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VulnerabilityPublished Updated

CVE-2026-111678: (Antiword through 0.37 contains a stack out-of-bounds read vulnerabilit ...)

Affects antiwordSource GCVE Database

0
Authoritative record:CVE-2026-111678· Medium 4.8

Not known to be exploited · CVSS 4.8 Medium.

Data as of 27 Oct 2026, 08:00 UTC

CVSS 4.0 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10antiwordpkg:deb/ubuntu/antiword?arch=source&distro=stonkingOther threatsAffected
  • =0.37-17
Fixed in–
Ubuntu 26.04 LTSantiwordpkg:deb/ubuntu/antiword?arch=source&distro=resoluteOther threatsAffected
  • =0.37-17
Fixed in–
Ubuntu 24.04 LTSantiwordpkg:deb/ubuntu/antiword?arch=source&distro=nobleOther threatsAffected
  • =0.37-16
Fixed in–
Ubuntu 22.04 LTSantiwordpkg:deb/ubuntu/antiword?arch=source&distro=jammyOther threatsAffected
  • =0.37-16
Fixed in–
Ubuntu 20.04 LTSantiwordpkg:deb/ubuntu/antiword?arch=source&distro=focalOther threatsAffected
  • =0.37-15
  • =0.37-16
Fixed in–
Ubuntu 18.04 LTSantiwordpkg:deb/ubuntu/antiword?arch=source&distro=bionicOther threatsAffected
  • =0.37-11
  • =0.37-11build1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, avoid running untrusted documents with Antiword or restrict local user access to mitigate risk.

Description

Antiword versions up to 0.37 contain a stack out-of-bounds read vulnerability that can lead to a denial of service condition. The vulnerability has a low severity score and requires local access with user interaction to exploit.

References

Community reviews

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