Uncontrolled Recursion Affecting pymupdf package, versions [,1.26.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-PYMUPDF-12672499
- published15 Sept 2025
- disclosed4 Aug 2025
- creditUnknown
Introduced: 4 Aug 2025
CVE-2025-46206 (opens in a new tab)How to fix?
Upgrade PyMuPDF to version 1.26.0 or higher.
Overview
PyMuPDF is an A high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.
Affected versions of this package are vulnerable to Uncontrolled Recursion when processing a crafted PDF file containing cyclic /Next references in the outline structure via the strip_outline function. An attacker can cause the application to enter an infinite recursion and crash by submitting a specially crafted PDF file.