CVE-2021-26260: Buffer Overflow
First published: Thu Apr 08 2021(Updated: )
An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR. This is a different flaw from CVE-2021-23215.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/openexr | <=2.2.1-4.1<=2.2.1-4.1+deb10u1<=2.5.4-2 | |
| 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 | <3.0.1 | |
| Fedoraproject Fedora | =33 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| redhat/OpenEXR | <3.0.1 | 3.0.1 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-26260
- https://security-tracker.debian.org/tracker/CVE-2021-23215
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26260
- https://bugzilla.redhat.com/show_bug.cgi?id=1947582
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29423
- https://github.com/AcademySoftwareFoundation/openexr/pull/894
- https://github.com/AcademySoftwareFoundation/openexr/commit/4212416433a230334cef0ac122cb8d722746035d
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992703
- https://github.com/AcademySoftwareFoundation/openexr/commit/088a61434568cedf3ac1521c44584be397909078
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BXFLD4ZAXKAIWO6ZPBCQEEDZB5IG676K/
- https://www.debian.org/security/2022/dsa-5299
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947583
- https://github.com/AcademySoftwareFoundation/openexr/pull/894/commits/36ea55a362558b08e7f5c3b04c6724eaad47b4e8
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1952357
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BXFLD4ZAXKAIWO6ZPBCQEEDZB5IG676K/
Frequently Asked Questions
What is the severity of CVE-2021-26260?
The severity of CVE-2021-26260 is high with a severity value of 5.5.
What is the affected software of CVE-2021-26260?
The affected software of CVE-2021-26260 includes OpenEXR versions before 3.0.1, Debian Linux 9.0, Debian Linux 10.0, Debian Linux 11.0, and Fedora 33.
How does CVE-2021-26260 impact OpenEXR?
CVE-2021-26260 can lead to an integer overflow and heap-buffer overflow in the DwaCompressor of OpenEXR, potentially crashing applications compiled with OpenEXR.
What is the CVE ID for the related flaw to CVE-2021-26260?
The related flaw to CVE-2021-26260 is CVE-2021-23215.
Where can I find more information about CVE-2021-26260?
You can find more information about CVE-2021-26260 at the following references: [1] [2] [3].
- collector/debian-bugs
- alias/CVE-2021-26260
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/weakness
- agent/author
- agent/references
- agent/remedy
- agent/severity
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/tags
- agent/event
- package-manager/debian
- vendor/openexr
- canonical/openexr openexr
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- version/debian debian linux/11.0
- package-manager/redhat