---
gem: nokogiri
cve: 2017-5029
url: https://github.com/sparklemotion/nokogiri/issues/1634
title: Nokogiri gem contains two upstream vulnerabilities in libxslt 1.1.29
date: 2017-05-09
description: |
    nokogiri version 1.7.2 has been released.

    This is a security update based on 1.7.1, addressing two upstream
    libxslt 1.1.29 vulnerabilities classified as "Medium" by Canonical 
    and given a CVSS3 score of "6.5 Medium" and "8.8 High" by RedHat.

    These patches only apply when using Nokogiri's vendored libxslt
    package. If you're using your distro's system libraries, there's no
    need to upgrade from 1.7.0.1 or 1.7.1 at this time.

    Full details are available at the github issue linked to in the
    changelog below.

    -----

    # 1.7.2 / 2017-05-09

    ## Security Notes

    [MRI] Upstream libxslt patches are applied to the vendored libxslt
    1.1.29 which address CVE-2017-5029 and CVE-2016-4738.

    For more information:

    * https://github.com/sparklemotion/nokogiri/issues/1634
    * http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-5029.html
    * http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4738.html

patched_versions:
  - ">= 1.7.2"
related:
  cve:
    - 2016-4738
    - 2017-5029
  url:
    - http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-5029.html
    - http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4738.html