CVE-2020-21896

5.5 MEDIUM

Published: August 22, 2023 Modified: November 03, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.ghostscript.com/cgi-bin/findgit.cgi?8719e07834d6a72b6b4131539e49ed1e8e2ff79e

Source: cve@mitre.org

https://bugs.ghostscript.com/show_bug.cgi?id=701294

Source: cve@mitre.org

Exploit Issue Tracking Patch Vendor Advisory

https://bugs.ghostscript.com/show_bug.cgi?id=701294

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Issue Tracking Patch Vendor Advisory

https://lists.debian.org/debian-lts-announce/2025/08/msg00017.html

Source: af854a3a-2127-422b-91ae-364da2661108

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.5 / 10.0

EPSS (Exploit Probability)

0.2%

43th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-416

Affected Vendors

artifex

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