vulnerability
IBM AIX: openssh_advisory18 (CVE-2025-26466): Vulnerability in openssh affects AIX
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:N/I:N/A:C) | 2025-02-28 | 2025-03-18 | 2025-03-18 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:N/I:N/A:C)
Published
2025-02-28
Added
2025-03-18
Modified
2025-03-18
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
ibm-aix-openssh_advisory18
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