Advisory Details

September 18th, 2025

Apple Safari IPC Connection Invalidation Use-After-Free Information Disclosure Vulnerability

ZDI-25-901
ZDI-CAN-27586

CVE ID CVE-2025-43368
CVSS SCORE 4.3, AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS Apple
AFFECTED PRODUCTS Safari
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple Safari. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handling of IPC connection invalidation. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-ca/125113
DISCLOSURE TIMELINE
  • 2025-07-22 - Vulnerability reported to vendor
  • 2025-09-18 - Coordinated public release of advisory
  • 2025-09-18 - Advisory Updated
CREDIT Pawel Wylecial of REDTEAM.PL
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