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Vulnerability record · public intelligence
CVE-2020-26664
HIGH
CVE-2020-26664
Published Jan 8, 2021 · Updated Oct 23, 2026
Severity · CVSSHIGH · 7.8
Known exploitationNot listed
EPSS / likelihood1.50%
QFinch risk score10 / 100
Original summary
Normalized public record · Updated Oct 23, 2026
A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
CVENVDEPSS
- SSVC priority
- MEDIUM
- Confidence
- 10%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- gist.githubusercontent.com ↗
- DSA-4834 ↗
- GLSA-202101-37 ↗
- [debian-lts-announce] 20220610 [SECURITY] [DLA 3050-1] vlc security update ↗
Record history
Published Jan 8, 2021 · Last refreshed Oct 23, 2026