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TI-2018-13014 Aliases CVE-2018-18398GHSA-8953-rxhp-x9jm

Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for…

Priority LOW 22CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.

Why it matters now

EPSS 0.00322 25th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

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 · 2

CPEVersionsRoleVendor
cpe:2.3:a:xfce:thunar:*:*:*:*:*:*:*:*before 1.6.15VulnerableXfce
cpe:2.3:a:xfce:xfce:*:*:*:*:*:*:*:*before 4.12VulnerableXfce
  • cpe:2.3:a:xfce:thunar:*:*:*:*:*:*:*:* Versions before 1.6.15 Vulnerable ·Xfce
  • cpe:2.3:a:xfce:xfce:*:*:*:*:*:*:*:* Versions before 4.12 Vulnerable ·Xfce

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-18398
  2. 2026-10-03 Alias added: GHSA-8953-rxhp-x9jm

References

Exploit 1

  • TI-2021-12236 An issue was discovered in Thunar before 4.16.7 and 4.17.x before 4.17.2. CVSS 3.1CRITICAL 9.8
  • TI-2011-01407 Thunar before 1.3.1 could crash when copy and pasting a file name with % format characters due to a format string error. CVSS 3.1HIGH 7.8

Sources

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