{"id":"USN-4600-2","summary":"netty vulnerabilities","details":"USN-4600-1 fixed multiple vunerabilities in Netty 3.9. This update provides\nthe corresponding fixes for CVE-2019-20444, CVE-2019-20445 for Netty.\n\nAlso it was discovered that Netty allow for unbounded memory allocation. A\nremote attacker could send a large stream to the Netty server causing it to\ncrash (denial of service). (CVE-2020-11612)\n\nOriginal advisory details:\n\n It was discovered that Netty had HTTP request smuggling vulnerabilities. A\n remote attacker could used it to extract sensitive information. (CVE-2019-16869,\n CVE-2019-20444, CVE-2019-20445, CVE-2020-7238)\n","modified":"2026-02-10T04:41:58Z","published":"2020-10-27T13:40:49Z","related":["UBUNTU-CVE-2019-20444","UBUNTU-CVE-2019-20445","UBUNTU-CVE-2020-11612"],"upstream":["CVE-2019-20444","CVE-2019-20445","CVE-2020-11612","UBUNTU-CVE-2019-20444","UBUNTU-CVE-2019-20445","UBUNTU-CVE-2020-11612"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4600-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20444"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20445"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-11612"}],"affected":[{"package":{"name":"netty","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/netty@1:4.1.7-4ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.7-4ubuntu0.1"}]}],"versions":["1:4.1.7-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libnetty-java","binary_version":"1:4.1.7-4ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2019-20444","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-20445","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2020-11612","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"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4600-2.json"}}],"schema_version":"1.7.3"}