Ubuntu Security Notice 3349-1 - Yihan Lian discovered that NTP incorrectly handled certain large request data values. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. Miroslav Lichvar discovered that NTP incorrectly handled certain spoofed addresses when performing rate limiting. A remote attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. Various other issues were also addressed.
359f86f0252b15d6299bffee359feeea850698a32c5afa2a570d94db465a75ab
HPE Security Bulletin HPESBUX03706 1 - Potential security vulnerabilities have been identified in the HP-UX-NTP service running ntpd. These vulnerabilities could be exploited remotely to allow a denial of service (DoS), unauthorized modification, and access restriction bypass. Revision 1 of this advisory.
1b4eef10352a8be82656e108c32a07e6007d14cd20ec65cd19f4dbf4f1217e7e
FreeBSD Security Advisory - Multiple vulnerabilities have been discovered in the NTP suite.
33824530cddd9387168daf3f7afeba89dddbc5899597c45b606169369c028f6b