CVE-2026-5236

Axiomatic Bento4 DSI v1 Ap4Dac4Atom.cpp SkipBits heap-based overflow

MEDIUM
5.3
CVSS Score
Published: March 31, 2026 at 11:00 PM UTC
Updated: June 17, 2026 at 10:58 AM UTC
2 products affected across 2 vendorsBENTO4Bento4

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/354387
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/354387/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/780473

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

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