CVE-2023-2203: redhat enterprise_linux Use After Free
Vulnerability summary
CVE-2023-2203 is a high (CVSS 8.8) Use After Free vulnerability in redhat enterprise_linux. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60.8% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 17-05-2023PublishedVulnerability first disclosed.
- 22-01-2025Last modifiedVulnerability information updated.
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 metrics
4 scores · 4 sources · 1 version- OSV · Red hatEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.93%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.93% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat13 products
- enterprise_linux8.0 | 9.0
- enterprise_linux_eus8.8 | 9.2
- enterprise_linux_server_aus8.8 | 9.2
- enterprise_linux_server_tus8.8
- webkit2gtk3< 0:2.38.5-1.el9_2.1 | < 0:2.38.5-1.el8_8.3
Ubuntu1 product
- webkit2gtkAll versions (No fix recorded)
Webkitgtk1 product
- webkit2gtk32.38.5-1.el8 | 2.38.5-1.el9
3 vendors · 15 products
