CVE-2026-43716

webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash

Published Jun 29, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6398-1 webkit2gtk security update
Ubuntu USN Ubuntu USN USN-8703-1 WebKitGTK vulnerabilities
History
Type Values Removed Values Added
Title Safari and iOS Crash from Malformed Web Content webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Apple safari
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple safari
Type Values Removed Values Added
Title Safari and iOS Crash from Malformed Web Content
Type Values Removed Values Added
Title Safari, iOS, iPadOS, and macOS crash from insecure memory handling of malicious web content
Weaknesses CWE-120
Type Values Removed Values Added
Title Safari, iOS, iPadOS, and macOS crash from insecure memory handling of malicious web content
Weaknesses CWE-119
CWE-120
CWE-416
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

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

Type Values Removed Values Added
Description The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Jul 27, 2026, 8:15 PM
Reserved
May 1, 2026, 10:46 PM
Status
Analyzed
Published
Jun 29, 2026, 8:17 PM
Modified
Jun 30, 2026, 7:14 PM
Severity
Moderate
Public date
Jul 10, 2026, 12:00 AM