CVE-2025-46206: mupdf — Exploit

Description

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the `mutool clean` utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the `strip_outline()` function enters infinite recursion

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-674 CWE-674

Affected Products

Vendor	Product	Versions
artifex	mupdf	< 1.25.6

References

Exploits

https://github.com/Landw-hub/CVE-2025-46206

Other References

http://artifex.com http://mupdf.com https://bugs.ghostscript.com/show_bug.cgi?id=708521 https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=0ec7e4d2201bb6df217e01c17396d36297abf9ac

Frequently Asked Questions

What is CVE-2025-46206? +

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the `mutool clean` utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the `strip_outline()` function enters infinite recursion It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-46206? +

CVE-2025-46206 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-46206? +

CVE-2025-46206 affects products from artifex, specifically: mupdf. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-46206? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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