{"id":"USN-7547-1","summary":"python-tornado vulnerability","details":"It was discovered that Tornado inefficiently handled requests when\nparsing certain form data. An attacker could possibly use this issue to\nincrease resource utilization leading to a denial of service. This issue\nwas only addressed in Ubuntu 24.04 LTS and Ubuntu 22.04 LTS.\n(CVE-2025-47287)","modified":"2026-02-10T04:48:59Z","published":"2025-06-02T09:04:10Z","related":["UBUNTU-CVE-2025-47287"],"upstream":["CVE-2025-47287","UBUNTU-CVE-2025-47287"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7547-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-47287"}],"affected":[{"package":{"name":"python-tornado","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/python-tornado@6.1.0-3ubuntu0.1~esm2?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.0-3ubuntu0.1~esm2"}]}],"versions":["6.1.0-1build1","6.1.0-2","6.1.0-3","6.1.0-3build1","6.1.0-3ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"python3-tornado","binary_version":"6.1.0-3ubuntu0.1~esm2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:22.04:LTS","cves":[{"id":"CVE-2025-47287","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7547-1.json"}},{"package":{"name":"python-tornado","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/python-tornado@6.4.0-1ubuntu0.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.0-1ubuntu0.2"}]}],"versions":["6.3.2-1","6.4.0-0ubuntu1","6.4.0-1","6.4.0-1build1","6.4.0-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-tornado","binary_version":"6.4.0-1ubuntu0.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-47287","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7547-1.json"}}],"schema_version":"1.7.3"}