33 matches found
CVE-2026-56740 JLine: Unauthenticated Remote Memory Exhaustion via Unbounded Telnet NEW-ENVIRON Variables
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 limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option, and TelnetIO.readNEVariables in TelnetIO.java:1127-1180...
CVE-2026-56740
JLine3 Telnet server remote-telnet module in JLine prior to versions 3.30.14, 4.0.16, and 4.2.1 does not limit the number of environment variables injected via Telnet NEW-ENVIRON. TelnetIO.readNEVariables() stores each variable pair in a HashMap within ConnectionData (lines 1127-1180), allowing a...
CVE-2026-56740
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 limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option, and TelnetIO.readNEVariables in TelnetIO.java:1127-1180...
SUSE-SU-2026:22562-1 Security update for jline3
This update for jline3 fixes the following issues: Changes in jline3: unauthenticated remote memory exhaustion via unbounded Telnet 'NEW-ENVIRON variables bsc1269021...
OPENSUSE-SU-2026:21221-1 Security update for jline3
This update for jline3 fixes the following issues: Changes in jline3: unauthenticated remote memory exhaustion via unbounded Telnet 'NEW-ENVIRON variables bsc1269021...
openSUSE 16: jline3 / jline3-builtins / jline3-console / jline3-console-ui / etc (openSUSE-SU-2026:21221-1)
The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21221-1 advisory. Changes in jline3: unauthenticated remote memory exhaustion via unbounded Telnet 'NEW-ENVIRON variables bsc1269021 Tenable has extracted the preceding...
GHSA-47QP-HQVX-6R3F JLine3 Telnet server: Unauthenticated Remote Memory Exhaustion via Unbounded Telnet NEW-ENVIRON Variables
Summary The JLine3 Telnet server remote-telnet module does not limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option. An unauthenticated attacker can flood the server with a large number of unique variable pairs before sending the terminating IAC SE byte,...
Allocation of Resources Without Limits or Throttling
Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via readNEVariables. An attacker can exhaust the JVM heap memory by sending a large number of unique Telnet NEW-ENVIRON variable pairs before the terminating IAC SE byte, resulting in...
PT-2026-60884
Name of the Vulnerable Software and Affected Versions JLine versions prior to 3.30.14 JLine versions prior to 4.0.16 JLine versions prior to 4.2.1 Description The JLine3 Telnet server remote-telnet module fails to limit the number of environment variables a client can inject using the Telnet...
USN-8387-1: Inetutils vulnerabilities
It was discovered that the Inetutils telnet daemon incorrectly handled the CREDENTIALSDIRECTORY environment variable. An attacker could possibly use this issue to escalate privileges. CVE-2026-28372 It was discovered that the Inetutils telnet daemon did not properly validate buffer bounds when...
Astra Linux – Vulnerability in inetutils
In GNU inetutils, the telnet utility in version 2.7 allows servers to read arbitrary environment variables from clients using the NEWENVIRON SENDUSERVAR function...
GNU InetUtils 2.6 - Telnetd Remote Privilege Escalation
Exploit Title: GNU InetUtils telnetd - Remote Privilege Escalation Date: 2026-01-24 Exploit Author: Ali Guliyev infat0x Author GitHub: https://github.com/infat0x Vendor Homepage: https://www.gnu.org/software/inetutils/ Software Link: https://ftp.gnu.org/gnu/inetutils/ Version: GNU InetUtils 2.0...
Exploit for Argument Injection in Gnu Inetutils
CVE-2026-24061 - telnetd auth bypass o co chodzi argument...
EUVD-2026-12154
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEWENVIRON SEND USERVAR...
DEBIAN-CVE-2026-32772
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEWENVIRON SEND USERVAR...
UBUNTU-CVE-2026-32772
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEWENVIRON SEND USERVAR...
CVE-2026-32772
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEWENVIRON SEND USERVAR...
CVE-2026-32772
telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEWENVIRON SEND USERVAR...
📄 GNU Inetutils telnetd NEW-ENVIRON Authentication Bypass
This Metasploit module exploits an authentication bypass vulnerability in GNU Inetutils telnetd. By sending a specially crafted NEW-ENVIRON subnegotiation with a USER variable containing -f root, an attacker can login as root without a password. This occurs because telnetd passes the environment...