Description
Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | liblouis | 3.22.0-1 | — |
| Debian 13 | liblouis | 3.22.0-1 | — |
| Debian 12 | liblouis | 3.22.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | liblouis | 3.20.0-2ubuntu0.1 | USN-5476-1 |
| Ubuntu 20.04 LTS | liblouis | 3.12.0-3ubuntu0.1 | USN-5476-1 |
| Ubuntu 18.04 LTS | liblouis | 3.5.0-1ubuntu0.4 | USN-5476-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | liblouis | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | liblouis | 3.20.0-150400.3.3.1 | SUSE-SU-2022:2298-1 |
| SLES 15 SP3 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SLES 15 SP2 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SLES 15 SP1 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1 |
| SLES 15 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SLES for SAP 15 SP1 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1 |
| SLES for SAP 15 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1 |
| SLE HPC 15 SP2 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SLE HPC 15 SP1 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1 |
| SLE HPC 15 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1 |
| SUSE Manager Server 4.1 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SUSE Manager Retail Branch Server 4.1 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SUSE Manager Proxy 4.1 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SUSE Enterprise Storage 7 | liblouis | 3.11.0-150200.3.3.1 | SUSE-SU-2022:2184-1 |
| SUSE Enterprise Storage 6 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | liblouis | 3.21.0-2.1 | openSUSE-SU-2024:12125-1 |
| openSUSE Leap 15.4 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2298-1, SUSE-SU-2022:2252-1, SUSE-SU-2022:2184-1 |
| openSUSE Leap 15.3 | liblouis | 3.3.0-150000.4.8.1 | SUSE-SU-2022:2252-1, SUSE-SU-2022:2184-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | liblouis | 3.22.0-r0 | — |
| Alpine v3.23 | liblouis | 3.22.0-r0 | — |
| Alpine v3.22 | liblouis | 3.22.0-r0 | — |
| Alpine v3.21 | liblouis | 3.22.0-r0 | — |
| Alpine v3.20 | liblouis | 3.22.0-r0 | — |
Advisories 8
- USN-5476-1 liblouis vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- SUSE-SU-2022:2298-1 Security update for liblouis SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12125-1 liblouis-data-3.21.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2252-1 Security update for liblouis SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2184-1 Security update for liblouis SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-0778 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 20, 2025
- WID-SEC-2022-0782 Apple iOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 20, 2025
- WID-SEC-2023-0561 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 18, 2023
References
- https://github.com/liblouis/liblouis/issues/1171
- FEDORA-2022-81110193e5 vendor-advisory
- https://support.apple.com/kb/HT213340
- https://support.apple.com/kb/HT213345
- https://support.apple.com/kb/HT213342
- https://support.apple.com/kb/HT213346
- 20220721 APPLE-SA-2022-07-20-5 tvOS 15.6 mailing-list
- 20220721 APPLE-SA-2022-07-20-2 macOS Monterey 12.5 mailing-list
- 20220721 APPLE-SA-2022-07-20-1 iOS 15.6 and iPadOS 15.6 mailing-list
- 20220721 APPLE-SA-2022-07-20-6 watchOS 8.7 mailing-list
- GLSA-202301-06 vendor-advisory