telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON SEND USERVAR.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade inetutils | Apr 6, 2026 | Apr 6, 2026 |
| Ubuntu | — | Upgrade inetutils-pingUpgrade inetutils-syslogdUpgrade inetutils-tools (Ubuntu Pro)Upgrade inetutils-ping (Ubuntu Pro)Upgrade inetutils-traceroute (Ubuntu Pro)Upgrade inetutils-tracerouteUpgrade inetutils-telnetUpgrade inetutils-telnet (Ubuntu Pro)Upgrade inetutils-syslogd (Ubuntu Pro)Upgrade inetutils-toolsUpgrade inetutils-ftpUpgrade inetutils-ftpd (Ubuntu Pro)Upgrade inetutils-telnetdUpgrade telnetdUpgrade inetutils-talkdUpgrade telnetUpgrade inetutils-talkd (Ubuntu Pro)Upgrade inetutils-telnetd (Ubuntu Pro)Upgrade inetutils-talkUpgrade inetutils-ftpdUpgrade inetutils-ftp (Ubuntu Pro)Upgrade inetutils-talk (Ubuntu Pro)Upgrade inetutils-inetdUpgrade inetutils-inetd (Ubuntu Pro) | Jun 9, 2026 | Jun 4, 2026 |
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