Home/CVE/Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
CVE

CVE-2025-24201

Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability

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.).

CRITICAL · CVSS 10 ⚠ CISA KEV EPSS 0.0021
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

12
apple safari< 18.3.1
apple macos>= 15.0 and < 15.3.2
apple visionos< 2.3.2
apple watchos< 11.4
apple ipados>= 15.8 and < 15.8.4
apple ipados>= 16.7 and < 16.7.11
apple ipados>= 17.0 and < 17.7.6
apple ipados>= 18.0 and < 18.3.2
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Mar 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2025:15531-1
suse-csafSUSE-SU-2025:02973-1
suse-csafSUSE-SU-2025:02777-1
suse-csafSUSE-SU-2025:02765-1
suse-csafSUSE-SU-2025:02766-1
🔗

References & Sources

14
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/en-us/122284Release NotesVendor Advisory
http://seclists.org/fulldisclosure/2025/Apr/16Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2025/Apr/7Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2025/Jun/19Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2025/Mar/2Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2025/Mar/3Mailing ListThird Party Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin