CVE-2025-43457
Medium
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Apple Safari
PublishedNov 4, 2025
First seenNov 4, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- apple safari26.1 or later
- apple ipados26.1 or later
- apple iphone_os26.1 or later
- apple visionos26.1 or later
- apple watchos26.1 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2026:22136
- access.redhat.com/errata/RHSA-2026:10702
- access.redhat.com/errata/RHSA-2026:16056
- access.redhat.com/errata/RHSA-2026:13845
- access.redhat.com/errata/RHSA-2026:11814
- access.redhat.com/errata/RHSA-2026:19535
- access.redhat.com/errata/RHSA-2026:16695
- access.redhat.com/errata/RHSA-2026:14659
- access.redhat.com/errata/RHSA-2026:11329
- access.redhat.com/errata/RHSA-2026:9692
- access.redhat.com/errata/RHSA-2026:19206
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple safari | v < 26.1 | 26.1 |
| apple ipados | v < 26.1 | 26.1 |
| apple iphone_os | v < 26.1 | 26.1 |
| apple visionos | v < 26.1 | 26.1 |
| apple watchos | v < 26.1 | 26.1 |
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