VulnerabilityModified

CVE-2023-2203

An improper input validation issue may lead to a use-after-free vulnerability.

HIGH 8.8EPSS 0.93%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.93% probability · 59th percentile
CISA KEV: Not listed
Weakness: CWE-416
Affected: webkitgtk/webkit2gtk3 · redhat/enterprise linux · redhat/enterprise linux eus · redhat/enterprise linux server aus · redhat/enterprise linux server tus
Source: secalert@redhat.com

References

https://access.redhat.com/errata/RHSA-2023:2653Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:3108Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-2203Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2188543Issue Tracking, Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:2653Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:3108Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-2203Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2188543Issue Tracking, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.