Vulnerability · Published May 13, 2021 · Assigned by redhat
CVE-2020-27823
High 7.8
In plain English
A high-severity improper input validation in openjpeg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.1%top 34.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | openjpeg2 | 2.4.0-4.el8 | ALSA-2021:4251 |
| AlmaLinux:8 | openjpeg2-devel | 2.4.0-4.el8 | ALSA-2021:4251 |
| AlmaLinux:8 | openjpeg2-devel-docs | 2.4.0-4.el8 | ALSA-2021:4251 |
| AlmaLinux:8 | openjpeg2-tools | 2.4.0-4.el8 | ALSA-2021:4251 |
| Alpine:v3.20 | openjpeg | 2.3.1-r6 | ALPINE-CVE-2020-27823 |
| Alpine:v3.21 | openjpeg | 2.3.1-r6 | ALPINE-CVE-2020-27823 |
| Alpine:v3.22 | openjpeg | 2.3.1-r6 | ALPINE-CVE-2020-27823 |
| Alpine:v3.23 | openjpeg | 2.3.1-r6 | ALPINE-CVE-2020-27823 |
| Alpine:v3.24 | openjpeg | 2.3.1-r6 | ALPINE-CVE-2020-27823 |
| Debian:12 | openjpeg2 | 2.4.0-1 | DEBIAN-CVE-2020-27823 |
| Debian:13 | openjpeg2 | 2.4.0-1 | DEBIAN-CVE-2020-27823 |
| Debian:14 | openjpeg2 | 2.4.0-1 | DEBIAN-CVE-2020-27823 |
| Rocky Linux:8 | openjpeg2 | 0:2.4.0-4.el8 | RLSA-2021:4251 |
| Ubuntu:22.04:LTS | blender | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:24.04:LTS | blender | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:25.10 | blender | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:26.04:LTS | blender | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:26.10 | blender | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:22.04:LTS | insighttoolkit4 | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:22.04:LTS | openjpeg2 | 2.3.1-1ubuntu5 | UBUNTU-CVE-2020-27823 |
| Ubuntu:25.10 | qtwebengine-opensource-src | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:26.10 | qtwebengine-opensource-src | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:25.10 | texmaker | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:26.04:LTS | texmaker | no fix listed | UBUNTU-CVE-2020-27823 |
| Ubuntu:26.10 | texmaker | no fix listed | UBUNTU-CVE-2020-27823 |
Affected products (as reported)
Weakness: CWE-20
References
- FEDORA-2020-4cd57a6876 vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-d32853a28d vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20210208 [SECURITY] [DLA 2550-1] openjpeg2 security update mailing-list, x_refsource_MLIST
- DSA-4882 vendor-advisory, x_refsource_DEBIAN
- https://bugzilla.redhat.com/show_bug.cgi?id=1905762 x_refsource_MISC