---
id: CVE-2026-115397
title: Ghidra before 12.2 Denial of Service via Extension Archive Install
summary: >-
  Ghidra before 12.2 contains a resource allocation without limits vulnerability
  in ExtensionUtils.unzipToInstallationFolder() that extracts every extension
  ZIP entry without limiting file count. Attackers who persuade a user to
  install a …
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-770
vendor: NationalSecurityAgency
product: ghidra
affected:
  - ghidra < 12.2
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T19:14:02.326Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115397'
references:
  - url: >-
      https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-j5q9-fhqg-q995
    label: GitHub Security Advisory (GHSA-j5q9-fhqg-q995)
  - url: >-
      https://github.com/NationalSecurityAgency/ghidra/commit/7cb4e778efb69acb1919f841ad46d0da36e77eeb
  - url: >-
      https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
    label: ghidra Ghidra_12.2_build Release Notes
  - url: 'https://github.com/NationalSecurityAgency/ghidra'
  - url: >-
      https://www.vulncheck.com/advisories/ghidra-before-12.2-denial-of-service-via-extension-archive-install
    label: >-
      VulnCheck Advisory: Ghidra before 12.2 Denial of Service via Extension
      Archive Install
tags:
  - cve.org
ingestedAt: '2026-10-22T22:00:50.408Z'
---

## Overview

Ghidra before 12.2 contains a resource allocation without limits vulnerability in ExtensionUtils.unzipToInstallationFolder() that extracts every extension ZIP entry without limiting file count. Attackers who persuade a user to install a crafted extension archive with many files can exhaust filesystem inodes, causing project writes and other processes to fail.

## Affected

- `ghidra < 12.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.