CVE-2025-24201 — Safari — Fixed in 18.3.1 (+ other fixes)
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).
Fixed versions
Choose the version for your installed product and release branch.
| Product | Fixed versions |
|---|---|
| Safari | 18.3.1 |
| iOS | 15.8.4 / 16.7.11 / 18.3.2 |
| iPadOS | 15.8.4 / 16.7.11 / 18.3.2 / 17.7.6 |
| macOS Sequoia | 15.3.2 |
| visionOS | 2.3.2 |
| watchOS | 11.4 |
Actively exploited
- In the CISA exploited-vulnerabilities catalogue since Mar 13, 2025
- US federal agencies must remediate it by Apr 3, 2025 (BOD 22-01)
- Attacked 1 day before the vulnerability was made public
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Source: CISA KEV · Apr 10, 2026 Jan 20, 2026 Dec 11, 2025 Mar 31, 2025 Mar 31, 2025 Mar 13, 2025
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HAffected products
| Vendors | Product | Versions |
|---|---|---|
| apple | safari | < 18.3.1 |
| apple | macos | < 15.3.2 |
| apple | visionos | < 2.3.2 |
| apple | watchos | < 11.4 |
| apple | ipados | < 15.8.4 |
| apple | iphone os | < 15.8.4 |
| debian | debian linux | 11.0 |
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This product uses the NVD API but is not endorsed or certified by the NVD.