{"id":"USN-9000-1","summary":"twisted vulnerability","details":"It was discovered that Twisted's IMAP server mishandled wildcard\npatterns in mailbox list commands. An authenticated remote attacker\ncould possibly use this issue to cause Twisted to use excessive\nresources, leading to a denial of service.","modified":"2026-11-05T11:58:19.129141193Z","published":"2026-11-04T16:24:47Z","related":["UBUNTU-CVE-2026-106454"],"upstream":["CVE-2026-106454","UBUNTU-CVE-2026-106454"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-9000-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-106454"}],"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":"22.1.0-2ubuntu2.8"}]}],"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","22.1.0-2ubuntu2.7"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-twisted","binary_version":"22.1.0-2ubuntu2.8"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-106454","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9000-1.json"}},{"package":{"name":"twisted","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/twisted?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"24.3.0-1ubuntu0.3"}]}],"versions":["22.4.0-4","22.4.0-4ubuntu1","23.10.0-2","24.3.0-1","24.3.0-1ubuntu0.1","24.3.0-1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-twisted","binary_version":"24.3.0-1ubuntu0.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9000-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-106454","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"twisted","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/twisted?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.4.0-4ubuntu0.1"}]}],"versions":["25.5.0-5","26.4.0-4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-twisted","binary_version":"26.4.0-4ubuntu0.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.10","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-106454"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9000-1.json"}},{"package":{"name":"twisted","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/twisted?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.5.0-5ubuntu0.2"}]}],"versions":["24.11.0-1","25.5.0-4","25.5.0-5","25.5.0-5ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-twisted","binary_version":"25.5.0-5ubuntu0.2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-106454","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:26.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9000-1.json"}}],"schema_version":"1.9.2"}