Vulnerability CVE-2020-19609
Published: 2021-07-21

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.

Type:

CWE-787

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Artifex -> Mupdf 

 References:
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
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