What’s Vulnerable › Vulnerabilities

CVE-2023-2203

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-17 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• Red Hat Enterprise Linux: 8.0, 9.0
• RedHat Enterprise Linux Eus: 8.8, 9.2
• RedHat Enterprise Linux Server Aus: 8.8, 9.2
• RedHat Enterprise Linux Server Tus: 8.8
• WebKitGTK Webkit2Gtk3: 2.38.5-1.el8, 2.38.5-1.el9

References

• 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
• 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

Get alerted when CVE-2023-2203 or the next vulnerability affects your stack