CVE-2023-28356
High
Description
A vulnerability has been identified where a maliciously crafted message containing a specific chain of characters can cause the chat to enter a hot loop on one of the processes, consuming ~120% CPU and rendering the service unresponsive.
SeverityHigh
CVSS7.5
Exploit probability54. percentile0.7%
Product
Rocket.chat
PublishedMay 11, 2023
First seenMay 11, 2023
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- rocket.chat rocket.chat6.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rocket.chat rocket.chat | v < 6.0.0 | 6.0.0 |
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