Buffer overflow in Gstreamer

CVE-2026-3085

GStreamer rtpqdm2depay Heap-based Buffer Overflow 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 payloads. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28851.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

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.

Affected products

  • Gstreamer — versions 1c6e163aa33962f5ee4a87d29319ccdd5cb67612

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3085?
CVE-2026-3085 is a high-severity vulnerability in Gstreamer, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-16.
How severe is CVE-2026-3085?
High severity. CVSS v3 base score is 8.8 out of 10.