CVE-2023-2203: Use After Free
First published: Fri Apr 21 2023(Updated: )
A flaw was found in the WebKitGTK package. An improper input validation issue may lead to a use-after-free vulnerability. This flaw allows attackers with network access to pass specially crafted web content files, causing a denial of service or arbitrary code execution. This CVE exists because of a CVE-2023-28205 security regression for the WebKitGTK package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Webkitgtk Webkit2gtk3 | =2.38.5-1.el8 | |
| Webkitgtk Webkit2gtk3 | =2.38.5-1.el9 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| Redhat Enterprise Linux Eus | =8.8 | |
| Redhat Enterprise Linux Eus | =9.2 | |
| Redhat Enterprise Linux Server Aus | =8.8 | |
| Redhat Enterprise Linux Server Aus | =9.2 | |
| Redhat Enterprise Linux Server Tus | =8.8 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-28205
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2185724
- https://access.redhat.com/errata/RHSA-2023:1919
- https://access.redhat.com/errata/RHSA-2023:1918
- https://access.redhat.com/security/cve/CVE-2023-2203
- https://access.redhat.com/errata/RHSA-2023:2653
- https://access.redhat.com/errata/RHSA-2023:3108
- https://access.redhat.com/security/cve/cve-2023-2203
- https://bugzilla.redhat.com/show_bug.cgi?id=2188543
Frequently Asked Questions
What is CVE-2023-2203?
CVE-2023-2203 is a use-after-free vulnerability found in the WebKitGTK package that allows attackers to execute arbitrary code or cause a denial of service.
Which software versions are affected by CVE-2023-2203?
Versions 2.38.5-1.el8 and 2.38.5-1.el9 of WebKitGTK package, Redhat Enterprise Linux 8.0 and 9.0, and Redhat Enterprise Linux Eus 8.8 and 9.2 are affected by CVE-2023-2203.
What is the severity level of CVE-2023-2203?
CVE-2023-2203 has a severity level of 8.8 (high).
How can I fix CVE-2023-2203?
Apply the necessary updates provided by Red Hat through the official Red Hat Security Advisory RHSA-2023:1919.
What is the Common Weakness Enumeration (CWE) ID associated with CVE-2023-2203?
CVE-2023-2203 is associated with CWE-416 and CWE-20.
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