A vulnerability was identified in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_BitReader::SkipBits of the file Ap4Dac4Atom.cpp of the component DSI v1 Parser. Such manipulation of the argument n_presentations leads to heap-based buffer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Axiomatic
  • Bento4
Bento4
  • Bento4

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References
Link Providers
https://www.spirityenterprise.com/pentest spirity
https://github.com/axiomatic-systems/Bento4/issues/1059 cve-icon cve-icon
https://github.com/axiomatic-systems/Bento4/issues/1059#issue-4078584738 cve-icon cve-icon
https://vuldb.com/submit/780473 cve-icon cve-icon
https://vuldb.com/vuln/354387 cve-icon cve-icon
https://vuldb.com/vuln/354387/cti cve-icon cve-icon
History

Thu, 02 Apr 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Axiomatic
Axiomatic bento4
Vendors & Products Axiomatic
Axiomatic bento4

Wed, 01 Apr 2026 02:15:00 +0000

Type Values Removed Values Added
Description A vulnerability was identified in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_BitReader::SkipBits of the file Ap4Dac4Atom.cpp of the component DSI v1 Parser. Such manipulation of the argument n_presentations leads to heap-based buffer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Title Axiomatic Bento4 DSI v1 Ap4Dac4Atom.cpp SkipBits heap-based overflow
First Time appeared Bento4
Bento4 bento4
Weaknesses CWE-119
CWE-122
CPEs cpe:2.3:a:bento4:bento4:*:*:*:*:*:*:*:*
Vendors & Products Bento4
Bento4 bento4
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.3, 'vector': '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'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-31T23:00:19.377Z

Reserved: 2026-03-31T14:08:36.184Z

Link: CVE-2026-5236

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-31T23:17:11.393

Modified: 2026-04-01T14:23:37.727

Link: CVE-2026-5236

cve-icon Redhat

No data.