Vulnerability Description
GStreamer DVB Subtitles 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 specific flaw exists within the handling of coordinates. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28838.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gstreamer | Gstreamer | < 1.28.1 |
Related Weaknesses (CWE)
References
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/3b8253f447bcc9831dbfPatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-26-161/Third Party Advisory
FAQ
What is CVE-2026-2923?
CVE-2026-2923 is a vulnerability with a CVSS score of 7.8 (HIGH). GStreamer DVB Subtitles Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interactio...
How severe is CVE-2026-2923?
CVE-2026-2923 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2923?
Check the references section above for vendor advisories and patch information. Affected products include: Gstreamer Gstreamer.