CVE-2021-20296: Null Pointer Dereference
First published: Thu Apr 01 2021(Updated: )
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openexr Openexr | <2.4.3 | |
| Openexr Openexr | >=2.5.0<2.5.4 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this flaw?
The vulnerability ID of this flaw is CVE-2021-20296.
What is the severity of CVE-2021-20296?
The severity of CVE-2021-20296 is medium, with a CVSS score of 5.3.
Which software versions are affected by CVE-2021-20296?
Versions before 3.0.0-beta of OpenEXR are affected by CVE-2021-20296.
What is the impact of CVE-2021-20296?
The highest threat from CVE-2021-20296 is to system availability.
Are there any references for CVE-2021-20296?
Yes, you can find references for CVE-2021-20296 at the following links: [Link 1](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854), [Link 2](https://bugzilla.redhat.com/show_bug.cgi?id=1939141), [Link 3](https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html).
- collector/nvd-index
- vendor/openexr
- canonical/openexr openexr
- version/openexr openexr/2.5.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0