What is CVE-2018-11440?

CVE-2018-11440 is a high-severity vulnerability in Liblouis, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-05-25.

How severe is CVE-2018-11440?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Liblouis

CVE-2018-11440

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function parseChars in compileTranslationTable.c.

Vulnerability class: Buffer Overflow

Published 2018-05-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.032 (87.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Liblouis — versions 3.5.0
Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
openSUSE Leap — versions 15.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

usn.ubuntu.com/3669-1/ (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/104321 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/liblouis/liblouis/issues/575 (Third Party Advisory, Issue Tracking)
lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11440?: CVE-2018-11440 is a high-severity vulnerability in Liblouis, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-05-25.
How severe is CVE-2018-11440?: High severity. CVSS v3 base score is 8.8 out of 10.