Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-2203

27
FAUCET Score

CVE-2023-2203 is a high-severity use-after-free vulnerability in WebKitGTK, specifically affecting Red Hat Enterprise Linux 8.8 and 9.2, stemming from a regression of CVE-2023-28205. This flaw allows attackers with network access to trigger a denial of service or arbitrary code execution by providing specially crafted web content. With a CVSS score of 8.8 (High), it requires low privileges and no user interaction, posing a significant risk to confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
2.38.5-1.el8CPE matchmatch criteria
cpe:2.3:a:webkitgtk:webkit2gtk3:2.38.5-1.el8:*:*:*:*:*:*:*
2.38.5-1.el9CPE matchmatch criteria
cpe:2.3:a:webkitgtk:webkit2gtk3:2.38.5-1.el9:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
8.8CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_eus:8.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.93%
Probability of exploitation in next 30 days
EPSS Percentile
57.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0093 is in the 52nd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.38.5-1.el8_8.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: webkit2gtk3-0:2.38.5-1.el9_2.1
View patch

Vendor Advisories (1)

redhatCVE-2023-2203Important

webkitgtk: Regression of CVE-2023-28205 fixes in the Red Hat Enterprise Linux

May 9, 2023

References

access.redhat.com / errata/RHSA-2023:2653
Third Party Advisory
access.redhat.com / errata/RHSA-2023:3108
Third Party Advisory
access.redhat.com / security/cve/CVE-2023-2203
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory