CLSA-2021-1635459182 Fix CVE(s): CVE-2021-22898

SECURITY UPDATE: TELNET stack contents disclosure - debian/patches/CVE-2021-22898.patch: check sscanf for correct number of matches in lib/telnet.c - CVE-2021-22898...

CLSA-2021-1635459174 Fix CVE(s): CVE-2021-22925

SECURITY UPDATE: TELNET stack contents disclosure again - debian/patches/CVE-2021-22925.patch: check sscanf for correct number - of matches in lib/telnet.c - CVE-2021-22925...