medium5.5
CVE-2026-111677
Antiword through 0.37 contains a heap out-of-bounds read vulnerability in vGet8LstInfo in prop8.c caused by an inverted bounds check on the PlcfLst record coun…
Impact
Antiword through 0.37 contains a heap out-of-bounds read vulnerability in vGet8LstInfo in prop8.c caused by an inverted bounds check on the PlcfLst record count. Attackers can supply a crafted Word 8 .doc file claiming up to 0xffff LSTF records in a tiny buffer, causing reads past the heap allocation that crash the process.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Antiword Project | Antiword | through 0.37 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L799-L825
- https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read
- https://www.vulncheck.com/advisories/antiword-through-0.37-heap-out-of-bounds-read-via-vget8lstinfo-in-prop8-c