CVE-2021-41457

7.5 highEPSS 1.2%

High (7.5) in gpac mp4box. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2021-10-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19