Description
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the webapp to crash via creating and sending such a post to a channel.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mattermost Mattermost
Default version status: unaffected
10.2.0 to ≤ 10.2.0affected9.11.0 to ≤ 9.11.5affected10.0.0 to ≤ 10.0.3affected10.1.0 to ≤ 10.1.3affected10.3.0unaffected2.23.0unaffected10.2.1unaffected9.11.6unaffected10.0.4unaffected10.1.4unaffected