CVEvulnerability
CVE-2026-111677
6.8 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-10-16
- Last modified
- 2026-10-20
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.8 MEDIUM — CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-125
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 configurations
• antiword project antiword (<= 0.37)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L799-L825 Product
- https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read Exploit, Mitigation, Third Party Advisory
- https://www.vulncheck.com/advisories/antiword-through-0.37-heap-out-of-bounds-read-via-vget8lstinfo-in-prop8-c Third Party Advisory
- https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read Exploit, Mitigation, Third Party Advisory