Description
There is a stack-based buffer overflow in Liblouis 3.2.0, triggered in the function parseChars() in compileTranslationTable.c, that will lead to denial of service or possibly unspecified other impact.
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 | 3.3.0-1 | — |
| Debian 13 | liblouis | 3.3.0-1 | — |
| Debian 12 | liblouis | 3.3.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | liblouis | 2.6.4-2ubuntu0.1 | USN-3408-1 |
| Ubuntu 14.04 LTS | liblouis | 2.5.3-2ubuntu1.1 | USN-3408-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | liblouis +4 | 2.5.2-11.el7_4 | RHSA-2017:3111 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | liblouis +2 | 2.6.4-6.3.1 | SUSE-SU-2017:2570-1 |
| SLES 12 SP2 | liblouis +2 | 2.6.4-6.3.1 | SUSE-SU-2017:2570-1 |
| SLES 11 SP4 | liblouis +1 | 1.7.0-1.3.3.1 | SUSE-SU-2017:2590-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | liblouis +2 | 2.6.4-6.3.1 | SUSE-SU-2017:2570-1 |
| SLES for SAP 12 SP2 | liblouis +2 | 2.6.4-6.3.1 | SUSE-SU-2017:2570-1 |
| SLES for SAP 11 SP4 | liblouis +1 | 1.7.0-1.3.3.1 | SUSE-SU-2017:2590-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | liblouis +4 | 2.5.2-11.el7_4 | ELSA-2017-3111 |
Advisories 5
- RHSA-2017:3111 Red Hat Security Advisory: liblouis security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-3408-1 liblouis vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2017:2590-1 Security update for liblouis SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2570-1 Security update for liblouis SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2017-3111 Moderate: liblouis security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 2, 2017
References
- 100607 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1484306
- RHSA-2017:3111 vendor-advisory