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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.

PUBLISHED Reserved 2026-03-31 | Published 2026-03-31 | Updated 2026-04-01 | Assigner VulDB




MEDIUM: 4.8CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Product status

1.6.0-641
affected

Timeline

2026-03-31:Advisory disclosed
2026-03-31:VulDB entry created
2026-03-31:VulDB entry last update

Credits

breakingbad (VulDB User) reporter

References

vuldb.com/vuln/354386 (VDB-354386 | Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflow) vdb-entry technical-description

vuldb.com/vuln/354386/cti (VDB-354386 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/780472 (Submit #780472 | Bento4 <=1.6.0-641 Memory Corruption) third-party-advisory

github.com/axiomatic-systems/Bento4/issues/1058 issue-tracking

github.com/axiomatic-systems/Bento4/issues/1058 exploit issue-tracking

cve.org (CVE-2026-5235)

nvd.nist.gov (CVE-2026-5235)

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