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Medium 5.3Published Mar 31, 2026

CVE-2026-5235Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflow

Updated under an hour ago ()

Does this affect you?

It affects Axiomatic Bento4. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
5.3 MEDIUM (v3.1, CNA)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
Weakness (CWE)
CWE-122, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Apr 1, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Axiomatic Bento4
bento4:bento4
1.6.0-641
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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