Bug 2092277 (CVE-2022-31783)

Summary:	CVE-2022-31783 liblouis: invalid memory write in compileRule() in compileTranslationTable.c
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dking, martin.gieseking, mclasen
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability found in liblouis. This security flaw happens because of an invalid memory write in the compileRule() at compileTranslationTable.c.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2092700, 2092701, 2092702
Bug Blocks:	2092280

Description TEJ RATHI 2022-06-01 08:44:37 UTC

Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c.

References:
https://github.com/liblouis/liblouis/issues/1214
https://github.com/liblouis/liblouis/commit/2e4772befb2b1c37cb4b9d6572945115ee28630a

Comment 2 Sandipan Roy 2022-06-02 06:09:23 UTC

Created liblouis tracking bugs for this issue:

Affects: fedora-all [bug 2092700]