CVE-2026-2921
Publication date 16 March 2026
Last updated 6 June 2026
Ubuntu priority
Description
GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gst-plugins-base1.0 | 26.04 LTS resolute |
Not affected
|
| 25.10 questing |
Fixed 1.26.6-1ubuntu0.1
|
|
| 24.04 LTS noble |
Fixed 1.24.2-1ubuntu0.4
|
|
| 22.04 LTS jammy |
Fixed 1.20.1-1ubuntu0.6
|
|
| 20.04 LTS focal |
Fixed 1.16.3-0ubuntu1.4+esm2
|
|
| 18.04 LTS bionic |
Fixed 1.14.5-0ubuntu1~18.04.3+esm3
|
|
| 16.04 LTS xenial |
Needs evaluation
|
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| 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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-8130-1
- GStreamer Base Plugins vulnerability
- 30 March 2026
- USN-8130-2
- GStreamer Base Plugins vulnerability
- 2 June 2026