Description
A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | openjpeg | openjpeg 2.4.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | openjpeg2 | 2.4.0-1 | — |
| Debian 13 | openjpeg2 | 2.4.0-1 | — |
| Debian 12 | openjpeg2 | 2.4.0-1 | — |
| Debian 10 | openjpeg2 | 2.3.0-2+deb10u2 | DSA-4882-1 |
| Debian 9 | openjpeg2 | 2.1.2-1.1+deb9u6 | DLA-2550-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | blender +2 | No fix yet | — |
| Ubuntu 26.04 LTS | blender +1 | No fix yet | — |
| Ubuntu 25.10 | blender +2 | No fix yet | — |
| Ubuntu 24.04 LTS | blender | No fix yet | — |
| Ubuntu 22.04 LTS | blender +1 | No fix yet | — |
| Ubuntu 22.04 LTS | openjpeg2 | 2.3.1-1ubuntu5 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | blender +1 | No fix yet | — |
| Ubuntu 20.04 LTS | openjpeg2 | 2.3.1-1ubuntu4.20.04.1 | USN-4685-1 |
| Ubuntu 18.04 LTS | blender +1 | No fix yet | — |
| Ubuntu 18.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.18.04.14 | USN-4686-1 |
| Ubuntu 18.04 LTS | openjpeg2 | 2.3.0-2+deb10u2build0.18.04.1 | USN-5952-1 |
| Ubuntu 16.04 LTS | blender +2 | No fix yet | — |
| Ubuntu 16.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.16.04.14 | USN-4686-1 |
| Ubuntu 16.04 LTS | openjpeg2 | 2.1.2-1.1+deb9u6build0.16.04.1 | USN-4880-1 |
| Ubuntu 14.04 LTS | openjpeg | No fix yet | — |
| Ubuntu Pro 26.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 24.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | texmaker +1 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | openjpeg | 1:1.5.2-3.1ubuntu0.1~esm2 | USN-5664-1 |
| Ubuntu Pro 16.04 LTS | openjpeg2 | 2.1.2-1.1+deb9u6ubuntu0.1~esm3 | USN-5952-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | openjpeg2 +3 | 2.4.0-4.el8 | RHSA-2021:4251 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | openjpeg2 +3 | 2.4.0-4.el8 | ALSA-2021:4251 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | openjpeg2 | 2.4.0-4.el8 | RLSA-2021:4251 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLES 15 SP4 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLES 15 SP3 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLES 15 SP3 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLES 15 SP2 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLES 15 SP2 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLES 15 SP1 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLES 15 SP1 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLES 15 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLES 15 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SLES 12 SP4 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SLES 12 SP3 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SLES 12 SP2 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SLES for SAP 15 SP2 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLES for SAP 15 SP1 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLES for SAP 15 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLES for SAP 15 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLES for SAP 12 SP5 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SLES for SAP 12 SP4 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SLE HPC 15 SP2 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLE HPC 15 SP2 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLE HPC 15 SP1 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SLE HPC 15 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| SLE HPC 15 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SUSE OpenStack Cloud Crowbar 9 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SUSE OpenStack Cloud 9 | openjpeg2 | 2.1.0-4.18.2 | SUSE-SU-2022:3801-1 |
| SUSE Manager Server 4.1 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SUSE Manager Retail Branch Server 4.1 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SUSE Manager Proxy 4.1 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SUSE Enterprise Storage 7 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| SUSE Enterprise Storage 6 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| openSUSE Leap 15.4 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
| openSUSE Leap 15.3 | openjpeg | 1.5.2-150000.4.10.1 | SUSE-SU-2022:4082-1 |
| openSUSE Leap 15.3 | openjpeg2 | 2.3.0-150000.3.8.1 | SUSE-SU-2022:3802-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.23 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.22 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.21 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.20 | openjpeg | 2.3.1-r6 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.18 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.17 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.16 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.15 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.14 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.13 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.12 | openjpeg | 2.3.1-r6 | — |
| Alpine v3.11 | openjpeg | 2.3.1-r5 | — |
| Alpine v3.10 | openjpeg | 2.3.1-r5 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | openjpeg2 +3 | 2.4.0-4.amzn2 | ALAS2-2022-1741 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | openjpeg2 | 2.3.1-12 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | openjpeg2 +3 | 2.4.0-4.el8 | ELSA-2021-4251 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
pazhanivel07/openjpeg-2.3.0_CVE-2020-27824 ★ 0 · Apr 19, 2022
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 16
- ALSA-2021:4251 Moderate: openjpeg2 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:4251 Red Hat Security Advisory: openjpeg2 security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-5952-1 openjpeg2 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-5664-1 openjpeg vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-4686-1 ghostscript vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-4880-1 openjpeg2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-4685-1 openjpeg2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4882-1 openjpeg2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2550-1 openjpeg2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:4251 Moderate: openjpeg2 security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2022:3802-1 Security update for openjpeg2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4082-1 Security update for openjpeg SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3801-1 Security update for openjpeg2 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1880 OpenJPEG: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Benutzerrechten BSI CERT-Bund (WID) · Mar 15, 2023
- ALAS2-2022-1741 Moderate: openjpeg2 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 20, 2022
- ELSA-2021-4251 Moderate: openjpeg2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 16, 2021
References
- FEDORA-2020-4cd57a6876 vendor-advisory
- FEDORA-2020-d32853a28d vendor-advisory
- [debian-lts-announce] 20210208 [SECURITY] [DLA 2550-1] openjpeg2 security update mailing-list
- DSA-4882 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1905723
- https://www.oracle.com/security-alerts/cpuoct2021.html