MEDIUMCVSS v3.1 5.5Vulnerability

CVE-2026-111677

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00196
Cvss score
5.5
Cvss severity
MEDIUM
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
5.5
Cvss version
3.1
Cve id
CVE-2026-111677
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published at
2026-10-16T18:17:50.477
Last modified
2026-10-20T19:08:12.820
Epss percentile
0.08705

Related Entities (2)

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Read

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CVE-2026-111677 (CVSS v3.1 5.5) — Ninja Signal Threat Intelligence | Ninja Signal