{"id":"USN-7080-1","summary":"unbound vulnerability","details":"Toshifumi Sakaguchi discovered that Unbound incorrectly handled name \ncompression for large RRsets, which could lead to excessive CPU usage. \nAn attacker could potentially use this issue to cause a denial of service\nby sending specially crafted DNS responses.\n","modified":"2026-05-20T16:06:13.029035501Z","published":"2024-10-22T13:09:25Z","related":["UBUNTU-CVE-2024-8508"],"upstream":["CVE-2024-8508","UBUNTU-CVE-2024-8508"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7080-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-8508"}],"affected":[{"package":{"name":"unbound","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/unbound?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.22-1ubuntu4.14.04.3+esm2"}]}],"versions":["1.4.20-1","1.4.21-1","1.4.21-1ubuntu1","1.4.21-1ubuntu2","1.4.22-1ubuntu1","1.4.22-1ubuntu2","1.4.22-1ubuntu3","1.4.22-1ubuntu4","1.4.22-1ubuntu4.14.04.1","1.4.22-1ubuntu4.14.04.2","1.4.22-1ubuntu4.14.04.3","1.4.22-1ubuntu4.14.04.3+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libunbound2","binary_version":"1.4.22-1ubuntu4.14.04.3+esm2"},{"binary_name":"python-unbound","binary_version":"1.4.22-1ubuntu4.14.04.3+esm2"},{"binary_name":"unbound","binary_version":"1.4.22-1ubuntu4.14.04.3+esm2"},{"binary_name":"unbound-anchor","binary_version":"1.4.22-1ubuntu4.14.04.3+esm2"},{"binary_name":"unbound-host","binary_version":"1.4.22-1ubuntu4.14.04.3+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7080-1.json","cves_map":{"cves":[{"id":"CVE-2024-8508","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"unbound","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/unbound?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.8-1ubuntu1.1+esm2"}]}],"versions":["1.4.22-1ubuntu6","1.5.7-1ubuntu1","1.5.7-1ubuntu2","1.5.8-1ubuntu1","1.5.8-1ubuntu1.1","1.5.8-1ubuntu1.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libunbound2","binary_version":"1.5.8-1ubuntu1.1+esm2"},{"binary_name":"python-unbound","binary_version":"1.5.8-1ubuntu1.1+esm2"},{"binary_name":"unbound","binary_version":"1.5.8-1ubuntu1.1+esm2"},{"binary_name":"unbound-anchor","binary_version":"1.5.8-1ubuntu1.1+esm2"},{"binary_name":"unbound-host","binary_version":"1.5.8-1ubuntu1.1+esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7080-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"unbound","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/unbound?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.7-1ubuntu2.6+esm3"}]}],"versions":["1.6.5-1","1.6.7-1","1.6.7-1build1","1.6.7-1ubuntu1","1.6.7-1ubuntu2","1.6.7-1ubuntu2.1","1.6.7-1ubuntu2.2","1.6.7-1ubuntu2.3","1.6.7-1ubuntu2.4","1.6.7-1ubuntu2.5","1.6.7-1ubuntu2.6","1.6.7-1ubuntu2.6+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libunbound2","binary_version":"1.6.7-1ubuntu2.6+esm3"},{"binary_name":"python-unbound","binary_version":"1.6.7-1ubuntu2.6+esm3"},{"binary_name":"python3-unbound","binary_version":"1.6.7-1ubuntu2.6+esm3"},{"binary_name":"unbound","binary_version":"1.6.7-1ubuntu2.6+esm3"},{"binary_name":"unbound-anchor","binary_version":"1.6.7-1ubuntu2.6+esm3"},{"binary_name":"unbound-host","binary_version":"1.6.7-1ubuntu2.6+esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7080-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2024-8508","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"unbound","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/unbound?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-2ubuntu1.9"}]}],"versions":["1.9.0-2ubuntu1","1.9.0-2ubuntu2","1.9.4-2","1.9.4-2ubuntu1","1.9.4-2ubuntu1.1","1.9.4-2ubuntu1.2","1.9.4-2ubuntu1.3","1.9.4-2ubuntu1.4","1.9.4-2ubuntu1.5","1.9.4-2ubuntu1.6","1.9.4-2ubuntu1.8"],"ecosystem_specific":{"binaries":[{"binary_name":"libunbound8","binary_version":"1.9.4-2ubuntu1.9"},{"binary_name":"python-unbound","binary_version":"1.9.4-2ubuntu1.9"},{"binary_name":"python3-unbound","binary_version":"1.9.4-2ubuntu1.9"},{"binary_name":"unbound","binary_version":"1.9.4-2ubuntu1.9"},{"binary_name":"unbound-anchor","binary_version":"1.9.4-2ubuntu1.9"},{"binary_name":"unbound-host","binary_version":"1.9.4-2ubuntu1.9"}],"availability":"No subscription 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subscription 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