CVE-2026-28955
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, 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 process crash.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: product-security@apple.com — https://support.apple.com/en-us/127120
Vendor advisory: product-security@apple.com — https://support.apple.com/en-us/127119
Vendor advisory: apple — https://support.apple.com/en-us/127118
Vendor advisory: apple — https://support.apple.com/en-us/127115
Vendor advisory: apple — https://support.apple.com/en-us/127111
Vendor advisory: apple — https://support.apple.com/en-us/127110
Vendor advisory: apple — https://support.apple.com/en-us/127121
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| safari | 26.5 | fixed | |
| ios | 26.5 | fixed | |
| ios | 18.7.9 | fixed | |
| macos | 26.5 | fixed | |
| tvos | 26.5 | fixed | |
| macos | affected | 18.7.9 |
References
- https://support.apple.com/en-us/127121
- https://support.apple.com/en-us/127110
- https://support.apple.com/en-us/127111
- https://support.apple.com/en-us/127115
- https://support.apple.com/en-us/127118
- https://support.apple.com/en-us/127119
- https://support.apple.com/en-us/127120
- https://www.zerodayinitiative.com/advisories/ZDI-26-312/
CWEs
CWE-119
Verify integrity in audit chain (admin only). AS-IS.