{"id":"USN-6723-1","summary":"bind9 vulnerabilities","details":"Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered\nthat Bind icorrectly handled validating DNSSEC messages. A remote attacker\ncould possibly use this issue to cause Bind to consume resources, leading\nto a denial of service. (CVE-2023-50387)\n\nIt was discovered that Bind incorrectly handled preparing an NSEC3 closest\nencloser proof. A remote attacker could possibly use this issue to cause\nBind to consume resources, leading to a denial of service. (CVE-2023-50868)\n","modified":"2026-04-27T16:50:34.397332Z","published":"2024-04-09T12:07:28Z","related":["UBUNTU-CVE-2023-50387","UBUNTU-CVE-2023-50868"],"upstream":["CVE-2023-50387","CVE-2023-50868","UBUNTU-CVE-2023-50387","UBUNTU-CVE-2023-50868"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6723-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-50387"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-50868"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm12?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.9.5.dfsg-3ubuntu0.19+esm12"}]}],"versions":["1:9.9.3.dfsg.P2-4ubuntu1","1:9.9.3.dfsg.P2-4ubuntu2","1:9.9.3.dfsg.P2-4ubuntu3","1:9.9.5.dfsg-2","1:9.9.5.dfsg-3","1:9.9.5.dfsg-3ubuntu0.1","1:9.9.5.dfsg-3ubuntu0.2","1:9.9.5.dfsg-3ubuntu0.3","1:9.9.5.dfsg-3ubuntu0.4","1:9.9.5.dfsg-3ubuntu0.5","1:9.9.5.dfsg-3ubuntu0.6","1:9.9.5.dfsg-3ubuntu0.7","1:9.9.5.dfsg-3ubuntu0.8","1:9.9.5.dfsg-3ubuntu0.9","1:9.9.5.dfsg-3ubuntu0.10","1:9.9.5.dfsg-3ubuntu0.11","1:9.9.5.dfsg-3ubuntu0.12","1:9.9.5.dfsg-3ubuntu0.13","1:9.9.5.dfsg-3ubuntu0.14","1:9.9.5.dfsg-3ubuntu0.15","1:9.9.5.dfsg-3ubuntu0.16","1:9.9.5.dfsg-3ubuntu0.17","1:9.9.5.dfsg-3ubuntu0.18","1:9.9.5.dfsg-3ubuntu0.19","1:9.9.5.dfsg-3ubuntu0.19+esm1","1:9.9.5.dfsg-3ubuntu0.19+esm2","1:9.9.5.dfsg-3ubuntu0.19+esm3","1:9.9.5.dfsg-3ubuntu0.19+esm4","1:9.9.5.dfsg-3ubuntu0.19+esm5","1:9.9.5.dfsg-3ubuntu0.19+esm6","1:9.9.5.dfsg-3ubuntu0.19+esm7","1:9.9.5.dfsg-3ubuntu0.19+esm9","1:9.9.5.dfsg-3ubuntu0.19+esm10","1:9.9.5.dfsg-3ubuntu0.19+esm11"],"ecosystem_specific":{"availability":"Available 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