CVE-2026-56740 | JLine up to 3.30.13/4.0.15/4.2.0 Telnet Server Remote-telnet TelnetIO.java readNEVariables heap-based overflow

A vulnerability labeled as problematic has been found in JLine up to 3.30.13/4.0.15/4.2.0. This vulnerability affects the function readNEVariables of the file TelnetIO.java of the component Telnet Server Remote-telnet Module. The manipulation results in heap-based buffer overflow.

This vulnerability was named CVE-2026-56740. The attack may be performed from remote. There is no available exploit.VulDB Recent EntriesRead More