CVE-2025-24188
Apple Safari vulnerability analysis and mitigation

Overview

A logic issue in Safari and macOS Sequoia was discovered and addressed with improved checks. The vulnerability (CVE-2025-24188) was reported by Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs and fixed in Safari 18.6 and macOS Sequoia 15.6, released on July 29-30, 2025. The vulnerability affects Safari browser and macOS Sequoia operating system (Apple Support, Apple Support).

Technical details

The vulnerability is characterized as a logic issue that could lead to an unexpected Safari crash when processing maliciously crafted web content. The issue received a CVSS 3.1 Base Score of 6.5 (MEDIUM) with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The vulnerability is classified under CWE-703 (Improper Check or Handling of Exceptional Conditions) (NVD).

Impact

When exploited, the vulnerability can lead to an unexpected Safari crash when processing maliciously crafted web content. This primarily affects the availability of the Safari browser, with no reported impacts on confidentiality or integrity (Apple Support).

Mitigation and workarounds

Apple has addressed this vulnerability by implementing improved checks in Safari 18.6 and macOS Sequoia 15.6. Users are advised to update to these versions to mitigate the risk (Apple Support, Apple Support).

Additional resources


SourceThis report was generated using AI

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