Bug 1852077 (CVE-2019-18799)

Summary:	CVE-2019-18799 libsass: NULL pointer dereference in Sass:Parser:parseCompoundSelector in parser_selectors.cpp
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	aurelien, fmuellner
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
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Regression:	---	Mount Type:	---
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1852078, 1852079, 1862992
Bug Blocks:	1852081

Description Guilherme de Almeida Suckevicz 2020-06-29 17:10:54 UTC

LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parser_selectors.cpp.

Reference:
https://github.com/sass/libsass/issues/3001

Comment 1 Guilherme de Almeida Suckevicz 2020-06-29 17:11:16 UTC

Created libsass tracking bugs for this issue:

Affects: epel-7 [bug 1852079]
Affects: fedora-all [bug 1852078]