# CVE-2020-26664: VLC media player: A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger…

CVE-2020-26664 is fixed in VLC media player on 1 platform by VLC media player 3.0.12 (version 3.0.12), released May 10, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-26664
- Priority: High
- CVSS: 7.8
- EPSS: 0.0150
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 8, 2021
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-26664

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | VLC media player | 3.0.12 | [VLC media player 3.0.12](https://patchblox.com/security/data/fix/windows-app/videolan.vlc-3.0.12.md) | May 10, 2021 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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