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TI-2018-10440 Aliases CVE-2018-14567GHSA-4h39-8h6h-93x3

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of…

Priority LOW 36CWE-835Published · 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: 10 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-835.

Summary

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.

Why it matters now

EPSS 0.04294 91st percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 10 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:xmlsoft:libxml2:2.9.8:*:*:*:*:*:*:*2.9.8Vulnerablexmlsoft
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:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:xmlsoft:libxml2:2.9.8:*:*:*:*:*:*:* Versions 2.9.8 Vulnerable ·xmlsoft
  • 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:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

Red Hat 1 advisory

  • 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

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Virtualization 4AffectedNo fix planned: Will not fix
Red Hat Ansible Tower 3.5 for RHEL 7 ServerFixed—
Red Hat Ansible Tower 3.6 for RHEL 7Fixed—
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
Not affected: 4 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 8
  • Red Hat JBoss Core Services

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-14567
  2. 2026-10-03 Alias added: GHSA-4h39-8h6h-93x3

References

Patch 1

Advisory 2

Other 1

Sources

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