---
id: CVE-2026-71222
title: A heap out-of-bounds read vulnerability was found in gfs2-utils
summary: >-
  A heap out-of-bounds read vulnerability was found in gfs2-utils. The
  ea_num_ptrs field from on-disk extended attribute metadata is consumed without
  bounds validation, causing a heap buffer over-read that may disclose sensitive
  memory con…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L'
cwe:
  - CWE-125
vendor: redhat
product: enterprise_linux
affected:
  - enterprise_linux = 7.0
  - enterprise_linux = 8.0
  - enterprise_linux = 9.0
published: '2026-09-03'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T16:37:22.450'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-71222'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-71222'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2511399'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.0014
epssPercentile: 0.02713
ingestedAt: '2026-09-05T20:44:35.674Z'
---

## Overview

A heap out-of-bounds read vulnerability was found in gfs2-utils. The ea_num_ptrs field from on-disk extended attribute metadata is consumed without bounds validation, causing a heap buffer over-read that may disclose sensitive memory contents or cause a crash when processing crafted GFS2 filesystem images.

## Affected

- `enterprise_linux = 7.0`
- `enterprise_linux = 8.0`
- `enterprise_linux = 9.0`

## Remediation

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