cbcvebase.
CVE-2019-20845
published 2020-06-19

CVE-2019-20845: An issue was discovered in Mattermost Server before 5.18.0. It allows attackers to cause a denial of service (memory consumption) via a large Slack import.

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
An issue was discovered in Mattermost Server before 5.18.0. It allows attackers to cause a denial of service (memory consumption) via a large Slack import.

Affected

3 ranges
VendorProductVersion rangeFixed in
mattermostmattermost_server< 5.18.05.18.0
the_openjpeg_projectopenjpeg2>= 0 < 2.1.2-1.1+deb9u6ubuntu0.1~esm12.1.2-1.1+deb9u6ubuntu0.1~esm1
the_openjpeg_projectopenjpeg2>= 0 < 2.3.0-2ubuntu0.1~esm12.3.0-2ubuntu0.1~esm1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv6.5MEDIUM