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Fencer Intel
high 7.3

CVE-2022-3662 json

Axiomatic Bento4 mp42hls Ap4Sample.h GetOffset use after free

published 4y ago modified 4mo ago also EUVD-2022-43021

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 was found in Axiomatic Bento4. It has been declared as critical. This vulnerability affects the function GetOffset of the file Ap4Sample.h of the component mp42hls. The manipulation leads to use after free. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-212002 is the identifier assigned to this vulnerability.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/axiomatic-systems/Bento4/issues/802 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/axiomatic-systems/Bento4/files/9817606/mp42hls_cuaf_Ap4Sample99.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 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.