CVE-2026-1416 is a vulnerability in the GPAC multimedia framework, affecting versions 2.0 through 2.4.0. The issue resides in the DumpMovieInfo function within the file applications/mp4box/filedump.c, where improper handling of input leads to a null pointer dereference. This flaw can be triggered by a local attacker with low privileges and no need for user interaction, causing the application to crash or behave unpredictably. The vulnerability does not allow for remote exploitation or privilege escalation but can result in denial of service conditions. The CVSS 4.0 base score is 4.8, reflecting medium severity due to local attack vector and limited impact scope. The vulnerability has been publicly disclosed with a patch available (commit d45c264c20addf0c1cc05124ede33f8ffa800e68). Although no active exploits have been reported in the wild, the availability of proof-of-concept code increases the risk of exploitation. GPAC is widely used in multimedia processing, streaming, and packaging, making this vulnerability relevant for organizations relying on these capabilities. The flaw highlights the importance of input validation and robust error handling in multimedia applications.

The primary impact of CVE-2026-1416 is denial of service through application crashes caused by null pointer dereference. This can disrupt multimedia processing workflows, affecting media streaming, packaging, or playback systems that rely on GPAC. While it does not directly compromise confidentiality or integrity, service availability can be degraded, potentially impacting user experience and operational continuity. Organizations with automated media pipelines or embedded systems using GPAC may face interruptions or require manual intervention to recover. Since exploitation requires local access and low privileges, the threat is mainly from insider threats or compromised local accounts. The absence of remote exploitation limits widespread attacks but does not eliminate risks in multi-user or shared environments. Timely patching is critical to prevent denial of service and maintain stable multimedia services.

To mitigate CVE-2026-1416, organizations should immediately apply the official patch identified by commit d45c264c20addf0c1cc05124ede33f8ffa800e68 to all affected GPAC versions (2.0 through 2.4.0). Restrict local access to systems running GPAC to trusted users only and implement strict access controls to minimize the risk of local exploitation. Monitor logs for abnormal crashes or application failures related to mp4box or DumpMovieInfo usage. Employ application whitelisting and endpoint protection to detect and prevent exploitation attempts. For environments where patching is delayed, consider isolating GPAC processing tasks in sandboxed or containerized environments to limit impact. Regularly update multimedia frameworks and dependencies to incorporate security fixes. Conduct security awareness training for local users to reduce insider threat risks. Finally, maintain backups and recovery procedures to quickly restore services if denial of service occurs.