Medium severity5.5NVD Advisory· Published Oct 16, 2026· Updated Oct 16, 2026

CVE-2026-111677

Description

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

Antiword Project/Antiwordllm-fuzzy
Range: <=0.37
Rsdoiel/antiwordllm-create
Range: <=0.37

Patches

Vulnerability mechanics

References

github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.cnvd
hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-readnvd
www.vulncheck.com/advisories/antiword-through-0.37-heap-out-of-bounds-read-via-vget8lstinfo-in-prop8-cnvd

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