ZDI-26-170: 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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-3086.