CVE-2025-55653: Divide by Zero

Published Oct 16, 2026

Updated

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

Affected Software

1 affected component

Gpac MP4Box=2.4

Event History

Oct 16, 2026

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

Description

Frequently Asked Questions

What input is required to trigger the failure?

An attacker needs to supply an MP4 file containing a crafted fraction string with a zero denominator. MP4Box must process that file for gf_parse_lfrac() to perform the division by zero.

What is the observed impact of successful exploitation?

The division by zero raises SIGFPE and terminates the MP4Box process. The provided information describes a denial-of-service condition.

CVE-2025-55653: Divide by Zero

Affected Software

Event History

Frequently Asked Questions

What input is required to trigger the failure?

What is the observed impact of successful exploitation?

Company

Resources

Contact

Frequently Asked Questions

What input is required to trigger the failure?

What is the observed impact of successful exploitation?