CVE-2020-16600 Information

Description

A Use After Free vulnerability exists in Artifex Software Inc. MuPDF library 1.17.0-rc1 and earlier when a valid page was followed by a page with invalid pixmap dimensions causing bander - a static - to point to previously freed memory instead of a newband_writer.

CVSS Vector

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

Reference

http://git.ghostscript.com/?p=mupdf.git;h=96751b25462f83d6e16a9afaf8980b0c3f979c8b https://bugs.ghostscript.com/show_bug.cgi?id=702253

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8