Published: 2026-10-15 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7