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CVE-2026-5235

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

Published: Mar 31, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.2%
Top 94.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-119CWE-122

Affected Products

Bento4Axiomatic
Library
OSS Libraries / generic-library
axiomaticcommercialOSS Librariesaka bento4

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/axiomatic-systems/Bento4/issues/1058
github.com
https://github.com/axiomatic-systems/Bento4/issues/1058#issue-4078583078
github.com
https://vuldb.com/submit/780472
vuldb.com
and 2 more references View all →

Timeline

Published
Mar 31, 2026
Last Updated
Apr 29, 2026

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