CVE-2020-27824

Description

A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.27%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org
Affected: n/a openjpeg
Published at:
Updated at:

References

Link Tags
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/ vendor advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html third party advisory mailing list
https://www.debian.org/security/2021/dsa-4882 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1905723 issue tracking third party advisory patch
https://www.oracle.com/security-alerts/cpuoct2021.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-27824?
CVE-2020-27824 has been scored as a medium severity vulnerability.
How to fix CVE-2020-27824?
To fix CVE-2020-27824, 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-2020-27824 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-27824 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27824?
CVE-2020-27824 affects n/a openjpeg.
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