CVE-2026-18299

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.

• CWE-416

• https://gstreamer.freedesktop.org/security/sa-2026-0051.htmlPatch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-26-467/Third Party Advisory

Published

Aug 20, 2026

Last Modified

Sep 2, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-18293OriginLab Origin Viewer OPJ File Parsing Out-Of-Bounds Write…7.8
• CVE-2026-18294OriginLab Origin Viewer OGW File Parsing Memory Corruption R…7.8
• CVE-2026-18295GStreamer MRF File Parsing Out-Of-Bounds Write Remote Code E…7.8
• CVE-2026-18296GStreamer MRF File Parsing Heap-based Buffer Overflow Remote…7.8
• CVE-2026-18297GStreamer OGG File Parsing Stack-based Buffer Overflow Remot…7.8
• CVE-2026-18298GStreamer PNG File Parsing Heap-based Buffer Overflow Remote…7.8
• CVE-2026-1830The Quick Playground plugin for WordPress is vulnerable to R…9.8
• CVE-2026-18300GIMP HDR File Parsing Integer Overflow Remote Code Execution…7.8
• CVE-2026-18301GIMP PSD File Parsing Integer Overflow Remote Code Execution…7.8
• CVE-2026-18302GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code…7.8
• CVE-2026-18303GIMP TIF File Parsing Stack-based Buffer Overflow Remote Cod…7.8
• CVE-2026-18304GIMP TIF File Parsing Integer Overflow Remote Code Execution…7.8