CVE-2026-52759

MEDIUM CVSS 4.0: 6.7 EPSS 0.16%
Updated Jun 17, 2026
Nsa
Parameter Value
CVSS 6.7 (MEDIUM)
Affected Versions before 12.1.1
Fixed In 12.1.1
Type CWE-789
Vendor Nsa
Public PoC No

Ghidra before 12.1.1 contains an uncontrolled memory allocation vulnerability in the Mach-O binary parser that allows attackers to cause denial of service. An attacker can supply a crafted Mach-O binary with an arbitrarily large ncmds load command count value, forcing the parser to allocate excessive heap memory without validating file size, crashing the Ghidra JVM.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Nsa Ghidra
cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:*
— 12.1.1