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HIGH

CVE-2021-40574

CVSS v3

7.8

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The binary MP4Box in Gpac from 0.9.0-preview to 1.0.1 has a double-free vulnerability in the gf_text_get_utf8_line function in load_text.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.

Technical details

Published
2022-01-13

Frequently asked questions

What is CVE-2021-40574?

The binary MP4Box in Gpac from 0.9.0-preview to 1.0.1 has a double-free vulnerability in the gf_text_get_utf8_line function in load_text.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.

Is CVE-2021-40574 actively exploited?

Active exploitation of CVE-2021-40574 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-40574?

CVE-2021-40574 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-40574 affecting your environment?

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