# CVE-2026-6192: libopenjp2-7: A vulnerability was identified in uclouvain openjpeg up to 2.5.4

CVE-2026-6192 is fixed in 9 products on 1 platform, first by libopenjp2-7 2.4.0-6ubuntu0.5, released April 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-6192
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0011
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 13, 2026

## Description

A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opj_pi_initialise_encode in the library src/lib/openjp2/pi.c. The manipulation leads to integer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is 839936aa33eb8899bbbd80fda02796bb65068951. It is suggested to install a patch to address this issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libopenjp2-7 Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjp2-7 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjp2-7-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjp2-7 Ubuntu 24.04.5 LTS (noble) | 2.5.0-2ubuntu0.5 | [libopenjp2-7 2.5.0-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libopenjp2-7-2.5.0-2ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjp2-7 Ubuntu 25.10 (questing) | 2.5.3-2.1ubuntu0.1 | [libopenjp2-7 2.5.3-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libopenjp2-7-2.5.3-2.1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjp2-7 Ubuntu 26.04.1 LTS (resolute) | 2.5.4-1ubuntu0.1 | [libopenjp2-7 2.5.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libopenjp2-7-2.5.4-1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjp2-tools Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjp2-tools 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjp2-tools-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjp2-tools Ubuntu 24.04.5 LTS (noble) | 2.5.0-2ubuntu0.5 | [libopenjp2-tools 2.5.0-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libopenjp2-tools-2.5.0-2ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjp2-tools Ubuntu 25.10 (questing) | 2.5.3-2.1ubuntu0.1 | [libopenjp2-tools 2.5.3-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libopenjp2-tools-2.5.3-2.1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjp2-tools Ubuntu 26.04.1 LTS (resolute) | 2.5.4-1ubuntu0.1 | [libopenjp2-tools 2.5.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libopenjp2-tools-2.5.4-1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjp3d-tools Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjp3d-tools 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjp3d-tools-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjp3d7 Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjp3d7 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjp3d7-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip-dec-server Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjpip-dec-server 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjpip-dec-server-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip-dec-server Ubuntu 24.04.5 LTS (noble) | 2.5.0-2ubuntu0.5 | [libopenjpip-dec-server 2.5.0-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libopenjpip-dec-server-2.5.0-2ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip-dec-server Ubuntu 25.10 (questing) | 2.5.3-2.1ubuntu0.1 | [libopenjpip-dec-server 2.5.3-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libopenjpip-dec-server-2.5.3-2.1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjpip-dec-server Ubuntu 26.04.1 LTS (resolute) | 2.5.4-1ubuntu0.1 | [libopenjpip-dec-server 2.5.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libopenjpip-dec-server-2.5.4-1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjpip-server Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjpip-server 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjpip-server-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip-server Ubuntu 24.04.5 LTS (noble) | 2.5.0-2ubuntu0.5 | [libopenjpip-server 2.5.0-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libopenjpip-server-2.5.0-2ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip-viewer Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjpip-viewer 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjpip-viewer-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip-viewer Ubuntu 24.04.5 LTS (noble) | 2.5.0-2ubuntu0.5 | [libopenjpip-viewer 2.5.0-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libopenjpip-viewer-2.5.0-2ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip-viewer Ubuntu 25.10 (questing) | 2.5.3-2.1ubuntu0.1 | [libopenjpip-viewer 2.5.3-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libopenjpip-viewer-2.5.3-2.1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjpip-viewer Ubuntu 26.04.1 LTS (resolute) | 2.5.4-1ubuntu0.1 | [libopenjpip-viewer 2.5.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libopenjpip-viewer-2.5.4-1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjpip7 Ubuntu 22.04.1 LTS (jammy) | 2.4.0-6ubuntu0.5 | [libopenjpip7 2.4.0-6ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libopenjpip7-2.4.0-6ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip7 Ubuntu 24.04.5 LTS (noble) | 2.5.0-2ubuntu0.5 | [libopenjpip7 2.5.0-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libopenjpip7-2.5.0-2ubuntu0.5.md) | Apr 13, 2026 |
| Linux | libopenjpip7 Ubuntu 25.10 (questing) | 2.5.3-2.1ubuntu0.1 | [libopenjpip7 2.5.3-2.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libopenjpip7-2.5.3-2.1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | libopenjpip7 Ubuntu 26.04.1 LTS (resolute) | 2.5.4-1ubuntu0.1 | [libopenjpip7 2.5.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libopenjpip7-2.5.4-1ubuntu0.1.md) | Apr 13, 2026 |
| Linux | openjpeg2 Debian 12.15 (bookworm) | 2.5.0-2+deb12u3 | [DEBIAN-CVE-2026-6192](https://patchblox.com/security/data/fix/linux/debian-cve-2026-6192.md) | Apr 13, 2026 |
| Linux | openjpeg2 Debian 13.5 (trixie) | 2.5.3-2.1~deb13u2 | [DEBIAN-CVE-2026-6192](https://patchblox.com/security/data/fix/linux/debian-cve-2026-6192.md) | Apr 13, 2026 |
| Linux | openjpeg2 Debian 14 | 2.5.4-1.1 | [DEBIAN-CVE-2026-6192](https://patchblox.com/security/data/fix/linux/debian-cve-2026-6192.md) | Apr 13, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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