Bug 2034378 (CVE-2021-30884) - CVE-2021-30884 webkitgtk: CSS compositing issue leading to revealing of the browsing history
Summary: CVE-2021-30884 webkitgtk: CSS compositing issue leading to revealing of the b...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-30884
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2034379 2039526
Blocks: 2034394
TreeView+ depends on / blocked
 
Reported: 2021-12-20 19:15 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-05-10 20:46 UTC (History)
4 users (show)

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.
Clone Of:
Environment:
Last Closed: 2022-05-10 20:46:27 UTC


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:1777 0 None None None 2022-05-10 13:23:15 UTC

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


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