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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: 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