CVE-2021-20298

Description

A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.14%
Third-Party Advisory redhat.com Third-Party Advisory chromium.org Third-Party Advisory redhat.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory debian.org
Affected: n/a OpenEXR
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913 third party advisory mailing list
https://github.com/AcademySoftwareFoundation/openexr/pull/843 third party advisory patch
https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97 third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1939156 third party advisory issue tracking
https://access.redhat.com/security/cve/CVE-2021-20298 third party advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-20298?
CVE-2021-20298 has been scored as a high severity vulnerability.
How to fix CVE-2021-20298?
To fix CVE-2021-20298, 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-2021-20298 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20298 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-2021-20298?
CVE-2021-20298 affects n/a OpenEXR.
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