CVE-2021-41457

HIGH 7.5CVE-2021-41457 · Published 01/10/2021 · updated 17/06/2026

In short

CVE-2021-41457 is a HIGH (CVSS 7.5) vulnerability affecting mp4box (gpac).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mp4box gpac	`= 1.1.0`	No fix yet

There is a stack buffer overflow in MP4Box 1.1.0 at src/filters/dmx_nhml.c in nhmldmx_init_parsing which leads to a denial of service vulnerability.

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