CVE-2026-3497 | OpenSSH on Ubuntu GSSAPI Message sshpkt_disconnect uninitialized resource (Nessus ID 302216 / WID-SEC-2026-0716)
A vulnerability was found in OpenSSH up to 18.9p1-3ubuntu0.13/19.6p1-3ubuntu13.14/110.0p1-5ubuntu5.0 on Ubuntu. It has been rated as critical. This vulnerability affects the function sshpkt_disconnect of the component GSSAPI Message Handler. This manipulation causes uninitialized resource.
The identification of this vulnerability is CVE-2026-3497. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is advised.