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Ntp

ntp

Vendor: Ntp • 99 CVEs

CVEs (99)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
3Debian
FedoraprojectNtp
3Debian Linux
FedoraNtp
May 13, 2026
Aug 24, 2017
N/A· v4
5.3 MEDIUM· v3
3.5 LOW· v2
ntpd in ntp before 4.2.8p3 with remote configuration enabled allows remote authenticated users with knowledge of the configuration password and access to a computer entrusted to perform remote configuration to cause a de...Show more
ntpd in ntp before 4.2.8p3 with remote configuration enabled allows remote authenticated users with knowledge of the configuration password and access to a computer entrusted to perform remote configuration to cause a denial of service (service crash) via a NULL byte in a crafted configuration directive packet.Show less
7Debian
FedoraprojectNtp+4 more
13Debian Linux
Enterprise Linux DesktopEnterprise Linux For Ibm Z Systems+10 more
May 13, 2026
Aug 9, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and...Show more
ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.Show less
3Debian
NetappNtp
7Clustered Data Ontap
Data OntapDebian Linux+4 more
May 13, 2026
Aug 7, 2017
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.
4Debian
NetappNtp+1 more
9Clustered Data Ontap
Data OntapDebian Linux+6 more
May 13, 2026
Aug 7, 2017
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.
2Netapp
Ntp
6Clustered Data Ontap
Data OntapNtp+3 more
May 13, 2026
Aug 7, 2017
N/A· v4
8.8 HIGH· v3
6.5 MEDIUM· v2
Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary co...Show more
Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted key file.Show less
2Netapp
Ntp
6Clustered Data Ontap
Data OntapNtp+3 more
May 13, 2026
Aug 7, 2017
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.
5Debian
NetappNtp+2 more
14Clustered Data Ontap
Data OntapDebian Linux+11 more
May 13, 2026
Aug 7, 2017
N/A· v4
5.9 MEDIUM· v3
4.3 MEDIUM· v2
ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets.
3Debian
NetappNtp
7Clustered Data Ontap
Data OntapDebian Linux+4 more
May 13, 2026
Aug 7, 2017
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.
2Netapp
Ntp
6Clustered Data Ontap
Data OntapNtp+3 more
May 13, 2026
Aug 7, 2017
N/A· v4
8.8 HIGH· v3
6.5 MEDIUM· v2
Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.
4Citrix
NetappNtp+1 more
8Clustered Data Ontap
Data OntapNtp+5 more
May 13, 2026
Aug 7, 2017
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted requests.
6Citrix
DebianMcafee+3 more
14Clustered Data Ontap
Data OntapDebian Linux+11 more
May 13, 2026
Aug 7, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.
5Debian
NetappNtp+2 more
13Clustered Data Ontap
Data OntapDebian Linux+10 more
May 13, 2026
Aug 7, 2017
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9...Show more
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.Show less
5Debian
NetappNtp+2 more
13Clustered Data Ontap
Data OntapDebian Linux+10 more
May 13, 2026
Aug 7, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Memory leak in the CRYPTO_ASSOC function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (memory consumption).
5Debian
NetappNtp+2 more
13Clustered Data Ontap
Data OntapDebian Linux+10 more
May 13, 2026
Aug 7, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9...Show more
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.Show less
5Debian
NetappNtp+2 more
13Clustered Data Ontap
Data OntapDebian Linux+10 more
May 13, 2026
Aug 7, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This...Show more
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.Show less
5Debian
NetappNtp+2 more
13Clustered Data Ontap
Data OntapDebian Linux+10 more
May 13, 2026
Jul 24, 2017
N/A· v4
7.5 HIGH· v3
4.3 MEDIUM· v2
The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send...Show more
The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.Show less
7Canonical
DebianFedoraproject+4 more
20Debian Linux
Enterprise Linux DesktopEnterprise Linux Hpc Node+17 more
May 13, 2026
Jul 21, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was greater than 128 milliseconds by default, which allows remote attackers to set NTP to an arbitrary time wh...Show more
The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was greater than 128 milliseconds by default, which allows remote attackers to set NTP to an arbitrary time when started with the -g option, or to alter the time by up to 900 seconds otherwise by responding to an unspecified number of requests from trusted sources, and leveraging a resulting denial of service (abort and restart).Show less
10Canonical
DebianFedoraproject+7 more
18Debian Linux
Enterprise Linux DesktopEnterprise Linux Hpc Node+15 more
May 13, 2026
Jul 21, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a craft...Show more
The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a crafted NTP packet.Show less
5Canonical
DebianFedoraproject+2 more
8Debian Linux
Enterprise Linux DesktopEnterprise Linux Hpc Node+5 more
May 13, 2026
Jul 21, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command that is not enabled during compilation.
6Canonical
DebianFedoraproject+3 more
13Debian Linux
Enterprise Linux DesktopEnterprise Linux Hpc Node+10 more
May 13, 2026
Jul 21, 2017
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial of service (ntpd crash) via crafted logconfig commands.