CVE-2020-27843
First published: Mon Dec 14 2020(Updated: )
A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Uclouvain Openjpeg | <2.4.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Oracle Outside In Technology | =8.5.5 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| redhat/openjpeg | <2.4.0 | 2.4.0 |
| debian/openjpeg2 | 2.4.0-3 2.5.0-2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1907516
- https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
- https://security.gentoo.org/glsa/202101-29
- https://www.debian.org/security/2021/dsa-4882
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://launchpad.net/bugs/cve/CVE-2020-27843
- https://github.com/uclouvain/openjpeg/issues/1297
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907688
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907687
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907685
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1907686
- https://access.redhat.com/security/cve/cve-2020-27843
- https://access.redhat.com/errata/RHSA-2021:4251
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
- https://github.com/uclouvain/openjpeg/commit/38d661a3897052c7ff0b39b30c29cb067e130121
- https://security-tracker.debian.org/tracker/CVE-2020-27843
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27843
- https://nvd.nist.gov/vuln/detail/CVE-2020-27843
- https://ubuntu.com/security/CVE-2020-27843
Frequently Asked Questions
What is CVE-2020-27843?
CVE-2020-27843 is a vulnerability found in OpenJPEG that allows an attacker to cause an out-of-bounds read.
How severe is CVE-2020-27843?
CVE-2020-27843 has a severity rating of high.
Which versions of OpenJPEG are affected by CVE-2020-27843?
Versions of OpenJPEG prior to 2.4.0 are affected by CVE-2020-27843.
How can I fix CVE-2020-27843?
To fix CVE-2020-27843, update OpenJPEG to version 2.4.0 or later.
Where can I find more information about CVE-2020-27843?
You can find more information about CVE-2020-27843 on the following links: [link1](https://bugzilla.redhat.com/show_bug.cgi?id=1907516), [link2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/), [link3](https://security.gentoo.org/glsa/202101-29).
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