CVE-2020-27843
Published: January 5, 2021Last modified: November 8, 2023
Description
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.
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 5.5 | 
| Attack Vector | LOCAL | 
| Attack complexity | LOW | 
| Privileges required | NONE | 
| User interaction | REQUIRED | 
| Scope | UNCHANGED | 
| Confidentiality | NONE | 
| Integrity impact | NONE | 
| Availability impact | HIGH | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | 
Status
| Product | Release | Package | Status | 
|---|---|---|---|
| Alpaquita Linux | 23 LTS | openjpeg | Not affected (2.5.0-r0) | 
| Stream | openjpeg | Not affected (2.5.0-r3) | 
References
- 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%40lists.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