CVE-2026-111678
lowAntiword 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 a…
Vendor / product: Antiword Project — antiword
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.
CVSS
3.3
3.3 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-10-16 18:17
Modified: 2026-10-23 15:17
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-10-27 07:03 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
antiword_project / antiword ≤0.37
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read
Patch / mitigation: https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read
References
- https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#... disclosure@vulncheck.com
- https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#... disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-pr... disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:03 UTC · record ↗