CVE-2026-111678

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-111678
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.

3.3 /10

CVSS v3 : LOW

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L1461-L1474 Product
https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L997-L1022 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-stack-out-of-bounds-read-via-prop8-c-fkp-parsing Third Party Advisory
https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read Exploit Mitigation Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:antiword_project:antiword:*:*:*:*:*:*:*:*
History

23 Oct 2026, 15:17

Type Values Removed Values Added
References () https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read - Exploit, Mitigation, Third Party Advisory () https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read - Exploit, Mitigation, Third Party Advisory

20 Oct 2026, 18:17

Type Values Removed Values Added
First Time Antiword Project
Antiword Project antiword
CPE cpe:2.3:a:antiword_project:antiword:*:*:*:*:*:*:*:*
References () https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L1461-L1474 - () https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L1461-L1474 - Product
References () https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L997-L1022 - () https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L997-L1022 - Product
References () https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read - () https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read - Exploit, Mitigation, Third Party Advisory
References () https://www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-prop8-c-fkp-parsing - () https://www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-prop8-c-fkp-parsing - Third Party Advisory

16 Oct 2026, 18:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-10-16 18:17

Updated : 2026-10-23 15:17

NVD link : CVE-2026-111678

Mitre link : CVE-2026-111678

CVE.ORG link : CVE-2026-111678

JSON object : View

Products Affected

antiword_project

  • antiword
CWE
CWE-125

Out-of-bounds Read