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Fencer Intel
high 7.5

CVE-2017-14646 json

The AP4_AvccAtom and AP4_HvccAtom classes in Bento4 version 1.5.0-617 do not properly validate data sizes, leading to a heap-based buffer o…

published 9y ago modified 4mo ago also EUVD-2017-6146

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

The AP4_AvccAtom and AP4_HvccAtom classes in Bento4 version 1.5.0-617 do not properly validate data sizes, leading to a heap-based buffer over-read and application crash in AP4_DataBuffer::SetData in Core/Ap4DataBuffer.cpp.

Patch / fix

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Exploit prediction

2.21% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blogs.gentoo.org https://blogs.gentoo.org/ago/2017/09/14/bento4-heap-based-buffer-overflow-in-ap4_databuffersetdata-ap4databuffer-cpp/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/axiomatic-systems/Bento4/issues/188 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.