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CVE-2022-26981

Published: 13 March 2022

Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).

Notes

AuthorNote
leosilva
fix for the issue in focal causes regressions

Priority

Low

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
liblouis
Launchpad, Ubuntu, Debian
bionic
Released (3.5.0-1ubuntu0.4)
focal
Released (3.12.0-3ubuntu0.1)
impish
Released (3.18.0-1ubuntu0.2)
jammy
Released (3.20.0-2ubuntu0.1)
kinetic
Released (3.22.0-1)
lunar
Released (3.22.0-1)
mantic
Released (3.22.0-1)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needed

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H