CVE-2021-3933: Integer Overflow
First published: Wed Nov 03 2021(Updated: )
An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits. This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with application stability or lead to other attack paths.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/openexr | <=2.2.1-4.1+deb10u1 | 2.2.1-4.1+deb10u2 2.5.4-2+deb11u1 3.1.5-5 3.1.5-5.1 |
| Openexr Openexr | <3.1.2 | |
| Fedoraproject Fedora | =36 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| redhat/OpenEXR | <3.1.2 | 3.1.2 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-3933
- https://bugzilla.redhat.com/show_bug.cgi?id=2019783
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38912
- https://github.com/AcademySoftwareFoundation/openexr/commit/5a0adf1aba7d41c6b94ba167c0c4308d2eecfd17
- https://security-tracker.debian.org/tracker/CVE-2021-3941
- https://bugzilla.redhat.com/show_bug.cgi?id=2019789
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39084
- https://github.com/AcademySoftwareFoundation/openexr/pull/1153
- https://github.com/AcademySoftwareFoundation/openexr/commit/a0cfa81153b2464b864c5fe39a53cb03339092ed
- https://security-tracker.debian.org/tracker/CVE-2021-45942
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416
- https://github.com/AcademySoftwareFoundation/openexr/pull/1209
- https://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3933
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3941
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45942
- https://security-tracker.debian.org/tracker/CVE-2021-3598
- https://security-tracker.debian.org/tracker/CVE-2021-3605
- https://security-tracker.debian.org/tracker/CVE-2021-23215
- https://security-tracker.debian.org/tracker/CVE-2021-26260
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014828
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2JSMJ7HLWFPYYV7IAQZD5ZUUUN7RWBN/
- https://security.gentoo.org/glsa/202210-31
- https://www.debian.org/security/2022/dsa-5299
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2019785
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2019784
- https://github.com/AcademySoftwareFoundation/openexr/commit/5db6f7aee79e3e75e8c3780b18b28699614dd08e
Frequently Asked Questions
What is CVE-2021-3933?
CVE-2021-3933 is a vulnerability that could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits.
What is the severity of CVE-2021-3933?
CVE-2021-3933 has a severity rating of medium with a score of 5.5.
Which software is affected by CVE-2021-3933?
OpenEXR versions 2.2.1-4.1+deb10u2, 2.5.4-2+deb11u1, 3.1.5-5, and 3.1.5-5.1 are affected on Debian. OpenEXR versions up to 3.1.2 are affected on other systems.
How can I fix CVE-2021-3933 on Debian?
To fix CVE-2021-3933 on Debian, update the OpenEXR package to version 2.2.1-4.1+deb10u2 or higher.
Is Fedora affected by CVE-2021-3933?
Yes, Fedora version 36 is affected by CVE-2021-3933.
- collector/debian-bugs
- alias/CVE-2021-3933
- collector/security-tracker-debian
- collector/nvd-index
- collector/redhat-bugzilla
- agent/weakness
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- agent/tags
- agent/description
- agent/type
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- agent/softwarecombine
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- package-manager/debian
- vendor/openexr
- canonical/openexr openexr
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/36
- vendor/debian
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