A cookie management issue was addressed with improved state management.

Safari 18.1.1
Released November 19, 2024

• JavaScriptCore
  Available for: macOS Ventura and macOS Sonoma

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.
Description: The issue was addressed with improved checks.
WebKit Bugzilla: 283063
CVE-2024-44308: Clément Lecigne and Benoît Sevens of Google's Threat Analysis Group

• WebKit
  Available for: macOS Ventura and macOS Sonoma
  Impact: Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.
  Description: A cookie management issue was addressed with improved state management.
  WebKit Bugzilla: 283095
  CVE-2024-44309: Clément Lecigne and Benoît Sevens of Google's Threat Analysis Group