CVE-2026-18299

highCVSS 7.8covered by 1 sourcefirst seen 2026-08-20

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.

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Exploitation outlook

Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-18299: GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability. This vulnerability a…nvd · 2026-08-20

External references

NVD record for CVE-2026-18299

CVE.org record

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