What is CVE-2023-26768?

CVE-2023-26768 is a high-severity vulnerability in Liblouis, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-03-16.

How severe is CVE-2023-26768?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-26768 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Liblouis

CVE-2023-26768

Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to cause a denial of service via the compileTranslationTable.c and lou_setDataPath functions.

Vulnerability class: Buffer Overflow

Published 2023-03-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Liblouis — versions 3.24.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

github.com/liblouis/liblouis/issues/1301 (Exploit, Issue Tracking)
github.com/liblouis/liblouis/pull/1302 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2023-26768?: CVE-2023-26768 is a high-severity vulnerability in Liblouis, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-03-16.
How severe is CVE-2023-26768?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-26768 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.