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…

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.).

Scores

EPSS (exploitation in 30 days)

3.8% · top 9.8% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: active · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 10.0.

Weakness

• 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.)
• CWE-787 Out-of-bounds Write (opens in a new tab)All about CWE-787 and its CVEs

Affected products

• Apple · Safari

  • affected < 18.3.1

• Apple · iOS and iPadOS

  • affected < 15.8.4
  • affected < 16.7.11
  • affected < 18.3.2

• Apple · iPadOS

  • affected < 17.7.6

• Apple · macOS

  • affected < 15.3.2

• Apple · visionOS

  • affected < 2.3.2

• Apple · watchOS

  • affected < 11.4

References (21)

• https://support.apple.com/en-us/122281 (opens in a new tab)
• https://support.apple.com/en-us/122283 (opens in a new tab)
• https://support.apple.com/en-us/122284 (opens in a new tab)
• https://support.apple.com/en-us/122285 (opens in a new tab)
• https://support.apple.com/en-us/122345 (opens in a new tab)
• https://support.apple.com/en-us/122346 (opens in a new tab)
• https://support.apple.com/en-us/122372 (opens in a new tab)
• https://support.apple.com/en-us/122376 (opens in a new tab)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201 (opens in a new tab)government-resource
• http://seclists.org/fulldisclosure/2025/Mar/2 (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Mar/3 (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Mar/4 (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Mar/5 (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Apr/16 (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Oct/31 (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Oct/1 (opens in a new tab)
• https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Jun/19 (opens in a new tab)
• http://seclists.org/fulldisclosure/2025/Apr/7 (opens in a new tab)
• https://github.com/JGoyd/Glass-Cage-iOS18-CVE-2025-24085-CVE-2025-24201 (opens in a new tab)
• https://github.com/cisagov/vulnrichment/issues/194 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• CISA KEV catalog (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2025-24201](https://trackcve.app/badge/CVE-2025-24201.svg)](https://trackcve.app/cve/CVE-2025-24201)

Record last updated 2 Apr 2026, 18:10 UTC.