Vulnerability in Artifex Mupdf
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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- artifex.com (Product)
- mupdf.com (Product)
- github.com/Landw-hub/CVE-2025-46206 (Exploit, Third Party Advisory)
- bugs.ghostscript.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/ (Permissions Required)
Frequently asked questions
- What is CVE-2025-46206?
- CVE-2025-46206 is a medium-severity vulnerability in Artifex Mupdf, classified under Uncontrolled Recursion. CVSS score: 6.5/10. Published 2025-08-04.
- How severe is CVE-2025-46206?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-46206 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.