---
id: CVE-2026-115503
title: Ghidra before 12.2 Denial of Service via Compressed Extension Archive
summary: >-
  Ghidra before 12.2 contains an improper handling of highly compressed data
  vulnerability in ExtensionUtils.unzipToInstallationFolder() that allows
  attackers to exhaust disk space. Attackers can persuade users to install a
  crafted zip bom…
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-409
vendor: NationalSecurityAgency
product: ghidra
affected:
  - ghidra < 12.2
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T19:14:03.831Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115503'
references:
  - url: >-
      https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-mcjr-7qqr-m3w8
    label: GitHub Security Advisory (GHSA-mcjr-7qqr-m3w8)
  - url: >-
      https://github.com/NationalSecurityAgency/ghidra/commit/2c2bc5be182d655c9df418ac35b9782f39b6a784
  - 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-compressed-extension-archive
    label: >-
      VulnCheck Advisory: Ghidra before 12.2 Denial of Service via Compressed
      Extension Archive
tags:
  - cve.org
ingestedAt: '2026-10-22T22:00:50.409Z'
---

## Overview

Ghidra before 12.2 contains an improper handling of highly compressed data vulnerability in ExtensionUtils.unzipToInstallationFolder() that allows attackers to exhaust disk space. Attackers can persuade users to install a crafted zip bomb extension archive that expands without size limits, causing later writes by Ghidra and other applications to fail.

## Affected

- `ghidra < 12.2`

## Remediation

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