CVE-2025-55653
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductMP4Box
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-369CWE-369
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| GPAC MP4Box | 2.4 | — |
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