| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost desktop | ≥ 6.2.0, < 6.2.1> 6.0.0, ≤ 6.0.2< 5.13.6 | 6.2.15.13.6 |
Mattermost Desktop App versions <=6.2 5.5.13 6.0.2.0 fail to properly null check when checking for headers in the Mattermost Desktop App which allows any user to crash another channel members Desktop App via posting a malicious link with an embedded image that misses one of those headers. Mattermost Advisory ID: MMSA-2026-00668
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