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CVSS v3.1
N/A
EPSS
34.67%
Published
Sep 27, 2006
Modified
Jun 16, 2026
Public PoC / Exploit (2)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.
Weaknesses (CWE)
Affected Products (56)
...and 6 more
References (20)