---
id: CVE-2026-115398
title: Ghidra before 12.2 Denial of Service via TAR and ZIP File System Mount
summary: >-
  Ghidra before 12.2 contains a resource allocation without limits vulnerability
  in FileSystemIndexHelper used by TarFileSystem and ZipFileSystem, which store
  unbounded archive entries. Attackers can persuade a user to open or
  batch-import…
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: '2026-10-22T19:14:03.058Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115398'
references:
  - url: >-
      https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-vvp8-22p8-x954
    label: GitHub Security Advisory (GHSA-vvp8-22p8-x954)
  - url: >-
      https://github.com/NationalSecurityAgency/ghidra/commit/061ec06a79f4147267f6fc690b0dcf944b2d4957
  - 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-tar-and-zip-file-system-mount
    label: >-
      VulnCheck Advisory: Ghidra before 12.2 Denial of Service via TAR and ZIP
      File System Mount
tags:
  - cve.org
ingestedAt: '2026-10-22T22:00:50.410Z'
---

## Overview

Ghidra before 12.2 contains a resource allocation without limits vulnerability in FileSystemIndexHelper used by TarFileSystem and ZipFileSystem, which store unbounded archive entries. Attackers can persuade a user to open or batch-import a crafted TAR or ZIP archive with excessive entries to exhaust the Java heap and hang the session.

## Affected

- `ghidra < 12.2`

## Remediation

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