CVE-2026-5235
Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflow
- State
- Published
- Severity
- 4.8 Medium
- Published
- Mar 31, 2026
- Updated
- Apr 1, 2026
- Reserved
- Mar 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | 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 | VulDB |
| 3.0 | 5.3 Medium | 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 | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Bento4Axiomatic |
|
References
- VDB-354386 | Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflowvdb-entrytechnical-description
- VDB-354386 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #780472 | Bento4 <=1.6.0-641 Memory Corruptionthird-party-advisory
- https://github.com/axiomatic-systems/Bento4/issues/1058issue-tracking
- https://github.com/axiomatic-systems/Bento4/issues/1058#issue-4078583078exploitissue-tracking
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