Bug 2040327 (CVE-2021-45481)

Summary:	CVE-2021-45481 webkitgtk: Incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create
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 segmentation violation vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-10 22:16:54 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:	2040328, 2041390, 2041391
Bug Blocks:	2040333

Description Guilherme de Almeida Suckevicz 2022-01-13 13:42:52 UTC

In WebKitGTK before 2.32.4, there is incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create, leading to a segmentation violation and application crash, a different vulnerability than CVE-2021-30889.

Reference:
https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3

Comment 1 Guilherme de Almeida Suckevicz 2022-01-13 13:43:05 UTC

Created webkit2gtk3 tracking bugs for this issue:

Affects: fedora-all [bug 2040328]

Comment 4 errata-xmlrpc 2022-05-10 13:23:31 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 22:16:52 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-2021-45481

Comment 6 errata-xmlrpc 2025-07-07 02:29:19 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