CVE-2021-41457
CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2021-10-01
Frequently asked questions
What is CVE-2021-41457?
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.
Is CVE-2021-41457 actively exploited?
Active exploitation of CVE-2021-41457 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-41457?
CVE-2021-41457 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-41457 affecting your environment?
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