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.
History

Tue, 20 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Antiword Project
Antiword Project antiword
CPEs cpe:2.3:a:antiword_project:antiword:*:*:*:*:*:*:*:*
Vendors & Products Antiword Project
Antiword Project antiword

Mon, 19 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Adri Van Os
Adri Van Os antiword
Vendors & Products Adri Van Os
Adri Van Os antiword

Sun, 18 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 16 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title Antiword through 0.37 Heap Out-of-Bounds Read via vGet8LstInfo in prop8.c
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-16T17:39:36.663Z

Updated: 2026-10-18T12:26:10.819Z

Reserved: 2026-10-16T14:31:18.550Z

Link: CVE-2026-111677

cve-icon Vulnrichment

Updated: 2026-10-16T18:30:53.255Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-16T18:17:50.477

Modified: 2026-10-20T19:08:12.820

Link: CVE-2026-111677

cve-icon Redhat

No data.