6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
0.009 Low
EPSS
Percentile
82.4%
chrony before 1.31.1 does not initialize the last “next” pointer when
saving unacknowledged replies to command requests, which allows remote
authenticated users to cause a denial of service (uninitialized pointer
dereference and daemon crash) or possibly execute arbitrary code via a
large number of command requests.