CVE-2026-2922 GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability

High 7.8 Published Updated

Remote attackers can execute arbitrary code via a crafted RealMedia file due to an out-of-bounds write in the GStreamer demuxer.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-2922?

CVE-2026-2922 is a high-severity memory corruption vulnerability in Gstreamer Gstreamer, published on 13 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

GStreamer RealMedia Demuxer 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 video packets. 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-28845.

Weakness: CWE-787

Which versions are affected by CVE-2026-2922?

It affects 1 product.

Products include Gstreamer Gstreamer.

How do I fix CVE-2026-2922?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-2922 being exploited?

There is no known exploitation of CVE-2026-2922 in the wild and no public exploit code.

All Gstreamer Gstreamer vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-2922, GHSA-hjx5-q68f-pv56, MINI-w2cm-fmhg-92x8, UBUNTU-CVE-2026-2922.

Is CVE-2026-2922 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free