PT-2022-20928 · Liblouis+5 · Liblouis+5

Kdsjzho · Published 2022-03-13 · Updated 2025-08-12 · CVE-2022-31783

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Liblouis version 3.21.0

Description The issue is related to an out-of-bounds write in the compileRule function within the compileTranslationTable.c file. This has been demonstrated using lou trace.

Recommendations For Liblouis version 3.21.0, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

Related Identifiers

BDU:2025-09873

BDU:2025-09874

CVE-2022-31783

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

USN-5476-1

Affected Products

Debian

Liblouis

Linuxmint

Red Os

Suse

Ubuntu

References · 33

• 🔥 https://github.com/liblouis/liblouis/issues/1214 · Exploit
• https://github.com/liblouis/liblouis/commit/ff747ec5e1ac54d54194846f6fe5bfc689192a85 · Patch
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFD2KIHESDUCNWTEW3USFB5GKTWT624L · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-31783 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-31783 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-31783 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:2184-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09874 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:2298-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-31783 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:2252-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09873 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-31783 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:12125-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5476-1 · Vendor Advisory