Heap Based Buffer Overwrite in Artifex MuPDF Product
CVE-2020-19609

5.5MEDIUM

Key Information:

Vendor

Artifex
Status
MuPDF
Vendor
CVE Published:
21 July 2021

What is CVE-2020-19609?

Artifex MuPDF versions prior to 1.18.0 contain a heap-based buffer overwrite vulnerability within the tiff_expand_colormap() function, triggered when parsing specially crafted TIFF files. This flaw can allow attackers to exploit the system, leading to disruptions or a denial of service, impacting the application's availability.

References

https://bugs.ghostscript.com/show_bug.cgi?id=701176
x_refsource_MISC
http://git.ghostscript.com/?p=mupdf.git%3Bh=b7892cdc7fae6...
x_refsource_MISC
https://bugs.ghostscript.com/show_bug.cgi?id=703076
x_refsource_MISC

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

.