Loading vulnerability details…
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)
References (20)
...and 6 more