CVE-2026-5235

MEDIUM 5.3

Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflow

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was determined in Axiomatic Bento4 up to 1.6.0-641. This impacts the function AP4_BitReader::ReadCache of the file Ap4Dac4Atom.cpp of the component MP4 File Parser. This manipulation causes heap-based buffer overflow. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-122 CWE-119
Vendor	axiomatic
Product	bento4
Published	Mar 31, 2026
Last Updated	Apr 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Axiomatic / Bento4

1.6.0-641

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/354386 vuldb.com: https://vuldb.com/vuln/354386/cti vuldb.com: https://vuldb.com/submit/780472 github.com: https://github.com/axiomatic-systems/Bento4/issues/1058 github.com: https://github.com/axiomatic-systems/Bento4/issues/1058#issue-4078583078

Credits

🔍 breakingbad (VulDB User)