CVE-2021-20299

Description

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Third-Party Advisory chromium.org Third-Party Advisory redhat.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=25740 mailing list third party advisory patch
https://github.com/AcademySoftwareFoundation/openexr/commit/25e9515b06a6bc293d871622b8cafaee7af84e0f third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1939154 issue tracking third party advisory patch
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-2021-20299?
CVE-2021-20299 has been scored as a high severity vulnerability.
How to fix CVE-2021-20299?
To fix CVE-2021-20299, 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-2021-20299 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20299 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-2021-20299?
CVE-2021-20299 affects n/a OpenEXR.
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