[ CVE-2025-55653 · Published 16 Oct 2026 ]

Vulnerability

CVSS 5.5 EPSS <1%No fix listed yet

[ Description ]Official description

GPAC MP4Box v2.4 was discovered to contain a floating point exception in the gf_parse_lfrac function (utils/error.c). Processing a crafted MP4 file containing a zero-denominator fraction string causes gf_parse_lfrac() to divide by zero, terminating the process with SIGFPE.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.