Description
Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.
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 |
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 |
Advisories 6
- WID-SEC-2023-2031 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 11, 2026
- 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