Bug 2044528 (CVE-2021-30936)

Summary:	CVE-2021-30936 webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution
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:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	erack, gnome-sig, mcatanza, tpopela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	webkitgtk 2.32.4	Doc Type:	If docs needed, set a value
Doc Text:	A use after free vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted web content files causing an application to halt, crash, or may lead to arbitrary code execution.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-10 23:16:25 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:	2044529, 2044991, 2044992
Bug Blocks:	2040333

Description Guilherme de Almeida Suckevicz 2022-01-24 17:59:00 UTC

A flaw was found in WebKitGTK. An use-after-free issue was addressed with improved memory management.

Reference:
https://webkitgtk.org/security/WSA-2022-0001.html

Comment 1 Guilherme de Almeida Suckevicz 2022-01-24 17:59:15 UTC

Created webkit2gtk3 tracking bugs for this issue:

Affects: fedora-all [bug 2044529]

Comment 4 errata-xmlrpc 2022-05-10 13:23:41 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 5 Product Security DevOps Team 2022-05-10 23:16:23 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-2021-30936

Comment 6 errata-xmlrpc 2025-07-07 02:29:26 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364