Advisory Details

September 18th, 2025

Apple macOS OGG Audio File Header Parsing Memory Corruption Remote Code Execution Vulnerability

ZDI-25-900
ZDI-CAN-27407

CVE ID CVE-2025-43346
CVSS SCORE 8.8, AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Apple
AFFECTED PRODUCTS macOS
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple macOS. 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 parsing of OGG audio files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute 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-us/125110
DISCLOSURE TIMELINE
  • 2025-06-18 - Vulnerability reported to vendor
  • 2025-09-18 - Coordinated public release of advisory
  • 2025-09-18 - Advisory Updated
CREDIT Hossein Lotfi (@hosselot) of Trend Zero Day Initiative
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