Bug 2063625 (CVE-2022-26981)

Summary:	CVE-2022-26981 liblouis: buffer overflow in compilePassOpcode
Product:	[Other] Security Response	Reporter:	Sandipan Roy <saroy>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
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 was found in liblouis. This flaw allows an attacker to exploit the compilePassOpcode function, causing a buffer overflow.	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:	2066587, 2066590, 2066591
Bug Blocks:	2063626

Description Sandipan Roy 2022-03-14 05:11:31 UTC

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

https://github.com/liblouis/liblouis/issues/1171

Comment 1 Sandipan Roy 2022-03-22 06:37:41 UTC

Created liblouis tracking bugs for this issue:

Affects: fedora-all [bug 2066587]