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HIGH

CVE-2021-36414

CVSS v3

7.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A heab-based buffer overflow vulnerability exists in MP4Box in GPAC 1.0.1 via media.c, which allows attackers to cause a denial of service or execute arbitrary code via a crafted file.

Technical details

Published
2022-01-10

Frequently asked questions

What is CVE-2021-36414?

A heab-based buffer overflow vulnerability exists in MP4Box in GPAC 1.0.1 via media.c, which allows attackers to cause a denial of service or execute arbitrary code via a crafted file.

Is CVE-2021-36414 actively exploited?

Active exploitation of CVE-2021-36414 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-36414?

CVE-2021-36414 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-36414 affecting your environment?

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