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6.5

macOS Golden Gate may crash when opening malicious disk image

CVE-2026-113943 · published 9 days ago
Summary

If a user mounts a specially crafted disk image on macOS Golden Gate, the system could stop unexpectedly or damage core memory. The problem is corrected in version 27.2. Update the operating system to the latest version and avoid opening unknown disk images until you have applied the update.

What to do
  • Update apple macos to version 27.2 or later.
Affected software
VendorProductAffected versions
apple macos < 27.2
Original advisory text
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2. Mounting a maliciously crafted disk image may cause unexpected system termin...
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published26 Oct 2026
Updated4 Nov 2026
First seen26 Oct 2026
Sources
CVE-2026-113943 · NVD
CVE-2026-113943 · MITRE
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