---
id: CVE-2017-7375
title: >-
  A flaw in libxml2 allows remote XML entity inclusion with default parser flags
  (i.e., when the caller did not request entity substitution, DTD validation,
  external DTD subset loading, or default DTD attributes)
summary: >-
  A flaw in libxml2 allows remote XML entity inclusion with default parser flags
  (i.e., when the caller did not request entity substitution, DTD validation,
  external DTD subset loading, or default DTD attributes). Depending on the
  context,…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-611
  - CWE-611
vendor: xmlsoft
product: libxml2
affected:
  - libxml2 <= 2.9.4
  - debian_linux = 7.0
  - debian_linux = 8.0
  - debian_linux = 9.0
  - android = 4.4.4
  - android = 5.0.2
  - android = 5.1.1
  - android = 6.0
  - android = 6.0.1
  - android = 7.0
  - android = 7.1.1
  - android = 7.1.2
  - libxml2 = 2.9.4
published: '2018-02-19'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T07:16:40.303'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2017-7375'
references:
  - url: 'http://www.securityfocus.com/bid/98877'
    label: cve@mitre.org
  - url: 'http://www.securitytracker.com/id/1038623'
    label: cve@mitre.org
  - url: >-
      https://android.googlesource.com/platform/external/libxml2/+/308396a55280f69ad4112d4f9892f4cbeff042aa
    label: cve@mitre.org
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1462203'
    label: cve@mitre.org
  - url: >-
      https://git.gnome.org/browse/libxml2/commit/?id=90ccb58242866b0ba3edbef8fe44214a101c2b3e
    label: cve@mitre.org
  - url: 'https://security.gentoo.org/glsa/201711-01'
    label: cve@mitre.org
  - url: 'https://source.android.com/security/bulletin/2017-06-01'
    label: cve@mitre.org
  - url: 'https://www.debian.org/security/2017/dsa-3952'
    label: cve@mitre.org
  - url: 'http://www.securityfocus.com/bid/98877'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securitytracker.com/id/1038623'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://android.googlesource.com/platform/external/libxml2/+/308396a55280f69ad4112d4f9892f4cbeff042aa
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1462203'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://git.gnome.org/browse/libxml2/commit/?id=90ccb58242866b0ba3edbef8fe44214a101c2b3e
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.gentoo.org/glsa/201711-01'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://source.android.com/security/bulletin/2017-06-01'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.debian.org/security/2017/dsa-3952'
    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: 0.02591
epssPercentile: 0.84904
ingestedAt: '2026-10-14T07:21:04.798Z'
---

## Overview

A flaw in libxml2 allows remote XML entity inclusion with default parser flags (i.e., when the caller did not request entity substitution, DTD validation, external DTD subset loading, or default DTD attributes). Depending on the context, this may expose a higher-risk attack surface in libxml2 not usually reachable with default parser flags, and expose content from local files, HTTP, or FTP servers (which might be otherwise unreachable).

## Affected

- `libxml2 <= 2.9.4`
- `debian_linux = 7.0`
- `debian_linux = 8.0`
- `debian_linux = 9.0`
- `android = 4.4.4`
- `android = 5.0.2`
- `android = 5.1.1`
- `android = 6.0`
- `android = 6.0.1`
- `android = 7.0`
- `android = 7.1.1`
- `android = 7.1.2`
- `libxml2 = 2.9.4`

## Remediation

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