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AUSCERT External Security Bulletin Redistribution
ESB-2021.3914
webkit2gtk3 security update
17 November 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: webkit2gtk3
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-30858
Reference: ESB-2021.3654
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:4686
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Red Hat Security Advisory
Synopsis: Moderate: webkit2gtk3 security update
Advisory ID: RHSA-2021:4686-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4686
Issue date: 2021-11-16
CVE Names: CVE-2021-30858
=====================================================================
1. Summary:
An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.1
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64
3. Description:
WebKitGTK is the port of the portable web rendering engine WebKit to the
GTK platform.
Security Fix(es):
* webkitgtk: Use-after-free leading to arbitrary code execution
(CVE-2021-30858)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
2006099 - CVE-2021-30858 webkitgtk: Use-after-free leading to arbitrary code execution
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
webkit2gtk3-2.24.4-4.el8_1.src.rpm
aarch64:
webkit2gtk3-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-debuginfo-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-debugsource-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-devel-debuginfo-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-jsc-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-jsc-debuginfo-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-jsc-devel-debuginfo-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-plugin-process-gtk2-2.24.4-4.el8_1.aarch64.rpm
webkit2gtk3-plugin-process-gtk2-debuginfo-2.24.4-4.el8_1.aarch64.rpm
ppc64le:
webkit2gtk3-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-debuginfo-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-debugsource-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-devel-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-devel-debuginfo-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-jsc-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-jsc-debuginfo-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-jsc-devel-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-jsc-devel-debuginfo-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-plugin-process-gtk2-2.24.4-4.el8_1.ppc64le.rpm
webkit2gtk3-plugin-process-gtk2-debuginfo-2.24.4-4.el8_1.ppc64le.rpm
s390x:
webkit2gtk3-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-debuginfo-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-debugsource-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-devel-debuginfo-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-jsc-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-jsc-debuginfo-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-jsc-devel-debuginfo-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-plugin-process-gtk2-2.24.4-4.el8_1.s390x.rpm
webkit2gtk3-plugin-process-gtk2-debuginfo-2.24.4-4.el8_1.s390x.rpm
x86_64:
webkit2gtk3-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-debuginfo-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-debuginfo-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-debugsource-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-debugsource-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-devel-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-devel-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-devel-debuginfo-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-devel-debuginfo-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-jsc-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-jsc-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-jsc-debuginfo-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-jsc-debuginfo-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-jsc-devel-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-jsc-devel-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-jsc-devel-debuginfo-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-jsc-devel-debuginfo-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-plugin-process-gtk2-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-plugin-process-gtk2-2.24.4-4.el8_1.x86_64.rpm
webkit2gtk3-plugin-process-gtk2-debuginfo-2.24.4-4.el8_1.i686.rpm
webkit2gtk3-plugin-process-gtk2-debuginfo-2.24.4-4.el8_1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2021-30858
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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