CVE-2026-18299
Reported by zdi · Published August 20, 2026
GStreamer rtpsbcdepay Use-After-Free 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 RTP payload elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29787.
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| GStreamer | GStreamer | 99fde1184fe8b12d0721230941c1bf2080913183 |
| GStreamer | GStreamer | 99fde1184fe8b12d0721230941c1bf2080913183, 99fde1184fe8b12d0721230941c1bf2080913183, 99fde1184fe8b12d0721230941c1bf2080913183 |
Timeline
- Jul 29, 2026 CVE Published
- Aug 23, 2026 Security Advisory
- Aug 24, 2026 EPSS Score
- Aug 25, 2026 Distribution Patch
- Aug 25, 2026 Security Advisory
- Aug 25, 2026 Distribution Patch
- Aug 25, 2026 Security Advisory
- Aug 26, 2026 Distribution Patch
- Aug 26, 2026 Security Advisory
- Sep 1, 2026 EPSS Score
- Sep 3, 2026 Distribution Patch
- Sep 5, 2026 Distribution Patch
References
- ZDI-26-467 x_research-advisory
- vendor-provided URL vendor-advisory