{"id":"USN-7526-1","summary":"bind9 vulnerability","details":"It was discovered that Bind incorrectly handled certain DNS messages with\ninvalid TSIG. A remote attacker could possibly use this issue to cause Bind\nto crash, resulting in a denial of service.\n","modified":"2025-10-13T04:41:30Z","published":"2025-05-21T13:47:23.101403Z","related":["UBUNTU-CVE-2025-40775"],"upstream":["CVE-2025-40775","UBUNTU-CVE-2025-40775"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7526-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-40775"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:25.04","purl":"pkg:deb/ubuntu/bind9@1:9.20.4-3ubuntu1.1?arch=source&distro=plucky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.20.4-3ubuntu1.1"}]}],"versions":["1:9.20.0-2ubuntu3","1:9.20.0-2ubuntu4","1:9.20.4-3ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"bind9","binary_version":"1:9.20.4-3ubuntu1.1"},{"binary_name":"bind9-dev","binary_version":"1:9.20.4-3ubuntu1.1"},{"binary_version":"1:9.20.4-3ubuntu1.1","binary_name":"bind9-dnsutils"},{"binary_name":"bind9-host","binary_version":"1:9.20.4-3ubuntu1.1"},{"binary_name":"bind9-libs","binary_version":"1:9.20.4-3ubuntu1.1"},{"binary_name":"bind9-utils","binary_version":"1:9.20.4-3ubuntu1.1"},{"binary_name":"bind9utils","binary_version":"1:9.20.4-3ubuntu1.1"},{"binary_name":"dnsutils","binary_version":"1:9.20.4-3ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7526-1.json","cves_map":{"ecosystem":"Ubuntu:25.04","cves":[{"id":"CVE-2025-40775","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.3"}