CVE-2019-18214: The Video_Converter app 0.1.0 for Nextcloud allows denial of service (CPU and memory consumption) via multiple

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HIGH 7.7DOWNGRADE

CVE-2019-18214 is a high-severity flaw (CVSS 7.7) affecting video converter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Video_Converter app 0.1.0 for Nextcloud allows denial of service (CPU and memory consumption) via multiple concurrent conversions because many FFmpeg processes may be running at once. (The workload is not queued for serial execution.)

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-772
Published	2019-10-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: video converter project

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

Am I affected?

Timeline

2019-10-19 14:15 UTCPublished CVE record published
2026-06-17 02:24 UTCUpdated Record last modified

video converter project video converter DOWNGRADE

Affected: 0.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.0

1. Check installed version

apt-cache policy video-converter || rpm -q video-converter || video-converter --version

2. No fixed release: DOWNGRADE to a release before 0.1.0 (Debian / Ubuntu)

apt-cache madison video-converter sudo apt install video-converter=<VERSION_BEFORE_0.1.0> sudo apt-mark hold video-converter

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

dnf --showduplicates list video-converter sudo dnf downgrade video-converter-<VERSION_BEFORE_0.1.0> sudo dnf versionlock add video-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-2019-18214?

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

Is CVE-2019-18214 being exploited?

CVE-2019-18214 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-2019-18214 affect?

CVE-2019-18214 affects video converter. Severity is high (CVSS 7.7). The Video_Converter app 0.1.0 for Nextcloud allows denial of service (CPU and memory consumption) via multiple concurrent conversions because many FFmpeg processes may be running at once. (The workload is not queued for serial execution.)

How urgent is CVE-2019-18214?

Priority 50/100. High severity; Public exploit reference

Software pages

Nextcloud vulnerabilities · FFmpeg vulnerabilities

Related CVEs

CVE-2014-3860 HIGH 7.8 DOWNGRADE Xilisoft Video Converter Ultimate 7.8.1 build-20140505 has a DLL Hijacking vulnerability

References

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