CVE-2017-14643 json
The AP4_HdlrAtom class in Core/Ap4HdlrAtom.cpp in Bento4 version 1.5.0-617 uses an incorrect character data type, leading to a heap-based b…
published 2017-09-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6143
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
The AP4_HdlrAtom class in Core/Ap4HdlrAtom.cpp in Bento4 version 1.5.0-617 uses an incorrect character data type, leading to a heap-based buffer over-read and application crash in AP4_BytesToUInt32BE in Core/Ap4Utils.h.
Patch / fix
Exploit prediction
1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blogs.gentoo.org https://blogs.gentoo.org/ago/2017/09/14/bento4-heap-based-buffer-overflow-in-ap4_bytestouint32be-ap4utils-h/ referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/axiomatic-systems/Bento4/issues/187 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/axiomatic-systems/Bento4/commit/5eb8cf89d724ccb0b4ce5f24171ec7c11f0a7647
patch, third-party-advisory
-
blogs.gentoo.org
/ago/2017/09/14/bento4-heap-based-buffer-overflow-in-ap4_bytestouint32be-ap4utils-h/
exploit, issue-tracking, patch, third-party-advisory, vdb-entry
-
github.com
/axiomatic-systems/Bento4/issues/187
exploit, third-party-advisory
Sources
- CVE List CVE-2017-14643
- NVD CVE-2017-14643
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