CVEvulnerability

CVE-2025-24201

10.0 CRITICAL Known exploited Published 2025-03-11 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability — Apple Multiple Products

Apple iOS, iPadOS, macOS, and other Apple products contain an out-of-bounds write vulnerability in WebKit that may allow maliciously crafted web content to break out of Web Content sandbox. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Added to KEV: 2025-03-13
Remediation due: 2025-04-03
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes: https://support.apple.com/en-us/122281 ; https://support.apple.com/en-us/122283 ; https://support.apple.com/en-us/122284 ; https://support.apple.com/en-us/122285 ; ; https://nvd.nist.gov/vuln/detail/CVE-2025-24201

Status: Analyzed
Published: 2025-03-11
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses: CWE-787

Description

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.).

Affected configurations

• apple safari (< 18.3.1) • apple macos (>= 15.0 < 15.3.2) • apple visionos (< 2.3.2) • apple watchos (< 11.4) • apple ipados (>= 15.8 < 15.8.4) • apple ipados (>= 16.7 < 16.7.11) • apple ipados (>= 17.0 < 17.7.6) • apple ipados (>= 18.0 < 18.3.2) • apple iphone os (>= 15.8 < 15.8.4) • apple iphone os (>= 16.7 < 16.7.11) • apple iphone os (>= 17.0 < 18.3.2) • debian debian linux 11.0

Weakness · CWE (1)

CWE-787 Out-of-bounds Write weakness

References