CVE-2021-3497
Publication date 19 April 2021
Last updated 25 August 2025
Ubuntu priority
Description
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gst-plugins-good1.0 | ||
| 20.04 LTS focal |
Fixed 1.16.2-1ubuntu2.1
|
|
| 18.04 LTS bionic |
Fixed 1.14.5-0ubuntu1~18.04.2
|
|
| 16.04 LTS xenial |
Fixed 1.8.3-1ubuntu0.5
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| 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
Related Ubuntu Security Notices (USN)
- USN-4928-1
- GStreamer Good Plugins vulnerabilities
- 28 April 2021