CVE-2020-27842
libopenjp2-7: There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0
CVE-2020-27842 is fixed in 16 products on 1 platform, first by libopenjp2-7 2.3.1-1ubuntu5, released December 10, 2020. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0146
73rd percentile
There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. Anattacker who is able to provide crafted input to be processed by openjpegcould cause a null pointer dereference. The highest impact of this flaw isto application availability.
Where it's fixed
| 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 | Jan 5, 2021 |
| 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 | Jan 5, 2021 |
| libgs9 · Ubuntu 18.04.6 LTS (bionic) | 9.26~dfsg+0-0ubuntu0.18.04.14 | libgs9 9.26~dfsg+0-0ubuntu0.18.04.14 | Jan 5, 2021 |
| 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 | Jan 5, 2021 |
| 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 | Jan 5, 2021 |
| libopenjp2-7 · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjp2-7 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjp2-7 · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjp2-7 2.3.1-1ubuntu5 | Jan 5, 2021 |
| libopenjp2-7 · Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu5 | libopenjp2-7 2.3.1-1ubuntu5 | Dec 10, 2020 |
| libopenjp2-7 · Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu5 | libopenjp2-7 2.3.1-1ubuntu5 | Dec 10, 2020 |
| 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 | Jan 5, 2021 |
| libopenjp2-tools · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjp2-tools 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjp2-tools · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjp2-tools 2.3.1-1ubuntu5 | Jan 5, 2021 |
| libopenjp2-tools · Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu5 | libopenjp2-tools 2.3.1-1ubuntu5 | Dec 10, 2020 |
| libopenjp2-tools · Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu5 | libopenjp2-tools 2.3.1-1ubuntu5 | Dec 10, 2020 |
| 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 | Jan 5, 2021 |
| libopenjp3d-tools · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjp3d-tools 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjp3d-tools · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjp3d-tools 2.3.1-1ubuntu5 | Jan 5, 2021 |
| libopenjp3d7 · Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | libopenjp3d7 2.3.0-2+deb10u2build0.18.04.1 | Jan 5, 2021 |
| libopenjp3d7 · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjp3d7 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjp3d7 · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjp3d7 2.3.1-1ubuntu5 | Jan 5, 2021 |
| 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 | Jan 5, 2021 |
| libopenjpip-dec-server · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjpip-dec-server 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjpip-dec-server · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjpip-dec-server 2.3.1-1ubuntu5 | Jan 5, 2021 |
| libopenjpip-dec-server · Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu5 | libopenjpip-dec-server 2.3.1-1ubuntu5 | Dec 10, 2020 |
| libopenjpip-dec-server · Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu5 | libopenjpip-dec-server 2.3.1-1ubuntu5 | Dec 10, 2020 |
| 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 | Jan 5, 2021 |
| libopenjpip-server · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjpip-server 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjpip-server · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjpip-server 2.3.1-1ubuntu5 | Jan 5, 2021 |
| libopenjpip-server · Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu5 | libopenjpip-server 2.3.1-1ubuntu5 | Dec 10, 2020 |
| libopenjpip-server · Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu5 | libopenjpip-server 2.3.1-1ubuntu5 | Dec 10, 2020 |
| 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 | Jan 5, 2021 |
| libopenjpip-viewer · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjpip-viewer 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjpip-viewer · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjpip-viewer 2.3.1-1ubuntu5 | Jan 5, 2021 |
| libopenjpip-viewer · Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu5 | libopenjpip-viewer 2.3.1-1ubuntu5 | Dec 10, 2020 |
| libopenjpip-viewer · Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu5 | libopenjpip-viewer 2.3.1-1ubuntu5 | Dec 10, 2020 |
| libopenjpip7 · Ubuntu 18.04.6 LTS (bionic) | 2.3.0-2+deb10u2build0.18.04.1 | libopenjpip7 2.3.0-2+deb10u2build0.18.04.1 | Jan 5, 2021 |
| libopenjpip7 · Ubuntu 20.04 LTS (focal) | 2.3.1-1ubuntu4.20.04.1 | libopenjpip7 2.3.1-1ubuntu4.20.04.1 | Jan 5, 2021 |
| libopenjpip7 · Ubuntu 22.04.1 LTS (jammy) | 2.3.1-1ubuntu5 | libopenjpip7 2.3.1-1ubuntu5 | Jan 5, 2021 |
| libopenjpip7 · Ubuntu 24.10 (oracular) | 2.3.1-1ubuntu5 | libopenjpip7 2.3.1-1ubuntu5 | Dec 10, 2020 |
| libopenjpip7 · Ubuntu 25.04 (plucky) | 2.3.1-1ubuntu5 | libopenjpip7 2.3.1-1ubuntu5 | Dec 10, 2020 |
| openjpeg2 · RHEL 8 | 0:2.4.0-4.el8 | RHSA-2021:4251 | Nov 9, 2021 |
| openjpeg2 · almalinux 8 | 2.4.0-4.el8 | ALSA-2021:4251 | Nov 9, 2021 |
| openjpeg2 · ol 8 | 0:2.4.0-4.el8 | ELSA-2021-4251 | Nov 16, 2021 |
| openjpeg2 · rocky 8 | 0:2.4.0-4.el8 | RLSA-2021:4251 | Nov 9, 2021 |
| openjpeg2-devel · RHEL 8 | 0:2.4.0-4.el8 | RHSA-2021:4251 | Nov 9, 2021 |
| openjpeg2-devel · almalinux 8 | 2.4.0-4.el8 | ALSA-2021:4251 | Nov 9, 2021 |
| openjpeg2-devel · ol 8 | 0:2.4.0-4.el8 | ELSA-2021-4251 | Nov 16, 2021 |
| openjpeg2-devel-docs · RHEL 8 | 0:2.4.0-4.el8 | RHSA-2021:4251 | Nov 9, 2021 |
| openjpeg2-devel-docs · almalinux 8 | 2.4.0-4.el8 | ALSA-2021:4251 | Nov 9, 2021 |
| openjpeg2-devel-docs · ol 8 | 0:2.4.0-4.el8 | ELSA-2021-4251 | Nov 16, 2021 |
| openjpeg2-tools · RHEL 8 | 0:2.4.0-4.el8 | RHSA-2021:4251 | Nov 9, 2021 |
| openjpeg2-tools · almalinux 8 | 2.4.0-4.el8 | ALSA-2021:4251 | Nov 9, 2021 |
| openjpeg2-tools · ol 8 | 0:2.4.0-4.el8 | ELSA-2021-4251 | Nov 16, 2021 |
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