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High severity7.5OSV Advisory· Published May 11, 2023· Updated Jun 17, 2026

CVE-2023-28356

CVE-2023-28356

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.

Affected products

2
  • RocketChat/Rocket.chatOSV2 versions
    0.10.0, 0.10.1, 0.10.2, …+ 1 more
    • (no CPE)range: 0.10.0, 0.10.1, 0.10.2, …
    • cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*range: <6.0.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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