CVE-2020-21598

Public Exploit

Description

libde265 v1.0.4 contains a heap buffer overflow in the ff_hevc_put_unweighted_pred_8_sse function, which can be exploited via a crafted a file.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/strukturag/libde265/issues/237 issue tracking exploit third party advisory
https://cwe.mitre.org/data/definitions/122.html third party advisory technical description
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-2020-21598?
CVE-2020-21598 has been scored as a high severity vulnerability.
How to fix CVE-2020-21598?
To fix CVE-2020-21598, 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-2020-21598 being actively exploited in the wild?
It is possible that CVE-2020-21598 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.
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