How severe is CVE-2025-46206?

CVE-2025-46206 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-46206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-46206?

CVE-2025-46206 affects Artifex Mupdf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-46206?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-46206 have an EU (EUVD) identifier?

Yes. CVE-2025-46206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23520.

When was CVE-2025-46206 published?

CVE-2025-46206 was published on 2025-08-04 and last updated on 2026-07-05.

CVE-2025-46206

CVE-2025-46206 is a medium-severity vulnerability in Artifex Mupdf with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-674.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23520
Weakness: CWE-674
Affected product: Artifex Mupdf
Published: 2025-08-04
Last modified: 2026-07-05

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

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
How severe is CVE-2025-46206?: CVE-2025-46206 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-46206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-46206?: CVE-2025-46206 affects Artifex Mupdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-46206?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-46206 have an EU (EUVD) identifier?: Yes. CVE-2025-46206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23520.
When was CVE-2025-46206 published?: CVE-2025-46206 was published on 2025-08-04 and last updated on 2026-07-05.

References

EU advisories (EUVD)

Affected products (1)

cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*

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