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RedHat: RHSA-2021-4686 Moderate: Webkit2gtk3 Code Execution Risk

red hat
Calendar Grey November 16, 2021
Dist Redhat Esm H88
Important patch for webkit2gtk3 resolves vulnerabilities in Red Hat Enterprise Linux 8.1 Extended Update Support.
An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat code execution moderate impact arbitrary code webkit2gtk3 enterprise support

References

https://access.redhat.com/security/cve/CVE-2021-30858 https://access.redhat.com/security/updates/classification/#moderate

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

Read the Full Advisory


Severity
medium
Lowest
Low
Medium
High
Critical

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

Topic

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat code execution moderate impact arbitrary code webkit2gtk3 enterprise support

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2006099 - CVE-2021-30858 webkitgtk: Use-after-free leading to arbitrary code execution

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