Medium severity · published Jul 21, 2021
CVE-2020-19609
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
5.5
CVSS
1%
EPSS
No
On KEV
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
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
MU
Mupdf · Artifex
before 1.18.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-19609
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-19609
git.ghostscript.com
http://git.ghostscript.com/?p=mupdf.git%3Bh=b7892cdc7fae62aa57d63ae62144e1f11b5f9275
Issue Tracking
https://bugs.ghostscript.com/show_bug.cgi?id=701176
Exploit
https://bugs.ghostscript.com/show_bug.cgi?id=703076
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00013.html
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