What’s Vulnerable › Vulnerabilities

CVE-2020-21896

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-22 · updated 2026-06-17
• Weakness: CWE-416

Description

A Use After Free vulnerability in svg_dev_text_span_as_paths_defs function in source/fitz/svg-device.c in Artifex Software MuPDF 1.16.0 allows remote attackers to cause a denial of service via opening of a crafted PDF file.

Affected products

• Artifex MuPDF: 1.16.0

References

• http://www.ghostscript.com/cgi-bin/findgit.cgi?8719e07834d6a72b6b4131539e49ed1e8e2ff79e
• https://bugs.ghostscript.com/show_bug.cgi?id=701294
• https://bugs.ghostscript.com/show_bug.cgi?id=701294
• https://lists.debian.org/debian-lts-announce/2025/08/msg00017.html

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