CVE-2021-26945: Integer Overflow
First published: Thu Apr 08 2021(Updated: )
An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openexr Openexr | <3.0.1 | |
| redhat/OpenEXR | <3.0.1 | 3.0.1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1947591
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31221
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31228
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947592
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947589
- https://github.com/AcademySoftwareFoundation/openexr/pull/930
- https://github.com/AcademySoftwareFoundation/openexr/pull/930/commits/0445bd02f9b70d6f9d82d270f5b9d1ad86f3bccc
- https://github.com/AcademySoftwareFoundation/openexr/pull/930/commits/b73ec53bd24ba116d7bf48ebdc868301c596706e
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1952468
Frequently Asked Questions
What is the vulnerability ID for this OpenEXR vulnerability?
The vulnerability ID for this OpenEXR vulnerability is CVE-2021-26945.
What is the severity of CVE-2021-26945?
The severity of CVE-2021-26945 is medium.
What is the impact of CVE-2021-26945?
CVE-2021-26945 can lead to a heap-buffer overflow and crash an application compiled with OpenEXR.
Which software versions are affected by CVE-2021-26945?
Versions of OpenEXR before 3.0.1 are affected by CVE-2021-26945.
Is there a fix available for CVE-2021-26945?
Yes, updating to OpenEXR version 3.0.1 or later will fix CVE-2021-26945.
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