What’s Vulnerable › Vulnerabilities

CVE-2023-31794

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-31 · updated 2026-06-17
• Weakness: CWE-674

Description

MuPDF v1.21.1 was discovered to contain an infinite recursion in the component pdf_mark_list_push. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

Affected products

• Artifex MuPDF: 1.21.1

References

• https://bugs.ghostscript.com/show_bug.cgi?id=706506
• https://gist.github.com/spookhorror/c770d118767b1b0d89fdfe2845169d06
• https://git.ghostscript.com/?p=mupdf.git%3Bh=c0015401693b58e2deb5d75c39f27bc1216e47c6
• https://bugs.ghostscript.com/show_bug.cgi?id=706506
• https://gist.github.com/spookhorror/c770d118767b1b0d89fdfe2845169d06
• https://git.ghostscript.com/?p=mupdf.git%3Bh=c0015401693b58e2deb5d75c39f27bc1216e47c6

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