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TI-2023-02066 Aliases CVE-2023-2203GHSA-p2w5-xch3-v6pv

Use after free in WebKitGTK

Priority MEDIUM 42CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00934 60th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—WebKitGTKAffects 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—No fix listedCNA
  • WebKitGTK Vendor— Affected 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 Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:webkitgtk:webkit2gtk3:2.38.5-1.el8:*:*:*:*:*:*:*2.38.5-1.el8VulnerableWebKitGTK
cpe:2.3:a:webkitgtk:webkit2gtk3:2.38.5-1.el9:*:*:*:*:*:*:*2.38.5-1.el9VulnerableWebKitGTK
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:8.8:*:*:*:*:*:*:*8.8VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:*9.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.8:*:*:*:*:*:*:*8.8VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:9.2:*:*:*:*:*:*:*9.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:*8.8VulnerableRed Hat
  • cpe:2.3:a:webkitgtk:webkit2gtk3:2.38.5-1.el8:*:*:*:*:*:*:* Versions 2.38.5-1.el8 Vulnerable ·WebKitGTK
  • cpe:2.3:a:webkitgtk:webkit2gtk3:2.38.5-1.el9:*:*:*:*:*:*:* Versions 2.38.5-1.el9 Vulnerable ·WebKitGTK
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:8.8:*:*:*:*:*:*:* Versions 8.8 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:* Versions 9.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:8.8:*:*:*:*:*:*:* Versions 8.8 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:9.2:*:*:*:*:*:*:* Versions 9.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:* Versions 8.8 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2023:3108 Released 2023-05-16 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.38.5-1.el8_8.3, webkit2gtk3-devel-2.38.5-1.el8_8.3, webkit2gtk3-jsc-2.38.5-1.el8_8.3 +1
  • RHSA-2023:2653 Released 2023-05-09 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.38.5-1.el9_2.1, webkit2gtk3-devel-2.38.5-1.el9_2.1, webkit2gtk3-jsc-2.38.5-1.el9_2.1 +1

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:3108
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2653
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-2203
  2. 2026-10-03 Alias added: GHSA-p2w5-xch3-v6pv

References

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences