Vulnerability · Published May 17, 2023 · Assigned by redhat

CVE-2023-2203

High 8.8

In plain English

A high-severity use-after-free in WebKitGTK. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 39.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.38.5-1.el8_8.3ALSA-2023:3108
AlmaLinux:9webkit2gtk32.38.5-1.el9_2.1ALSA-2023:2653
AlmaLinux:8webkit2gtk3-devel2.38.5-1.el8_8.3ALSA-2023:3108
AlmaLinux:9webkit2gtk3-devel2.38.5-1.el9_2.1ALSA-2023:2653
AlmaLinux:8webkit2gtk3-jsc2.38.5-1.el8_8.3ALSA-2023:3108
AlmaLinux:9webkit2gtk3-jsc2.38.5-1.el9_2.1ALSA-2023:2653
AlmaLinux:8webkit2gtk3-jsc-devel2.38.5-1.el8_8.3ALSA-2023:3108
AlmaLinux:9webkit2gtk3-jsc-devel2.38.5-1.el9_2.1ALSA-2023:2653
Rocky Linux:8webkit2gtk30:2.38.5-1.el8_8.3RLSA-2023:3108

Affected products (as reported)

VendorProductVersions
n/a WebKitGTK Affects webkit2gtk3 v2.38.5-1.el8 and webkit2gtk3 v2.38.5-1.el9, Fixed in webkit2gtk3 v2.38.5-1.el8_8.3 and webkit2gtk3 v2.38.5-1.el9_2.1

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References