{"id":"USN-7641-1","summary":"bind9 vulnerability","details":"It was discovered that Bind incorrectly handled configurations where the\nstale-answer-client-timeout option is set to 0. A remote attacker could\npossibly use this issue to cause Bind to crash, resulting in a denial of\nservice.","modified":"2025-10-13T04:42:07Z","published":"2025-07-16T17:42:21.769692Z","related":["UBUNTU-CVE-2025-40777"],"upstream":["CVE-2025-40777","UBUNTU-CVE-2025-40777"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7641-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-40777"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:25.04","purl":"pkg:deb/ubuntu/bind9@1:9.20.4-3ubuntu1.2?arch=source&distro=plucky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.20.4-3ubuntu1.2"}]}],"versions":["1:9.20.0-2ubuntu3","1:9.20.0-2ubuntu4","1:9.20.4-3ubuntu1","1:9.20.4-3ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"bind9"},{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"bind9-dev"},{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"bind9-dnsutils"},{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"bind9-host"},{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"bind9-libs"},{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"bind9-utils"},{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"bind9utils"},{"binary_version":"1:9.20.4-3ubuntu1.2","binary_name":"dnsutils"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2025-40777"}],"ecosystem":"Ubuntu:25.04"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7641-1.json"}}],"schema_version":"1.7.3"}