CVE-2026-56741

A flaw was found in the JLine3 Telnet server's remote-telnet module. An unauthenticated remote attacker can exploit this vulnerability by repeatedly sending large terminal dimension values through the Telnet Negotiate About Window Size NAWS option. This action triggers continuous,...

AZL-92453 CVE-2026-56741 affecting package jline 2.14.6-1

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS in TelnetIO.java:856-879 reads client-supplied...