[ CVE-2026-111678 · Published 16 Oct 2026 ]

Vulnerability in Adri van Os antiword

CVSS 3.3 EPSS <1%No fix listed yet

[ Description ]Official description

Antiword through 0.37 contains a stack out-of-bounds read vulnerability in vGet8PapInfo and vGet8ChrInfo in prop8.c because FKP run counts and grpprl offsets are not bounded. Attackers can supply a crafted .doc file with malicious FKP pages to read past the 512-byte stack buffer, crashing antiword or corrupting style parsing.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.cProduct
github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.cProduct
hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-readExploitMitigationThird Party Advisory
www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-prop8-c…Third Party Advisory