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.
History

Fri, 23 Oct 2026 03:00:00 +0000

Type Values Removed Values Added
Title GPAC MP4Box Denial of Service via Division by Zero in Fraction Parsing

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Title Floating Point Division by Zero in GPAC MP4Box Causes Crash
Weaknesses CWE-402

Wed, 21 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Gpac
Gpac mp4box
Vendors & Products Gpac
Gpac mp4box

Tue, 20 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-369
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}


Sat, 17 Oct 2026 23:30:00 +0000

Type Values Removed Values Added
References

Fri, 16 Oct 2026 20:15:00 +0000

Type Values Removed Values Added
Title Floating Point Division by Zero in GPAC MP4Box Causes Crash
Weaknesses CWE-402

Fri, 16 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-16T00:00:00.000Z

Updated: 2026-10-20T19:25:01.689Z

Reserved: 2025-08-13T00:00:00.000Z

Link: CVE-2025-55653

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-16T19:16:57.013

Modified: 2026-10-20T20:17:10.783

Link: CVE-2025-55653

cve-icon Redhat

No data.