vulnerability
SUSE: CVE-2025-26466: SUSE Linux Security Advisory
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | Feb 18, 2025 | Feb 20, 2025 | Dec 5, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Feb 18, 2025
Added
Feb 20, 2025
Modified
Dec 5, 2025
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.
Solutions
suse-upgrade-opensshsuse-upgrade-openssh-askpass-gnomesuse-upgrade-openssh-cavssuse-upgrade-openssh-clientssuse-upgrade-openssh-commonsuse-upgrade-openssh-fipssuse-upgrade-openssh-helperssuse-upgrade-openssh-serversuse-upgrade-openssh-server-config-disallow-rootloginsuse-upgrade-openssh-server-config-rootlogin
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