Description
In OpenJPEG 2.3.0, a stack-based buffer overflow was discovered in the pgxtoimage function in jpwl/convert.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly remote code execution.
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 | 2.3.0-2 | — |
| Debian 13 | openjpeg2 | 2.3.0-2 | — |
| Debian 12 | openjpeg2 | 2.3.0-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | openjpeg2 | 2.3.0-2build0.18.04.1 | — |
| Ubuntu 16.04 LTS | openjpeg2 | 2.1.2-1.1+deb9u3build0.16.04.1 | — |
| Ubuntu 14.04 LTS | openjpeg | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | openjpeg | 1:1.5.2-3.1ubuntu0.1~esm2 | USN-5664-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | openjpeg2 | 2.1.0-4.9.1 | SUSE-SU-2018:1364-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | openjpeg2 | 2.1.0-4.9.1 | SUSE-SU-2018:1364-1 |
Advisories 2
- USN-5664-1 openjpeg vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2018:1364-1 Security update for openjpeg2 SUSE / openSUSE Security Updates · Feb 4, 2026