Description
There is a use-after-free in the function compileBrailleIndicator() in compileTranslationTable.c in Liblouis 3.2.0 that will lead to a remote denial of service attack.
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 Pro 16.04 LTS | liblouis | No fix yet | — |
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 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | liblouis | 3.16.1-1.5 | openSUSE-SU-2024:10953-1 |
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
- openSUSE-SU-2024:10953-1 liblouis-data-3.16.1-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 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
- RHSA-2017:3111 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1484332