CVE-2021-25801
Publication date 26 July 2021
Last updated 25 August 2025
Ubuntu priority
Description
A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| vlc | 25.04 plucky |
Not affected
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Fixed 3.0.9.2-1ubuntu0.1~esm1
|
|
| 18.04 LTS bionic |
Fixed 3.0.8-0ubuntu18.04.1+esm1
|
|
| 16.04 LTS xenial |
Fixed 2.2.2-5ubuntu0.16.04.5+esm2
|
|
| 14.04 LTS trusty | Ignored end of standard support |
Get expanded security coverage with Ubuntu Pro
Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.
Get Ubuntu Pro 30-day free trialSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.1 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-6180-1
- VLC media player vulnerabilities
- 20 June 2023