CVE-2026-52757

Ghidra before 12.1 contains a heap-use-after-free vulnerability in the decompiler's HighVariable::merge() function during the variable merging pass. Attackers can trigger this vulnerability by crafting a binary that causes stale pointers in the HighIntersectTest::highedgemap cache to be dereferenced, reading and writing the flags field of freed heap memory when a user opens the binary in Ghidra's decompiler view.

CVSS v3 4.4 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-8jqp-qv73-395r	Exploit Vendor Advisory
https://www.vulncheck.com/advisories/ghidra-heap-use-after-free-in-highvariable-merge-during-decompilation	Third Party Advisory
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-8jqp-qv73-395r	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:*

History

26 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Ghidra antes de 12.1 contiene una vulnerabilidad de uso después de liberación de heap en la función HighVariable::merge() del descompilador durante el paso de fusión de variables. Los atacantes pueden activar esta vulnerabilidad al crear un binario que provoca que se desreferencien punteros obsoletos en la caché HighIntersectTest::highedgemap, leyendo y escribiendo el campo ’flags’ de la memoria de heap liberada cuando un usuario abre el binario en la vista de descompilador de Ghidra.

Information

Published : 2026-06-10 14:16

Updated : 2026-10-26 11:10

NVD link : CVE-2026-52757

Mitre link : CVE-2026-52757

CVE.ORG link : CVE-2026-52757

JSON object : View

Products Affected

nsa

ghidra

CWE

CWE-416

Use After Free

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