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HIGH

CVE-2021-40941

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

In Bento4 1.6.0-638, there is an allocator is out of memory in the function AP4_Array<AP4_TrunAtom::Entry>::EnsureCapacity in Ap4Array.h:172, as demonstrated by GPAC. This can cause a denial of service (DOS).

Technical details

Published
2022-06-27

Frequently asked questions

What is CVE-2021-40941?

In Bento4 1.6.0-638, there is an allocator is out of memory in the function AP4_Array<AP4_TrunAtom::Entry>::EnsureCapacity in Ap4Array.h:172, as demonstrated by GPAC. This can cause a denial of service (DOS).

Is CVE-2021-40941 actively exploited?

Active exploitation of CVE-2021-40941 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-2021-40941?

CVE-2021-40941 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-40941 affecting your environment?

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