CVE-2026-3086
7.8 · HIGHOverview
CVE-2026-3086 is a high-severity vulnerability affecting gstreamer gstreamer. It was published on March 16, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
GStreamer H.266 Codec Parser Out-Of-Bounds Write 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 processing of APS units. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28911.
Remediation
Check the references section for vendor advisories and patches from gstreamer. Update gstreamer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gstreamer | gstreamer | >= 0, < 1.28.1 | Affected |
References
Frequently Asked Questions
What is CVE-2026-3086?
CVE-2026-3086 is a high-severity vulnerability affecting gstreamer gstreamer. It was published on March 16, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2026-3086?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-3086?
Check the references section for vendor advisories and patches from gstreamer. Update gstreamer to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-3086?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-3086 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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