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TI-2018-10333 Aliases CVE-2018-14404GHSA-6qvp-r6r3-9p7h

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval()…

Priority LOW 35CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 16 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-476.

Summary

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03748 89th percentileScored 2026-11-07
Fix Partial nokogiri (RubyGems): 1.8.5Red Hat: 3 advisoriesRed Hat: 16 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—nokogiri (RubyGems)before 1.8.51.8.5Patch availableGHSA-6qvp-r6r3-9p7h
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • nokogiri (RubyGems) Vendor— Affected before 1.8.5 Fixed in 1.8.5 Patch available GHSA-6qvp-r6r3-9p7h

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:-:*:*:*:*:*:*:*not specified by NVDVulnerableDebian
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*up to 2.9.8Vulnerablexmlsoft
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Debian
  • cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* Versions up to 2.9.8 Vulnerable ·xmlsoft

Remediation

  • Fix · GHSA-6qvp-r6r3-9p7h nokogiri (RubyGems) Fixed in 1.8.5 Advisory →

Red Hat 3 advisories

  • RHSA-2020:1827 Released 2020-04-28 · Red Hat rating Moderate
    libxml2 security update
    • Red Hat Enterprise Linux AppStream (v. 8) libxml2-devel-2.9.7-7.el8
    • Red Hat Enterprise Linux BaseOS (v. 8) libxml2-2.9.7-7.el8, python3-libxml2-2.9.7-7.el8
  • RHSA-2020:1190 Released 2020-03-31 · Red Hat rating Moderate
    libxml2 security update
    • 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
    • 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
    • Red Hat Enterprise Linux Server (v. 7) libxml2-2.9.1-6.el7.4, libxml2-2.9.1-6.el7.4.ppc, libxml2-devel-2.9.1-6.el7.4 +2
    • Red Hat Enterprise Linux Server Optional (v. 7) libxml2-static-2.9.1-6.el7.4, libxml2-static-2.9.1-6.el7.4.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) libxml2-2.9.1-6.el7.4, libxml2-devel-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
  • RHSA-2019:1543 Released 2019-06-18 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.29 SP2 security update
    • JBoss Core Services Apache HTTP Server 2.4.29 SP2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
JBoss Core Services Apache HTTP Server 2.4.29 SP2Fixed RHSA-2019:1543
RHEL 7-based RHEV-H for RHEV 4 (build requirements)Fixed—
Red Hat Ansible Tower 3.5 for RHEL 7 ServerFixed—
Red Hat Ansible Tower 3.6 for RHEL 7Fixed—
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:1827
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:1827
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:1190
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:1190
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:1190
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:1190
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:1190
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:1190
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:1190
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:1190
Red Hat Virtualization 4 Hypervisor for RHEL 7Fixed—
Red Hat Virtualization 4 Management Agent for RHEL 7 HostsFixed—
Not affected: 1 product
  • Red Hat JBoss Web Server 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-14404
  2. 2026-10-03 Alias added: GHSA-6qvp-r6r3-9p7h

References

Advisory 7

Other 8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences