Use After Free Vulnerability in MuPDF by Artifex Software
CVE-2020-21896

5.5MEDIUM

Key Information:

Vendor

Artifex
Status
MuPDF
Vendor
CVE Published:
22 August 2023

What is CVE-2020-21896?

A Use After Free vulnerability exists in the svg_dev_text_span_as_paths_defs function located in source/fitz/svg-device.c of MuPDF 1.16.0. This flaw permits remote attackers to create a denial of service by exploiting the opening of specially crafted PDF files. Users of the affected version should evaluate potential risks and consider updates or mitigation strategies.

References

https://bugs.ghostscript.com/show_bug.cgi?id=701294
http://www.ghostscript.com/cgi-bin/findgit.cgi?8719e07834...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.