Buffer Overflow vulnerability found in Liblouis Lou_Trace v.3.24.0 allows a remote attacker to cause a denial of service via the resolveSubtable function at compileTranslationTabel.c.
Conclusion & alert: CVE-2023-26769 is rated Moderate Risk (47.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.28%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-06 | 0.38% | 0.28% | -0.10% |
| 2 | 2026-04-03 | 0.33% | 0.38% | +0.05% |
| 3 | 2026-03-17 | — | 0.33% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2023-26769 unimportant priority: Debian including 1 source packages (liblouis), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. | https://security-tracker.debian.org/tracker/CVE-2023-26769 |
gentoo
|
low | CVE-2023-26769: 1 GLSA(s) (202409-18), 1 atom(s) (dev-libs/liblouis); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-26769 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-26769 |
suse
|
high | CVE-2023-26769 severity important: SUSE including 36 source package names (liblouis, liblouis-3.16.1-5.el9, …), 147 product×package rows across 39 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (39 product lines)): Fixed 145, Known Not Affected 2. | https://www.suse.com/security/cve/CVE-2023-26769/ |
ubuntu
|
medium | CVE-2023-26769 medium priority: Ubuntu including 1 source packages (liblouis), 8 status rows across 8 suites (bionic, focal, jammy, kinetic, lunar, trusty, upstream, xenial): released 6, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2023-26769 |
| URL | Tags |
|---|---|
| http://loutrace.com | Broken Link |
| https://github.com/liblouis/liblouis | Product |
| https://github.com/liblouis/liblouis/pull/1300 | Issue Tracking Patch |