CyberSecBulletin

Artifex Software Inc. *PyMuPDF* vulnerabilities

We track 1 vulnerability in Artifex Software Inc. *PyMuPDF* products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on March 31, 2026.

1vulnerabilities
0critical
1high
0exploited
7.8average CVSS score

Latest Artifex Software Inc. *PyMuPDF* vulnerabilities

  • 7.8 High severity

    MuPDF: Integer Overflow or Wraparound

    CVE-2026-3308Artifex Software Inc. *PyMuPDF*

    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. This allows a heap out-of-bounds write that could