CVE-2026-24061

Summary: CVE-2026-24061 affects GNU Inetutils’ telnetd (up to 2.7) and enables remote authentication bypass by setting the USER environment variable to "-f root". This can lead to unauthorized root access if telnetd is reachable. What’s affected (per provided docs): inetutils telnetd; GNU Inetuti...

CVE-2026-32746

CVE-2026-32746 affects telnetd in GNU inetutils up to version 2.7. The vulnerability is an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler due to add_slc not verifying the buffer fill level. This can lead to memory corruption with potential impact on confidentiali...

CVE-2026-32772

CVE-2026-32772 affects the inetutils telnet implementation (GNU inetutils) up to version 2.7. The issue allows a server to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR, leading to information disclosure. Debians advisories (DSA-6193-1, dla-4527-1) note that fixes...

CVE-2026-28372

CVE-2026-28372 affects telnetd in GNU inetutils up to version 2.7. The root cause is that login(1) in util-linux 2.40 added systemd service credentials support, enabling a local unprivileged user to influence the CREDENTIALS_DIRECTORY environment variable and create a login.noauth file, which can...