VULNERABILITY INTELLIGENCE

CVE-2015-1821

CVSS score6.5 MEDIUM
EPSS probability3.41%
CISA KEVNot currently listed
Published2015-04-16
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:S/C:P/I:P/A:P

Description

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.

Weakness classification

  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Primary references