Improper input validation in Artifex Ghostscript

CVE-2018-19478

In Artifex Ghostscript before 9.26, a carefully crafted PDF file can trigger an extremely long running computation when parsing the file.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Release Notes)
  • cve@mitre.org (Permissions Required, x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory)

Frequently asked questions

What is CVE-2018-19478?
CVE-2018-19478 is a medium-severity vulnerability in Artifex Ghostscript, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-01-02.
How severe is CVE-2018-19478?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-19478 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.