CVE-2023-32373

webkitgtk: a use-after-free when processing maliciously crafted web content

Published Jun 23, 2023 CVSS 3.1 · 8.8 High EPSS 12.2% KEV · Listed
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-5427-1 webkit2gtk security update
EUVD EUVD EUVD-2023-36617 A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Ubuntu USN Ubuntu USN USN-6264-1 WebKitGTK vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00013}

epss

{'score': 0.00012}

Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2023-05-22'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 21, 2025, 11:05 PM
Reserved
May 8, 2023, 12:00 AM
Status
Analyzed
Published
Jun 23, 2023, 6:15 PM
Modified
Jun 17, 2026, 5:58 AM
Severity
Important
Public date
May 22, 2023, 12:00 AM