CVE-2021-40571
CVSS v3
7.8
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The binary MP4Box in Gpac 1.0.1 has a double-free vulnerability in the ilst_box_read function in box_code_apple.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-2021-40571?
The binary MP4Box in Gpac 1.0.1 has a double-free vulnerability in the ilst_box_read function in box_code_apple.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.
Is CVE-2021-40571 actively exploited?
Active exploitation of CVE-2021-40571 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-2021-40571?
CVE-2021-40571 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2021-40571 affecting your environment?
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