CVE-2018-3936: In Antenna House Office Server Document Converter version V6.1 Pro MR2 for Linux64 (6,1,2018,0312), a crafted

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HIGH 8.8WATCHLISTDOWNGRADE

CVE-2018-3936 is a high-severity flaw (CVSS 8.8) affecting office server document converter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In 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.

Why this priority

High severity
Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-787
Published	2018-07-11
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: antennahouse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-07-11 16:29 UTCPublished CVE record published
2026-06-17 01:58 UTCUpdated Record last modified

antennahouse office server document converter DOWNGRADE

Affected: 6.1 mr2

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.1

1. Check installed version

apt-cache policy office-server-document-converter || rpm -q office-server-document-converter || office-server-document-converter --version

2. No fixed release: DOWNGRADE to a release before 6.1 (Debian / Ubuntu)

apt-cache madison office-server-document-converter sudo apt install office-server-document-converter=<VERSION_BEFORE_6.1> sudo apt-mark hold office-server-document-converter

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list office-server-document-converter sudo dnf downgrade office-server-document-converter-<VERSION_BEFORE_6.1> sudo dnf versionlock add office-server-document-converter

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-3936?

office server document converter: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-3936 being exploited?

CVE-2018-3936 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-3936 affect?

CVE-2018-3936 affects office server document converter. Severity is high (CVSS 8.8). In 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.

How urgent is CVE-2018-3936?

Priority 61/100. High severity; Public exploit reference; On your watchlist

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References

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