Use-after-free in webkit2gtk3 (Red Hat package) - CVE-2023-2203

Vulnerability identifier: #VU75918

CSH Severity: Critical

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red

CVE-ID: CVE-2023-2203

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vendor: Red Hat Inc.

Affected software:
webkit2gtk3 (Red Hat package)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a missing fix for a critical risk vulnerability in WebKit  #VU74604 (CVE-2023-28205). A remote attacker can trick the victim to open a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Install updates from vendor's website.

• https://bugzilla.redhat.com/show_bug.cgi?id=2188543