NULL pointer dereference in Axiosys Bento4

CVE-2022-40738

An issue was discovered in Bento4 through 1.6.0-639. A NULL pointer dereference occurs in AP4_DescriptorListWriter::Action in Core/Ap4Descriptor.h, called from AP4_EsDescriptor::WriteFields and AP4_Expandable::Write.

EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2022-40738?
CVE-2022-40738 is a medium-severity vulnerability in Axiosys Bento4, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2022-09-15.
How severe is CVE-2022-40738?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-40738 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.