CVE-2020-19609 Information

Description

Artifex MuPDF before 1.18.0 has a heap based buffer over-write in tiff_expand_colormap() function when parsing TIFF files allowing attackers to cause a denial of service.

CVSS Vector

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

Reference

http://git.ghostscript.com/?p=mupdf.git;h=b7892cdc7fae62aa57d63ae62144e1f11b5f9275 https://bugs.ghostscript.com/show_bug.cgi?id=703076 https://bugs.ghostscript.com/show_bug.cgi?id=701176 https://lists.debian.org/debian-lts-announce/2021/09/msg00013.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5