# CVE-2022-26981: liblouis-bin: Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode incompileTranslationTable.c (called, indirectly, b... CVE-2022-26981 is fixed in 7 products on 1 platform, first by DEBIAN-CVE-2022-26981, released March 13, 2022. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2022-26981 - Priority: High - CVSS: 7.8 (Low) - EPSS: 0.0145 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 13, 2022 ## Description Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode incompileTranslationTable.c (called, indirectly, by tools/lou_checktable.c). ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | liblouis Debian 12.15 (bookworm) | 3.22.0-1 | [DEBIAN-CVE-2022-26981](https://patchblox.com/security/data/fix/linux/debian-cve-2022-26981.md) | Mar 13, 2022 | | Linux | liblouis Debian 13.5 (trixie) | 3.22.0-1 | [DEBIAN-CVE-2022-26981](https://patchblox.com/security/data/fix/linux/debian-cve-2022-26981.md) | Mar 13, 2022 | | Linux | liblouis Debian 14 | 3.22.0-1 | [DEBIAN-CVE-2022-26981](https://patchblox.com/security/data/fix/linux/debian-cve-2022-26981.md) | Mar 13, 2022 | | Linux | liblouis-bin Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.4 | [liblouis-bin 3.5.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblouis-bin-3.5.0-1ubuntu0.4.md) | Jun 2, 2022 | | Linux | liblouis-bin Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.1 | [liblouis-bin 3.12.0-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblouis-bin-3.12.0-3ubuntu0.1.md) | Jun 2, 2022 | | Linux | liblouis-bin Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.1 | [liblouis-bin 3.20.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblouis-bin-3.20.0-2ubuntu0.1.md) | Jun 2, 2022 | | Linux | liblouis-bin Ubuntu 24.10 (oracular) | 3.22.0-1 | [liblouis-bin 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-liblouis-bin-3.22.0-1.md) | Jan 16, 2026 | | Linux | liblouis-bin Ubuntu 25.04 (plucky) | 3.22.0-1 | [liblouis-bin 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-liblouis-bin-3.22.0-1.md) | Jan 16, 2026 | | Linux | liblouis-data Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.4 | [liblouis-data 3.5.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblouis-data-3.5.0-1ubuntu0.4.md) | Jun 2, 2022 | | Linux | liblouis-data Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.1 | [liblouis-data 3.12.0-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblouis-data-3.12.0-3ubuntu0.1.md) | Jun 2, 2022 | | Linux | liblouis-data Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.1 | [liblouis-data 3.20.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblouis-data-3.20.0-2ubuntu0.1.md) | Jun 2, 2022 | | Linux | liblouis-data Ubuntu 24.10 (oracular) | 3.22.0-1 | [liblouis-data 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-liblouis-data-3.22.0-1.md) | Jan 16, 2026 | | Linux | liblouis-data Ubuntu 25.04 (plucky) | 3.22.0-1 | [liblouis-data 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-liblouis-data-3.22.0-1.md) | Jan 16, 2026 | | Linux | liblouis14 Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.4 | [liblouis14 3.5.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblouis14-3.5.0-1ubuntu0.4.md) | Jun 2, 2022 | | Linux | liblouis20 Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.1 | [liblouis20 3.12.0-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblouis20-3.12.0-3ubuntu0.1.md) | Jun 2, 2022 | | Linux | liblouis20 Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.1 | [liblouis20 3.20.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblouis20-3.20.0-2ubuntu0.1.md) | Jun 2, 2022 | | Linux | liblouis20 Ubuntu 24.10 (oracular) | 3.22.0-1 | [liblouis20 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-liblouis20-3.22.0-1.md) | Jan 16, 2026 | | Linux | liblouis20 Ubuntu 25.04 (plucky) | 3.22.0-1 | [liblouis20 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-liblouis20-3.22.0-1.md) | Jan 16, 2026 | | Linux | python-louis Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.4 | [python-louis 3.5.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-louis-3.5.0-1ubuntu0.4.md) | Jun 2, 2022 | | Linux | python3-louis Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.4 | [python3-louis 3.5.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-louis-3.5.0-1ubuntu0.4.md) | Jun 2, 2022 | | Linux | python3-louis Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.1 | [python3-louis 3.12.0-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-louis-3.12.0-3ubuntu0.1.md) | Jun 2, 2022 | | Linux | python3-louis Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.1 | [python3-louis 3.20.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-louis-3.20.0-2ubuntu0.1.md) | Jun 2, 2022 | | Linux | python3-louis Ubuntu 24.10 (oracular) | 3.22.0-1 | [python3-louis 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-louis-3.22.0-1.md) | Jan 16, 2026 | | Linux | python3-louis Ubuntu 25.04 (plucky) | 3.22.0-1 | [python3-louis 3.22.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-louis-3.22.0-1.md) | Jan 16, 2026 | --- Data as of 2026-11-09T13:31:49Z UTC. 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