Debian trixie inetutils Critical Telnetd Authentication Bypass DSA-6144-1
debian
February 19, 2026
Ron Ben Yizhak discovered that the inetutils implementation of telnetd didn't sanitise the CREDENTIALS_DIRECTORY environment variable before passing it to the login binary
Topics Covered
Summary
For the stable distribution (trixie), this problem has been fixed in
version 2:2.6-3+deb13u2.
We recommend that you upgrade your inetutils packages.
For the detailed security status of inetutils please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/source-package/inetutils
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
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Critical
Package: inetutils
CVE ID: not yet available
Topics Covered
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