CVE-2026-111678
Antiword through 0.37 Stack Out-of-Bounds Read via prop8.c FKP Parsing
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | adri van os |
| Product | antiword |
| Published | Oct 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
Adri van Os / antiword
0 ≤ 0.37
References
hackmd.io: https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read github.com: https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L997-L1022 github.com: https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L1461-L1474 vulncheck.com: https://www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-prop8-c-fkp-parsing
Credits
HaiND (github.com/Haind03)