{"id":"USN-8380-1","summary":"twisted vulnerability","details":"It was discovered that Twisted incorrectly handled DNS name decompression.\nA remote attacker could possibly use this issue to cause Twisted to consume\nexcessive resources, leading to a denial of service.","modified":"2026-06-03T22:18:10.339252311Z","published":"2026-06-03T13:59:16Z","related":["UBUNTU-CVE-2026-42304"],"upstream":["CVE-2026-42304","UBUNTU-CVE-2026-42304"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8380-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-42304"}],"affected":[{"package":{"name":"twisted","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/twisted?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"22.1.0-2ubuntu2.7"}]}],"versions":["20.3.0-7ubuntu1","20.3.0-7ubuntu3","22.1.0-2ubuntu2","22.1.0-2ubuntu2.1","22.1.0-2ubuntu2.3","22.1.0-2ubuntu2.4","22.1.0-2ubuntu2.5","22.1.0-2ubuntu2.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-twisted","binary_version":"22.1.0-2ubuntu2.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","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-2026-42304"}]}}},{"package":{"name":"twisted","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/twisted?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"24.3.0-1ubuntu0.2"}]}],"versions":["22.4.0-4","22.4.0-4ubuntu1","23.10.0-2","24.3.0-1","24.3.0-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-twisted","binary_version":"24.3.0-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","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-2026-42304"}]}}},{"package":{"name":"twisted","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/twisted?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"24.11.0-1ubuntu0.1"}]}],"versions":["24.11.0-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-twisted","binary_version":"24.11.0-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json","cves_map":{"ecosystem":"Ubuntu:25.10","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-2026-42304"}]}}},{"package":{"name":"twisted","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/twisted?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.5.0-5ubuntu0.1"}]}],"versions":["24.11.0-1","25.5.0-4","25.5.0-5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-twisted","binary_version":"25.5.0-5ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8380-1.json","cves_map":{"ecosystem":"Ubuntu:26.04:LTS","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-2026-42304"}]}}}],"schema_version":"1.7.5"}