CVE-2025-43857 | net-imap up to 0.2.4/0.3.8/0.4.19/0.5.6 on Ruby Response Net::IMAP resource consumption (GHSA-j3g3-5qv5-52mj)
A vulnerability was found in net-imap up to 0.2.4/0.3.8/0.4.19/0.5.6 on Ruby. It has been declared as problematic. Affected by this vulnerability is the function Net::IMAP of the component Response Handler. The manipulation leads to resource consumption.
This vulnerability is known as CVE-2025-43857. The attack can be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.