CVE-2026-3084: GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution Vulnerability
GStreamer H.266 Codec Parser Integer Underflow 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 parsing of picture partitions. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28910.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-3084?
CVE-2026-3084 is classified as a critical remote code execution vulnerability.
How do I fix CVE-2026-3084?
To mitigate CVE-2026-3084, update GStreamer to the latest version provided by the maintainers.
Who is affected by CVE-2026-3084?
Users of GStreamer H.266 codec parser are affected by CVE-2026-3084.
What type of vulnerability is CVE-2026-3084?
CVE-2026-3084 is an integer underflow vulnerability that can lead to remote code execution.
Can CVE-2026-3084 be exploited remotely?
Yes, CVE-2026-3084 can be exploited remotely by attackers to execute arbitrary code.