Bug 2034378 (CVE-2021-30884)

Summary:	CVE-2021-30884 webkitgtk: CSS compositing issue leading to revealing of the browsing history
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	erack, gnome-sig, mcatanza, tpopela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	webkitgtk 2.34.0	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the way WebKitGTK performed CSS compositing. A malicious web site could possibly use this flaw to reveal user's browsing history.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-10 20:46:27 UTC	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:	2034379, 2039526
Bug Blocks:	2034394

Description Guilherme de Almeida Suckevicz 2021-12-20 19:15:46 UTC

A flaw was found in WebKitGTK. The issue was resolved with additional restrictions on CSS compositing.

References:
https://webkitgtk.org/security/WSA-2021-0007.html
https://www.openwall.com/lists/oss-security/2021/12/20/6

Comment 1 Guilherme de Almeida Suckevicz 2021-12-20 19:16:04 UTC

Created webkit2gtk3 tracking bugs for this issue:

Affects: fedora-all [bug 2034379]

Comment 3 errata-xmlrpc 2022-05-10 13:23:12 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:1777 https://access.redhat.com/errata/RHSA-2022:1777

Comment 4 Product Security DevOps Team 2022-05-10 20:46:25 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-30884