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Signals Exploited in the wild (KEV) 0 Patch available 1 No fix listed 1 Has CVE 2

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Requirements No authentication 2 No user interaction 1

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Weakness (CWE) CWE-190 Integer Overflow or Wraparound 1 CWE-22 Improper Limitation of a Pathname to a Restricted Directory 1

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Vendor: Artifex Software Inc. *PyMuPDF* × Clear all filters

TI-2026-02856 CVE-2026-3308 · GHSA-6jrq-hjxp-2x5r

Integer overflow in Artifex Software Inc. PyMuPDF MuPDF

Priority LOW 35

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function.

CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.00217 · Published 2026-03-31 · No fix listed CWE-190

TI-2026-02617 CVE-2026-3029 · GHSA-cxqh-p2w9-fmr7

Path traversal in Artifex Software Inc. PyMuPDF PyMuPDF

Priority MEDIUM 41

A path traversal and arbitrary file write vulnerability exist in the embedded get function in '_main_.py' in PyMuPDF version, 1.26.5.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00376 · Published 2026-03-19 · Partial fix · 1.26.7 CWE-22

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Vulnerabilities

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Integer overflow in Artifex Software Inc. *PyMuPDF* MuPDF

Path traversal in Artifex Software Inc. *PyMuPDF* PyMuPDF

Integer overflow in Artifex Software Inc. PyMuPDF MuPDF

Path traversal in Artifex Software Inc. PyMuPDF PyMuPDF