Out-of-bounds write in Antenna House
Priority MEDIUM 42CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An exploitable out-of-bounds write exists in the Microsoft Word document conversion functionality of the Antenna House Office Server Document Converter version V6.1 Pro MR2 for Linux64 (6,1,2018,0312). A crafted Microsoft Word (DOC) document can lead to an out-of-bounds write, resulting in remote code execution. This vulnerability occurs in the `vbputanld` method.
Why it matters now
EPSS 0.02052 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Antenna House | Antenna House | Office Server Document Converter version V6.1 Pro MR2 for Linux64 (6,1,2018,0312) | — | No fix listed | CNA |
- Antenna House VendorAntenna House Affected Office Server Document Converter version V6.1 Pro MR2 for Linux64 (6,1,2018,0312) Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:antennahouse:office_server_document_converter:6.1:mr2:*:*:pro:*:*:* | 6.1 mr2 | Vulnerable | Antenna House |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
- cpe:2.3:a:antennahouse:office_server_document_converter:6.1:mr2:*:*:pro:*:*:* Versions 6.1 mr2 Vulnerable ·Antenna House
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3933
- 2026-10-03 Alias added: GHSA-w29r-974p-f67j
References
More Antenna House Office Server Document Converter vulnerabilities
- TI-2018-02900 Out-of-bounds write in Antenna House CVSS 3.0HIGH 8.8
- TI-2018-02904 Out-of-bounds write in Antenna House CVSS 3.0HIGH 8.8
- TI-2018-02899 Out-of-bounds write in Antenna House CVSS 3.1HIGH 7.8
- TI-2018-02897 Out-of-bounds write in Antenna House CVSS 3.1HIGH 7.8
- TI-2018-02898 Out-of-bounds write in Antenna House CVSS 3.1HIGH 7.8
- TI-2021-04053 XML external entity injection in Antenna House Office Server Document Converter CVSS 3.1HIGH 7.5
Sources
- CVE-2018-3933 · CVE Program
- CVE-2018-3933 · NVD
- FIRST EPSS
- GHSA-w29r-974p-f67j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences