CVE-2026-5236Axiomatic Bento4 DSI v1 Ap4Dac4Atom.cpp SkipBits heap-based overflow
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- 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 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Axiomatic Bento4 bento4:bento4 | 1.6.0-641 | CNA record |
References
- https://vuldb.com/vuln/354387vdb-entry, technical-description
- https://vuldb.com/vuln/354387/ctisignature, permissions-required
- https://vuldb.com/submit/780473third-party-advisory
- https://github.com/axiomatic-systems/Bento4/issues/1059issue-tracking
- https://github.com/axiomatic-systems/Bento4/issues/1059#issue-4078584738exploit, issue-tracking
The CVE record on cve.org NVD's entry
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.