CVSS 3.1 Score 7.5 of 10 (high)


Published Dec 16, 2023
Updated: Dec 26, 2023
CWE ID 120


CVE-2023-50784 is a buffer overflow vulnerability in websockets in UnrealIRCd versions 6.1.0 through 6.1.3 before 6.1.4. It can be exploited by an unauthenticated remote attacker to crash the server by sending an oversized packet if a websocket port is open. On some older platforms, remote code execution may be possible. The vulnerability has a base severity of HIGH and a base score of 7.5 according to The affected products include t5UtK5, t5UtK4, t5UtK6, t5UtKz, t5UtK1, t5UtK0, t5UtK3, and t5UtK2. It is recommended to update to version 6.1.4 or apply any available patches to remediate the vulnerability and prevent potential damage to organizations' systems and data.

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