CVE-2023-31794

low-risk

Published 2023-10-31

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.

Do I need to act?

0.02% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Mupdf

Affected Vendors

Artifex

References (6)

Permissions Required https://bugs.ghostscript.com/show_bug.cgi?id=706506

Third Party Advisory https://gist.github.com/spookhorror/c770d118767b1b0d89fdfe2845169d06

Broken Link https://git.ghostscript.com/?p=mupdf.git%3Bh=c0015401693b58e2deb5d75c39f27bc1216...

Permissions Required https://bugs.ghostscript.com/show_bug.cgi?id=706506

Third Party Advisory https://gist.github.com/spookhorror/c770d118767b1b0d89fdfe2845169d06

Broken Link https://git.ghostscript.com/?p=mupdf.git%3Bh=c0015401693b58e2deb5d75c39f27bc1216...

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal