CVE-2026-111677
Antiword through 0.37 Heap Out-of-Bounds Read via vGet8LstInfo in prop8.c
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | adri van os |
| Product | antiword |
| Published | Oct 16, 2026 |
| Last Updated | 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:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
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#L799-L825 vulncheck.com: https://www.vulncheck.com/advisories/antiword-through-0.37-heap-out-of-bounds-read-via-vget8lstinfo-in-prop8-c
Credits
HaiND (github.com/Haind03)