CVE-2026-43658
High · 7.5CVSS
7.5
EPSS
0.5%
Published
May 11, 2026
CISA due date
—
The record
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| openSUSE:Leap 16.0 | webkit2gtk3 | 0 | 2.52.4-160000.1.1 |
| openSUSE:Leap 16.0 | webkit2gtk3-soup2 | 0 | 2.52.4-160000.1.1 |
| openSUSE:Leap 16.0 | webkit2gtk4 | 0 | 2.52.4-160000.1.1 |
Related vulnerabilities
- CVE-2026-43660 A validation issue was addressed with improved logic. Also affects webkit2gtk3
- CVE-2026-28953 The issue was addressed with improved memory handling. Also affects webkit2gtk3
- CVE-2026-28955 The issue was addressed with improved memory handling. Also affects webkit2gtk3
- CVE-2026-28958 This issue was addressed with improved data protection. Also affects webkit2gtk3
- CVE-2026-28942 A use-after-free issue was addressed with improved memory management. Also affects webkit2gtk3
- CVE-2026-28947 A use-after-free issue was addressed with improved memory management. Also affects webkit2gtk3
- CVE-2026-28946 A use-after-free issue was addressed with improved memory management. Also affects webkit2gtk3
- CVE-2026-28904 The issue was addressed with improved memory handling. Also affects webkit2gtk3