Openssh: denial-of-service in openssh
A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may keep sending such packages, leading to an uncontrolled increas…
Severity medium: primary CNA CVSS 5.9 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-02-28T21:25:28.861Z. Updated 2026-10-21T16:55:55.131Z.