CVE-2026-1417 is a vulnerability identified in the GPAC multimedia framework, specifically affecting versions 2.0 through 2.4.0. The issue resides in the dump_isom_rtp function located in the applications/mp4box/filedump.c source file, where improper handling of input data leads to a null pointer dereference. This results in the application attempting to access or dereference a null pointer, causing a crash or denial of service. The vulnerability requires the attacker to have local access with low privileges (PR:L) and does not require user interaction (UI:N). The attack vector is local (AV:L), meaning remote exploitation is not feasible without prior access. The CVSS 4.0 base score is 4.8, reflecting a medium severity level, primarily due to the limited attack vector and impact scope. While the vulnerability does not allow for privilege escalation, code execution, or data leakage, it can disrupt services relying on GPAC, particularly media processing or streaming applications. A public exploit is available, increasing the urgency for patching. The patch identified by commit f96bd57c3ccdcde4335a0be28cd3e8fe296993de addresses the issue by correcting the null pointer handling in the affected function. Organizations using GPAC should apply this patch promptly to mitigate the risk of denial of service caused by this vulnerability.

The primary impact of CVE-2026-1417 is denial of service due to application crashes when the vulnerable function processes crafted input leading to null pointer dereference. For European organizations, especially those involved in media production, streaming services, or any workflows utilizing GPAC for multimedia container processing, this could result in service interruptions, degraded user experience, and potential operational downtime. Although the vulnerability does not directly compromise confidentiality or integrity, the availability impact can affect business continuity and service reliability. Given the requirement for local access, the threat is more relevant in environments where multiple users have access to systems running GPAC or where attackers can gain initial footholds. The availability of a public exploit increases the risk that attackers with local access could intentionally trigger crashes to disrupt services. Organizations relying on GPAC in critical infrastructure or media delivery platforms should consider this vulnerability a moderate operational risk.

1. Apply the official patch identified by commit f96bd57c3ccdcde4335a0be28cd3e8fe296993de immediately to all affected GPAC installations. 2. Restrict local access to systems running GPAC to trusted users only, minimizing the risk of local exploitation. 3. Implement strict access controls and monitoring on systems where GPAC is deployed to detect and prevent unauthorized local usage. 4. Conduct regular audits of installed GPAC versions and ensure they are updated beyond 2.4.0 where the vulnerability is fixed. 5. Employ application-level sandboxing or containerization to isolate GPAC processes, limiting the impact of potential crashes. 6. Monitor system logs for abnormal terminations or crashes related to GPAC processes to detect exploitation attempts early. 7. Educate system administrators and users about the risks of local exploitation and the importance of applying security patches promptly.