What’s Vulnerable › Vulnerabilities

CVE-2018-19478

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-02 · updated 2026-06-17
• Weakness: CWE-20

Description

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

Affected products

• Artifex Ghostscript: before 9.26 — fixed in 9.26
• Debian Linux: 8.0

How to fix

Upgrade to a fixed version: Artifex Ghostscript 9.26. Check the vendor advisory for mitigations.

References

• http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=0a7e5a1c309fa0911b892fa40996a7d55d90bace
• http://www.securityfocus.com/bid/106445
• https://bugs.ghostscript.com/show_bug.cgi?id=699856
• https://bugzilla.redhat.com/show_bug.cgi?id=1655607
• https://lists.debian.org/debian-lts-announce/2018/12/msg00019.html
• https://www.ghostscript.com/doc/9.26/History9.htm
• http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=0a7e5a1c309fa0911b892fa40996a7d55d90bace
• http://www.securityfocus.com/bid/106445
• https://bugs.ghostscript.com/show_bug.cgi?id=699856
• https://bugzilla.redhat.com/show_bug.cgi?id=1655607
• https://lists.debian.org/debian-lts-announce/2018/12/msg00019.html
• https://www.ghostscript.com/doc/9.26/History9.htm

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