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Fencer Vulns
high 7.3

CVE-2022-3666 json

Axiomatic Bento4 mp42ts Ap4LinearReader.cpp Advance use after free

published 2022-10-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43025

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

A vulnerability, which was classified as critical, has been found in Axiomatic Bento4. Affected by this issue is the function AP4_LinearReader::Advance of the file Ap4LinearReader.cpp of the component mp42ts. The manipulation leads to use after free. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-212006 is the identifier assigned to this vulnerability.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/axiomatic-systems/Bento4/issues/793 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/axiomatic-systems/Bento4/files/9744391/mp42ts_poc.zip referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Axiomatic Bento4

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-416 Use After Free

References

Sources

Fencer Vulns 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.