This document describes the security content of Safari 18.5.
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released May 12, 2025
Available for: macOS Ventura and macOS Sonoma
Impact: A type confusion issue could lead to memory corruption
Description: This issue was addressed with improved handling of floats.
WebKit Bugzilla: 286694
CVE-2025-24213: Google V8 Security Team
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 289387
CVE-2025-31223: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs
WebKit Bugzilla: 289653
CVE-2025-31238: wac working with Trend Micro Zero Day Initiative
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
WebKit Bugzilla: 287577
CVE-2025-24223: rheza (@ginggilBesel) and an anonymous researcher
WebKit Bugzilla: 291506
CVE-2025-31204: Nan Wang(@eternalsakura13)
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: The issue was addressed with improved input validation.
WebKit Bugzilla: 289677
CVE-2025-31217: Ignacio Sanmillan (@ulexec)
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to an unexpected process crash
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 288814
CVE-2025-31215: Jiming Wang and Jikai Ren
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: A type confusion issue was addressed with improved state handling.
WebKit Bugzilla: 290834
CVE-2025-31206: an anonymous researcher
Available for: macOS Ventura and macOS Sonoma
Impact: A malicious website may exfiltrate data cross-origin
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 290992
CVE-2025-31205: Ivan Fratric of Google Project Zero
Available for: macOS Ventura and macOS Sonoma
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: This issue was addressed with improved memory handling.
WebKit Bugzilla: 290985
CVE-2025-31257: Juergen Schmied of Lynck GmbH
We would like to acknowledge @RenwaX23, Akash Labade, Narendra Bhati, Manager of Cyber Security at Suma Soft Pvt. Ltd, Pune (India) for their assistance.
We would like to acknowledge Mike Dougherty and Daniel White of Google Chrome and an anonymous researcher for their assistance.