CVE-2014-9750
ntp: vallen in extension fields are not validated
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · February 4, 2015
Updated · November 21, 2025
Description
A stack-based buffer overflow was found in the way the NTP autokey protocol was implemented. When an NTP client decrypted a secret received from an NTP server, it could cause that client to crash.
Statement
This issue affects the versions of ntp as shipped with Red Hat Enterprise Linux 5.
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
A mitigation for Red Hat Enterprise Linux 6 and 7 is available at: https://bugzilla.redhat.com/show_bug.cgi?id=1184573#c16
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 2.6AV:N/AC:H/Au:N/C:P/I:N/A:N
CWE not specified