What is the CVSS score of CVE-2025-46206?

CVE-2025-46206 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

Which versions of Mupdf are affected by CVE-2025-46206?

CVE-2025-46206 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available.

Is there a public PoC exploit available for CVE-2025-46206?

Yes, a public proof-of-concept exploit is available for CVE-2025-46206. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-46206?

Within 7 days: Identify affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Mupdf CVE-2025-46206

MEDIUM

Uncontrolled Recursion (CWE-674)

2025-08-04 cve@mitre.org

Denial Of Service Mupdf Artifex

6.5

CVSS 3.1 · Vendor: mitre

Severity by source

Vendor (mitre) PRIMARY

6.5 MEDIUM

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

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:05 vuln.today

PoC Detected

Oct 02, 2025 - 17:39 vuln.today

Public exploit code

CVE Published

Aug 04, 2025 - 18:15 nvd

MEDIUM 6.5

DescriptionCVE.org

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

AnalysisAI

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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-674. 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 Affected products include: Artifex Mupdf.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.