SUSE: CVE-2025-26466: SUSE Linux Security Advisory
Description
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 increase in memory consumption on the server side. Consequently, the server may become unavailable, resulting in a denial of service attack.
Solution(s)
- suse-upgrade-openssh
- suse-upgrade-openssh-askpass-gnome
- suse-upgrade-openssh-cavs
- suse-upgrade-openssh-clients
- suse-upgrade-openssh-common
- suse-upgrade-openssh-fips
- suse-upgrade-openssh-helpers
- suse-upgrade-openssh-server
- suse-upgrade-openssh-server-config-disallow-rootlogin
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