Buffer overflow in Axiosys Bento4

CVE-2020-19721

A heap buffer overflow vulnerability in Ap4TrunAtom.cpp of Bento 1.5.1-628 may lead to an out-of-bounds write while running mp42aac, leading to system crashes and a denial of service (DOS).

Vulnerability class: Buffer Overflow

EPSS: 0.012 (64.1th 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

Frequently asked questions

What is CVE-2020-19721?
CVE-2020-19721 is a medium-severity vulnerability in Axiosys Bento4, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-07-13.
How severe is CVE-2020-19721?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-19721 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.