CVE-2020-21596

Public Exploit

Description

libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a crafted a file.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/strukturag/libde265/issues/236 issue tracking exploit third party advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html third party advisory mailing list
https://www.debian.org/security/2023/dsa-5346 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-21596?
CVE-2020-21596 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21596?
To fix CVE-2020-21596, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-21596 being actively exploited in the wild?
It is possible that CVE-2020-21596 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.