Buffer overflow in Gstreamer

CVE-2026-3083

GStreamer rtpqdm2depay 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 processing of X-QDM RTP payload elements. When parsing the packetid element, the process does not properly validate user-supplied data, which can result in a write past the end of an allocated array. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28850.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-3083: held from 0.008 to 0.011.

EPSS over last 30 days · oldest: 0.008 · newest: 0.011 · change: +0.003

Affected products

  • Gstreamer — versions 1c6e163aa33962f5ee4a87d29319ccdd5cb67612

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3083?
CVE-2026-3083 is a high-severity vulnerability in Gstreamer, classified under Improper Validation of Array Index. CVSS score: 8.8/10. Published 2026-03-16.
How severe is CVE-2026-3083?
High severity. CVSS v3 base score is 8.8 out of 10.