Emerging Threat: GNU Inetutils telnetd LINEMODE SLC Buffer Overflow (CVE-2026-32746)
CVE-2026-32746 is a critical out-of-bounds write in GNU Inetutils telnetd caused by insufficient bounds checking in the LINEMODE SLC (Set Local Characters) suboption handler. Public advisories attribute the issue to the add_slc logic not verifying whether the destination buffer is already full before writing additional data. The published CVSS v3.1 score is 9.8, with network attack vector, no required privileges, and no user interaction.