CVE-2019-20871

published 2020-06-19

CVE-2019-20871: An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. The Markdown library allows catastrophic backtracking.

high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. The Markdown library allows catastrophic backtracking.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost_server	< 4.10.8	4.10.8
mattermost	mattermost_server	—	—
mattermost	mattermost_server	>= 5.7.0 < 5.7.3	5.7.3
mattermost	mattermost_server	>= 5.8.0 < 5.8.1	5.8.1