CVE-2020-26664
Publication date 8 January 2021
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
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.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| vlc | 25.10 questing | 
                                Not affected 
                                
                               | 
| 25.04 plucky | 
                                Not affected 
                                
                               | |
| 24.04 LTS noble | 
                                Not affected 
                                
                               | |
| 22.04 LTS jammy | 
                                Not affected 
                                
                               | |
| 20.04 LTS focal | 
                                Needs evaluation 
                                
                               | |
| 18.04 LTS bionic | 
                                Needs evaluation 
                                
                               | |
| 16.04 LTS xenial | 
                                Needs evaluation 
                                
                               | |
| 14.04 LTS trusty | Ignored end of standard support | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score |  | 
| Attack vector | Local | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | Required | 
| Scope | Unchanged | 
| Confidentiality | High | 
| Integrity impact | High | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | 
References
Other references
- https://code.videolan.org/videolan/vlc-3.0/-/commit/ec1f55ee9ace5cc675395a1bc9700d99679e7e8c (3.0.12)
- https://gist.githubusercontent.com/henices/db11664dd45b9f322f8514d182aef5ea/raw/d56940c8bf211992bf4f3309a85bb2b69383e511/CVE-2020-26664.txt
- http://videolan.com
- http://vlc.com
- https://www.cve.org/CVERecord?id=CVE-2020-26664