---
id: CVE-2019-5094
title: >-
  An exploitable code execution vulnerability exists in the quota file
  functionality of E2fsprogs 1.45.3
summary: >-
  An exploitable code execution vulnerability exists in the quota file
  functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can
  cause an out-of-bounds write on the heap, resulting in code execution. An
  attacker can corrupt…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-787
  - CWE-787
  - CWE-787
vendor: e2fsprogs_project
product: e2fsprogs
affected:
  - 'e2fsprogs >= 1.43.3, <= 1.45.3'
  - debian_linux = 8.0
  - debian_linux = 9.0
  - debian_linux = 10.0
  - fedora = 30
  - fedora = 31
  - ubuntu_linux = 12.04
  - ubuntu_linux = 14.04
  - ubuntu_linux = 16.04
  - ubuntu_linux = 18.04
  - ubuntu_linux = 19.04
  - hci_management_node
  - solidfire
published: '2019-09-24'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T07:16:53.847'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2019-5094'
references:
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00029.html'
    label: talos-cna@cisco.com
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2AKETJ6BREDUHRWQTV35SPGG5C6H7KSI/
    label: talos-cna@cisco.com
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DOBCYQKCTTWXBLMUPJ5TX3FY7JNCOKY/
    label: talos-cna@cisco.com
  - url: 'https://seclists.org/bugtraq/2019/Sep/58'
    label: talos-cna@cisco.com
  - url: 'https://security.gentoo.org/glsa/202003-05'
    label: talos-cna@cisco.com
  - url: 'https://security.netapp.com/advisory/ntap-20200115-0002/'
    label: talos-cna@cisco.com
  - url: 'https://talosintelligence.com/vulnerability_reports/TALOS-2019-0887'
    label: talos-cna@cisco.com
  - url: 'https://usn.ubuntu.com/4142-1/'
    label: talos-cna@cisco.com
  - url: 'https://usn.ubuntu.com/4142-2/'
    label: talos-cna@cisco.com
  - url: 'https://www.debian.org/security/2019/dsa-4535'
    label: talos-cna@cisco.com
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00029.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2AKETJ6BREDUHRWQTV35SPGG5C6H7KSI/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DOBCYQKCTTWXBLMUPJ5TX3FY7JNCOKY/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://seclists.org/bugtraq/2019/Sep/58'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.gentoo.org/glsa/202003-05'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20200115-0002/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://talosintelligence.com/vulnerability_reports/TALOS-2019-0887'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://usn.ubuntu.com/4142-1/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://usn.ubuntu.com/4142-2/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.debian.org/security/2019/dsa-4535'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-398330.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
epss: 0.01105
epssPercentile: 0.64918
ingestedAt: '2026-10-14T07:21:04.820Z'
---

## Overview

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

## Affected

- `e2fsprogs >= 1.43.3, <= 1.45.3`
- `debian_linux = 8.0`
- `debian_linux = 9.0`
- `debian_linux = 10.0`
- `fedora = 30`
- `fedora = 31`
- `ubuntu_linux = 12.04`
- `ubuntu_linux = 14.04`
- `ubuntu_linux = 16.04`
- `ubuntu_linux = 18.04`
- `ubuntu_linux = 19.04`
- `hci_management_node`
- `solidfire`

## Remediation

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