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Fencer Vulns
high 8.8

CVE-2017-15412 json

Nokogiri gem, via libxml, is affected by DoS vulnerabilities

published 2018-08-28 8 y ago modified 2026-06-17 4 mo ago also GHSA-r58r-74gx-6wx3 , EUVD-2022-5094

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Use after free in libxml2 before 2.9.5, as used in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Patch / fix

  • rubygems nokogiri 1.8.2
  • google chrome 63.0.3239.84
  • xmlsoft libxml2 2.9.5
  • libxml2 Debian 14, Debian 13, Debian 12 2.9.4+dfsg1-5.2

debian advisories DEBIAN-CVE-2017-15412

  • libxml2 Ubuntu 14.04 LTS 2.9.1+dfsg1-3ubuntu4.12
  • libxml2 Ubuntu 16.04 LTS 2.9.3+dfsg1-1ubuntu0.5
  • libxml2 Ubuntu 18.04 LTS 2.9.4+dfsg1-6.1ubuntu1
  • chromium-browser Ubuntu 14.04 LTS 63.0.3239.84-0ubuntu0.14.04.1
  • chromium-browser Ubuntu 16.04 LTS 63.0.3239.84-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 63.0.3239.84-0ubuntu1

ubuntu advisories UBUNTU-CVE-2017-15412

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libxml2 RHEL 7 2.9.1-6.el7.4
  • libxml2-python RHEL 7 2.9.1-6.el7.4
  • chromium-browser RHEL 6 EXTRAS 63.0.3239.84-1.el6_9

red hat advisories RHSA-2020:1190RHSA-2017:3401

  • libxml2 SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +6 more 2.9.4-46.12.1
  • python-libxml2 SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +4 more 2.9.4-46.12.1
  • libxml2 SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 2.7.6-0.77.10.1
  • libxml2-python SLES for SAP 11 SP4, SLES 11 SP4 2.7.6-0.77.10.1

suse advisories SUSE-SU-2018:0401-1SUSE-SU-2018:0395-1

  • rubygem-nokogiri openSUSE Tumbleweed 1.18.9-1.4
  • rubygem-nokogiri openSUSE Tumbleweed 1.18.2-1.1
  • rubygem-nokogiri openSUSE Tumbleweed 1.15.5-1.5
  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • rubygem-nokogiri openSUSE Tumbleweed 1.13.3-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • ruby3.2-rubygem-nokogiri openSUSE Tumbleweed 1.13.9-1.7
  • chromium Package Hub 12 SP2 63.0.3239.84-40.1

opensuse advisories openSUSE-SU-2026:10356-1openSUSE-SU-2025:14697-1openSUSE-SU-2024:14174-1openSUSE-SU-2024:10681-1openSUSE-SU-2024:11912-1openSUSE-SU-2024:12948-1

  • chromium Arch Linux 63.0.3239.84-1

arch linux advisories AVG-544

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-15412 updated cvss 8.8

libxml2: Use after free in xmlXPathCompOpEvalPositionalPredicate() function in xpath.c

  • Red Hat Enterprise Linux 6 libxml2, libxml2-python
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 mingw-libxml2, mingw32-libxml2, mingw64-libxml2
    affected: no fix available
  • Red Hat JBoss Enterprise Web Server 3 libxml2
    affected: no fix planned “Will not fix”
  • Red Hat Ansible Tower 3.5 for RHEL 7 Server ansible-tower-35/ansible-tower 3.5.6-1
    fixed: vendor fix RHBA-2020:1539
  • Red Hat Ansible Tower 3.6 for RHEL 7 ansible-tower-36/ansible-tower 3.6.4-1
    fixed: vendor fix RHBA-2020:1540
  • Red Hat Enterprise Linux Client (v. 7) libxml2 2.9.1-6.el7.4, libxml2-python 2.9.1-6.el7.4 Red Hat Enterprise Linux Client Optional (v. 7) libxml2-devel 2.9.1-6.el7.4, libxml2-static 2.9.1-6.el7.4, libxml2-debuginfo 2.9.1-6.el7.4 Red Hat Enterprise Linux ComputeNode (v. 7) libxml2 2.9.1-6.el7.4, libxml2-python 2.9.1-6.el7.4 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libxml2-devel 2.9.1-6.el7.4, libxml2-static 2.9.1-6.el7.4, libxml2-debuginfo 2.9.1-6.el7.4
    fixed: vendor fix RHSA-2020:1190
  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 63.0.3239.84-1.el6_9
    fixed: vendor fix RHSA-2017:3401
  • Red Hat Enterprise Linux Server (v. 7) libxml2 2.9.1-6.el7.4, libxml2-python 2.9.1-6.el7.4 Red Hat Enterprise Linux Server Optional (v. 7) libxml2-static 2.9.1-6.el7.4, libxml2-debuginfo 2.9.1-6.el7.4
    fixed: vendor fix RHSA-2020:1190
show 5 more
  • Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 63.0.3239.84-1.el6_9
    fixed: vendor fix RHSA-2017:3401
  • Red Hat Enterprise Linux Workstation (v. 7) libxml2 2.9.1-6.el7.4, libxml2-python 2.9.1-6.el7.4 Red Hat Enterprise Linux Workstation Optional (v. 7) libxml2-static 2.9.1-6.el7.4, libxml2-debuginfo 2.9.1-6.el7.4
    fixed: vendor fix RHSA-2020:1190
  • Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 63.0.3239.84-1.el6_9
    fixed: vendor fix RHSA-2017:3401
  • Red Hat JBoss Core Services
    fixed: vendor fix RHSA-2018:0287
  • Red Hat Enterprise Linux 8 libxml2, python3-libxml2
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.94% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
rubygems nokogiri
<1.8.2
1.8.2

Affected products

  • n/a Google Chrome prior to 63.0.3239.84 unknown

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.