CVE-2026-3086: GStreamer H.266 Codec Parser Out-Of-Bounds Write Remote Code Execution Vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-3086?
CVE-2026-3086 is rated as a critical severity vulnerability due to its potential for remote code execution on affected systems.
How do I fix CVE-2026-3086?
To fix CVE-2026-3086, update GStreamer to the latest available version that includes the security patch for this vulnerability.
Who is affected by CVE-2026-3086?
Users of GStreamer that utilize the H.266 codec parser are affected by CVE-2026-3086.
What type of vulnerability is CVE-2026-3086?
CVE-2026-3086 is an out-of-bounds write vulnerability that can lead to remote code execution.
Can CVE-2026-3086 be exploited remotely?
Yes, CVE-2026-3086 can be exploited remotely, allowing attackers to execute arbitrary code on the affected system.