Mattermost security updates 6.0.3, 5.39.2, 5.38.4, and 5.37.4 (Extended Support Release)
We’re informing you about a Mattermost security update, which addresses a medium-level severity vulnerability. We highly recommend that you apply the update.
The security update is available for Mattermost dot releases 6.0.3, 5.39.2, 5.38.4, and 5.37.4 (ESR) for both Team Edition and Enterprise Edition. They are available for download here.
Customer safety and data security are the utmost priorities for Mattermost. For our customers’ protection, and as outlined in our Responsible Disclosure policy, Mattermost does not disclose specifics on this vulnerability until 30 days after this announcement. After 30 days, we will publish specific details on the vulnerability on our Security Updates webpage.
Mattermost v6.0.3 also resolves the following bugs:
- Fixed a possible panic during data retention jobs when
DataRetentionSettings.EnableMessageDeletionwas set totrue. - Fixed a potential panic during the message export job.
- Fixed some sentry crashes
Mattermost v5.37.4 (ESR) also resolves the following bugs:
- Fixed a potential panic during the message export job.
- Fixed some sentry crashes
You can follow the standard upgrade instructions to apply the updates.
