CVE-2026-52759
Published:June 10, 2026
Updated:June 28, 2026
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.
Affected Packages
https://github.com/NationalSecurityAgency/ghidra.git (GITHUB):
Affected version(s) >=Ghidra_10.2_build <Ghidra_12.1.1_buildFix Suggestion:
Update to version Ghidra_12.1.1_buildRelated Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.7
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Memory Allocation with Excessive Size Value
EPSS
Base Score:
0.15