PT-2022-18160 · Liblouis+6 · Liblouis+6

Han Zheng · Published 2022-03-13 · Updated 2025-08-12 · CVE-2022-26981

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Liblouis versions prior to 3.21.1

Description The issue is related to a buffer overflow in the compilePassOpcode function within compileTranslationTable.c, which can be indirectly called by tools/lou checktable.c.

Recommendations For versions prior to 3.21.1, update to version 3.21.1 or later, as this issue was addressed with improved checks.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2025-09873

CVE-2022-26981

OESA-2023-1920

OESA-2023-1949

OPENSUSE-SU-2022_2184-1

OPENSUSE-SU-2022_2252-1

OPENSUSE-SU-2022_2298-1

OPENSUSE-SU-2024:12125-1

SUSE-SU-2022:2184-1

SUSE-SU-2022:2252-1

SUSE-SU-2022:2298-1

SUSE-SU-2022_2184-1

SUSE-SU-2022_2252-1

SUSE-SU-2022_2298-1

USN-5476-1

Affected Products

Debian

Liblouis

Linuxmint

Apple Macos

Red Os

Suse

Ubuntu

References · 46

• 🔥 https://github.com/liblouis/liblouis/issues/1171 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-26981 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:2184-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1949 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09873 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-26981 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-26981 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-26981 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1920 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-26981 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFD2KIHESDUCNWTEW3USFB5GKTWT624L · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:2298-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:2252-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-26981 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-26981 · Security Note