CVE-2020-23333

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-08-17 · updated 2026-06-17
Weakness: CWE-787

Description

A heap-based buffer overflow exists in the AP4_CttsAtom::AP4_CttsAtom component located in /Core/Ap4Utils.h of Bento4 version 06c39d9. This can lead to a denial of service (DOS).

Affected products

Axiomatic Bento4: before 1.6.0-635 — fixed in 1.6.0-635

How to fix

Upgrade to a fixed version: Axiomatic Bento4 1.6.0-635. Check the vendor advisory for mitigations.

References

https://github.com/axiomatic-systems/Bento4/issues/507
https://github.com/axiomatic-systems/Bento4/issues/507

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