CVE-2022-3257

Low

Description

Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

SeverityLow
CVSS3.1
Exploit probability—
ProductMattermost Server
PublishedSep 23, 2022
First seenSep 23, 2022

How to fix

Update
  • mattermost mattermost_server7.2.0 or later
  • github.com/mattermost/mattermost-server/v67.2.0 or later

Affected products

ProductAffected versionsFixed in
mattermost mattermost_serverv < 7.2.07.2.0
github.com/mattermost/mattermost-server/v6Go7.1.0 ≤ v < 7.2.07.2.0

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