| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost | = 7.10.0≥ 7.8.0, ≤ 7.8.3≥ 7.9.0, ≤ 7.9.2 |
Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.
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