Security readout for executives and security teams
CVE-2018-19477 affects Artifex Ghostscript before 9.26. A malicious file using JBIG2Decode could bypass intended access restrictions, weakening the safety boundary many systems rely on when processing PDFs or PostScript. Business risk is highest where untrusted documents are converted, previewed, printed, or inspected automatically. Systems are most exposed when Ghostscript processes attacker-supplied PDF, PostScript, or image-conversion inputs, including upload pipelines, print services, thumbnailers, and document preview services. The bundle does not identify specific downstream applications beyond Ghostscript packages. Prioritize remediation for internet-facing or customer-facing document processing first. The vulnerability affects a common document interpreter and weakens access restrictions, so delayed patching increases risk in upload, print, and conversion environments. Mitigation focus: Upgrade Ghostscript to 9.26 or a vendor-fixed package.; Apply Debian DSA-4346, Ubuntu USN-3831-1, or Red Hat RHSA-2019:0229 where applicable.; Review vendor guidance for exact fixed package versions in each distribution..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2018-19477 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- DSA-4346CVE reference · vendor-advisory, x_refsource_DEBIAN
- RHSA-2019:0229CVE reference · vendor-advisory, x_refsource_REDHAT
- USN-3831-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://bugs.ghostscript.com/show_bug.cgi?id=700168CVE reference · x_refsource_MISC
- https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdfCVE reference · x_refsource_MISC
- [debian-lts-announce] 20181128 [SECURITY] [DLA 1598-1] ghostscript security updateCVE reference · mailing-list, x_refsource_MLIST
- https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26CVE reference · x_refsource_MISC
- RHBA-2019:0327CVE reference · vendor-advisory, x_refsource_REDHAT
Products and packages named in the record
CWE details
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