GHSA-hjxh-c649-gvhrMediumCVSS 6.1
ytnef through 2.1.2 contains a heap out-of-bounds read vulnerability in DecompressRTF() in lib...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-111145
- https://github.com/Yeraze/ytnef/issues/112
- https://github.com/Yeraze/ytnef
- https://github.com/Yeraze/ytnef/blob/d9f089144414d3b0912c29ab96f8f1c591d00319/lib/ytnef.c#L1554-L1563
- https://hackmd.io/@haind-pwn/ytnef-decompressrtf-oob-read
- https://www.vulncheck.com/advisories/ytnef-through-2.1.2-heap-out-of-bounds-read-via-decompressrtf
- https://github.com/advisories/GHSA-hjxh-c649-gvhr