CVE-2026-18299GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.8 HIGH (v3.0, CNA)CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- zdi
- NVD analysis
- Analyzed
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GStreamer GStreamer gstreamer:gstreamer (from the name) | 99fde1184fe8b12d0721230941c1bf2080913183 | CNA record |
gstreamer gstreamer gstreamer:gstreamer | before 1.28.5 | NVD |
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-467/x-research-advisory, third-party-advisory
- https://gstreamer.freedesktop.org/security/sa-2026-0051.htmlvendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.