# CVE-2023-26767: liblouis: Liblouis is an open source braille translator and back-translator named in honor of Louis Braille

CVE-2023-26767 is fixed in 7 products on 1 platform, first by liblouis-bin 3.5.0-1ubuntu0.5, released March 16, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-26767
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0136
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 16, 2023

## Description

Liblouis is an open source braille translator and back-translator named in honor of Louis Braille. It features support for computer and literary braille, supports contracted and uncontracted translation for many languages and has support for hyphenation. New languages can easily be added through tables that support a rule or dictionary based approach. Liblouis also supports math braille (Nemeth and Marburg).  Security Fix(es):  * liblouis: buffer overflow in lou_logFile function at logginc.c (CVE-2023-26767)  * liblouis: buffer overflow in lou_setDataPath (CVE-2023-26768)  * liblouis: buffer overflow in Lou_Trace (CVE-2023-26769)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | liblouis Debian 13.5 (trixie) | 3.24.0-2 | [DEBIAN-CVE-2023-26767](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26767.md) | Mar 16, 2023 |
| Linux | liblouis Debian 14 | 3.24.0-2 | [DEBIAN-CVE-2023-26767](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26767.md) | Mar 16, 2023 |
| Linux | liblouis RHEL 9 | 0:3.16.1-5.el9 | [RHSA-2023:6385](https://patchblox.com/security/data/fix/linux/rhsa-2023-6385.md) | Nov 7, 2023 |
| Linux | liblouis almalinux 9 | 3.16.1-5.el9 | [ALSA-2023:6385](https://patchblox.com/security/data/fix/linux/alsa-2023-6385.md) | Nov 7, 2023 |
| Linux | liblouis ol 9 | 0:3.16.1-5.el9 | [ELSA-2023-6385](https://patchblox.com/security/data/fix/linux/elsa-2023-6385.md) | Nov 11, 2023 |
| Linux | liblouis rocky 9 | 0:3.16.1-5.el9 | [RLSA-2023:6385](https://patchblox.com/security/data/fix/linux/rlsa-2023-6385.md) | Jul 5, 2026 |
| Linux | liblouis-bin Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.5 | [liblouis-bin 3.5.0-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblouis-bin-3.5.0-1ubuntu0.5.md) | Mar 16, 2023 |
| Linux | liblouis-bin Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.2 | [liblouis-bin 3.12.0-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblouis-bin-3.12.0-3ubuntu0.2.md) | Mar 16, 2023 |
| Linux | liblouis-bin Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.2 | [liblouis-bin 3.20.0-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblouis-bin-3.20.0-2ubuntu0.2.md) | Mar 16, 2023 |
| Linux | liblouis-data Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.5 | [liblouis-data 3.5.0-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblouis-data-3.5.0-1ubuntu0.5.md) | Mar 16, 2023 |
| Linux | liblouis-data Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.2 | [liblouis-data 3.12.0-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblouis-data-3.12.0-3ubuntu0.2.md) | Mar 16, 2023 |
| Linux | liblouis-data Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.2 | [liblouis-data 3.20.0-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblouis-data-3.20.0-2ubuntu0.2.md) | Mar 16, 2023 |
| Linux | liblouis14 Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.5 | [liblouis14 3.5.0-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblouis14-3.5.0-1ubuntu0.5.md) | Mar 16, 2023 |
| Linux | liblouis20 Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.2 | [liblouis20 3.12.0-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblouis20-3.12.0-3ubuntu0.2.md) | Mar 16, 2023 |
| Linux | liblouis20 Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.2 | [liblouis20 3.20.0-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-liblouis20-3.20.0-2ubuntu0.2.md) | Mar 16, 2023 |
| Linux | python-louis Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.5 | [python-louis 3.5.0-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-louis-3.5.0-1ubuntu0.5.md) | Mar 16, 2023 |
| Linux | python3-louis RHEL 9 | 0:3.16.1-5.el9 | [RHSA-2023:6385](https://patchblox.com/security/data/fix/linux/rhsa-2023-6385.md) | Nov 7, 2023 |
| Linux | python3-louis Ubuntu 18.04.6 LTS (bionic) | 3.5.0-1ubuntu0.5 | [python3-louis 3.5.0-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-louis-3.5.0-1ubuntu0.5.md) | Mar 16, 2023 |
| Linux | python3-louis Ubuntu 20.04 LTS (focal) | 3.12.0-3ubuntu0.2 | [python3-louis 3.12.0-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-louis-3.12.0-3ubuntu0.2.md) | Mar 16, 2023 |
| Linux | python3-louis Ubuntu 22.04.1 LTS (jammy) | 3.20.0-2ubuntu0.2 | [python3-louis 3.20.0-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-louis-3.20.0-2ubuntu0.2.md) | Mar 16, 2023 |
| Linux | python3-louis almalinux 9 | 3.16.1-5.el9 | [ALSA-2023:6385](https://patchblox.com/security/data/fix/linux/alsa-2023-6385.md) | Nov 7, 2023 |
| Linux | python3-louis ol 9 | 0:3.16.1-5.el9 | [ELSA-2023-6385](https://patchblox.com/security/data/fix/linux/elsa-2023-6385.md) | Nov 11, 2023 |

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