Description
There is a stack-based buffer overflow in Liblouis 3.2.0, triggered in the function includeFile() in compileTranslationTable.c, 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 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 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | liblouis +4 | 2.5.2-11.el7_4 | ELSA-2017-3111 |
Advisories 3
- 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
- ELSA-2017-3111 Moderate: liblouis security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 2, 2017
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1484334
- 100607 vdb-entry
- RHSA-2017:3111 vendor-advisory