CVE-2026-2922

A flaw was found in GStreamer. This vulnerability allows a remote attacker to execute arbitrary code by exploiting an out-of-bounds write in the RealMedia Demuxer component. The issue occurs due to improper validation of user-supplied data during the processing of video packets, leading to a write past the end of an allocated buffer. Successful exploitation can result in arbitrary code execution within the context of the current process.

This IMPORTANT vulnerability in the GStreamer RealMedia Demuxer allows remote attackers to execute arbitrary code. The flaw occurs due to improper validation of user-supplied data when processing video packets, leading to an out-of-bounds write. Exploitation requires user interaction with a specially crafted RealMedia file.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Avoid processing untrusted RealMedia files with GStreamer-enabled applications. Users should exercise caution when opening RealMedia content from unknown or untrusted sources to prevent potential exploitation.