CVE-2025-55640 | GPAC MP4Box 2.4 isomedia/stbl_write.c stbl_AddSize heap-based overflow

October 16, 2026 Yanac

A vulnerability was found in GPAC MP4Box 2.4 and classified as problematic. Affected by this issue is the function stbl_AddSize of the file isomedia/stbl_write.c. The manipulation results in heap-based buffer overflow.

This vulnerability was named CVE-2025-55640. The attack may be performed from remote. There is no available exploit.VulDB Recent EntriesRead More