# CVE-2020-8112: libopenjp2-7: opj_t1_clbl_decode_processor in openjp2/t1.c in OpenJPEG 2.3.1 through2020-01-28 has a heap-based buffer overflow in...

CVE-2020-8112 is fixed in 16 products on 1 platform, first by libopenjp2-7 2.3.1-1ubuntu4, released January 28, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-8112
- Priority: High
- CVSS: 8.8 (Medium)
- EPSS: 0.0362
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 28, 2020

## Description

opj_t1_clbl_decode_processor in openjp2/t1.c in OpenJPEG 2.3.1 through2020-01-28 has a heap-based buffer overflow in the qmfbid==1 case, adifferent issue than CVE-2020-6851.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ghostscript Ubuntu 18.04.6 LTS (bionic) | 9.26~dfsg+0-0ubuntu0.18.04.14 | [ghostscript 9.26~dfsg+0-0ubuntu0.18.04.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ghostscript-9.26-dfsg-0-0ubuntu0.18.04.14.md) | Jan 5, 2021 |
| Linux | ghostscript-x Ubuntu 18.04.6 LTS (bionic) | 9.26~dfsg+0-0ubuntu0.18.04.14 | [ghostscript-x 9.26~dfsg+0-0ubuntu0.18.04.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ghostscript-x-9.26-dfsg-0-0ubuntu0.18.04.14.md) | Jan 5, 2021 |
| Linux | libgs9 Ubuntu 18.04.6 LTS (bionic) | 9.26~dfsg+0-0ubuntu0.18.04.14 | [libgs9 9.26~dfsg+0-0ubuntu0.18.04.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgs9-9.26-dfsg-0-0ubuntu0.18.04.14.md) | Jan 5, 2021 |
| Linux | libgs9-common Ubuntu 18.04.6 LTS (bionic) | 9.26~dfsg+0-0ubuntu0.18.04.14 | [libgs9-common 9.26~dfsg+0-0ubuntu0.18.04.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgs9-common-9.26-dfsg-0-0ubuntu0.18.04.14.md) | Jan 5, 2021 |
| Linux | libopenjp2-7 Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjp2-7 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjp2-7-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjp2-7 Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjp2-7 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjp2-7-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjp2-7 Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu4 | [libopenjp2-7 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libopenjp2-7-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjp2-7 Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu4 | [libopenjp2-7 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libopenjp2-7-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjp2-tools Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjp2-tools 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjp2-tools-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjp2-tools Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjp2-tools 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjp2-tools-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjp2-tools Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu4 | [libopenjp2-tools 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libopenjp2-tools-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjp2-tools Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu4 | [libopenjp2-tools 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libopenjp2-tools-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjp3d-tools Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjp3d-tools 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjp3d-tools-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjp3d-tools Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjp3d-tools 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjp3d-tools-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjp3d7 Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjp3d7 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjp3d7-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjp3d7 Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjp3d7 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjp3d7-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjpip-dec-server Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjpip-dec-server 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjpip-dec-server-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjpip-dec-server Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjpip-dec-server 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjpip-dec-server-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjpip-dec-server Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu4 | [libopenjpip-dec-server 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libopenjpip-dec-server-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjpip-dec-server Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu4 | [libopenjpip-dec-server 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libopenjpip-dec-server-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjpip-server Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjpip-server 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjpip-server-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjpip-server Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjpip-server 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjpip-server-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjpip-server Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu4 | [libopenjpip-server 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libopenjpip-server-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjpip-server Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu4 | [libopenjpip-server 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libopenjpip-server-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjpip-viewer Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjpip-viewer 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjpip-viewer-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjpip-viewer Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjpip-viewer 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjpip-viewer-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjpip-viewer Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu4 | [libopenjpip-viewer 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libopenjpip-viewer-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjpip-viewer Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu4 | [libopenjpip-viewer 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libopenjpip-viewer-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjpip7 Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | [libopenjpip7 2.3.0-2+deb10u2build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libopenjpip7-2.3.0-2-deb10u2build0.18.04.1.md) | Jan 5, 2021 |
| Linux | libopenjpip7 Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4 | [libopenjpip7 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libopenjpip7-2.3.1-1ubuntu4.md) | Jan 28, 2020 |
| Linux | libopenjpip7 Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu4 | [libopenjpip7 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libopenjpip7-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | libopenjpip7 Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu4 | [libopenjpip7 2.3.1-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libopenjpip7-2.3.1-1ubuntu4.md) | Jan 16, 2026 |
| Linux | openjpeg2 RHEL 8 | 0:2.3.1-3.el8_1 | [RHSA-2020:0570](https://patchblox.com/security/data/fix/linux/rhsa-2020-0570.md) | Feb 24, 2020 |
| Linux | openjpeg2 ol 8 | 0:2.3.1-3.el8_1 | [ELSA-2020-0570](https://patchblox.com/security/data/fix/linux/elsa-2020-0570.md) | Feb 25, 2020 |
| Linux | openjpeg2-devel RHEL 8 | 0:2.3.1-3.el8_1 | [RHSA-2020:0570](https://patchblox.com/security/data/fix/linux/rhsa-2020-0570.md) | Feb 24, 2020 |
| Linux | openjpeg2-devel ol 8 | 0:2.3.1-3.el8_1 | [ELSA-2020-0570](https://patchblox.com/security/data/fix/linux/elsa-2020-0570.md) | Feb 25, 2020 |
| Linux | openjpeg2-devel-docs RHEL 8 | 0:2.3.1-3.el8_1 | [RHSA-2020:0570](https://patchblox.com/security/data/fix/linux/rhsa-2020-0570.md) | Feb 24, 2020 |
| Linux | openjpeg2-devel-docs ol 8 | 0:2.3.1-3.el8_1 | [ELSA-2020-0570](https://patchblox.com/security/data/fix/linux/elsa-2020-0570.md) | Feb 25, 2020 |
| Linux | openjpeg2-tools RHEL 8 | 0:2.3.1-3.el8_1 | [RHSA-2020:0570](https://patchblox.com/security/data/fix/linux/rhsa-2020-0570.md) | Feb 24, 2020 |
| Linux | openjpeg2-tools ol 8 | 0:2.3.1-3.el8_1 | [ELSA-2020-0570](https://patchblox.com/security/data/fix/linux/elsa-2020-0570.md) | Feb 25, 2020 |

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