[SECURITY] [DSA 6106-1] inetutils security update
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Debian Security Advisory DSA-6106-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
January 22, 2026 https://www.debian.org/security/faq
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Package : inetutils
CVE ID : CVE-2026-24061
Debian Bug : 1126047
Kyu Neushwaistein discovered that telnetd from inetutils does not
sanitize the USER environment variable before passing it on to login. A
remote attacker can take advantage of this flaw to login as root,
bypassing normal authentication processes.
For the oldstable distribution (bookworm), this problem has been fixed
in version 2:2.4-2+deb12u2.
For the stable distribution (trixie), this problem has been fixed in
version 2:2.6-3+deb13u1.
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/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/
Mailing list: debian-security-announce@lists.debian.org
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