VULNERABILITY INTELLIGENCE

CVE-2013-0176

CVSS score4.3 MEDIUM
EPSS probability3.05%
CISA KEVNot currently listed
Published2013-02-05
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:P

Description

The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.

Primary references