{"id":"USN-4565-1","summary":"openconnect vulnerability","details":"It was discovered that OpenConnect has a buffer overflow when a malicious\nserver uses HTTP chunked encoding with crafted chunk sizes. An attacker\ncould use it to provoke a denial of service (crash).\n","modified":"2026-04-22T10:18:31.410366Z","published":"2020-10-05T13:24:31Z","related":["UBUNTU-CVE-2019-16239"],"upstream":["CVE-2019-16239","UBUNTU-CVE-2019-16239"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4565-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-16239"}],"affected":[{"package":{"name":"openconnect","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openconnect@7.08-3ubuntu0.18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.08-3ubuntu0.18.04.2"}]}],"versions":["7.08-1","7.08-2","7.08-3","7.08-3ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"7.08-3ubuntu0.18.04.2","binary_name":"libopenconnect5"},{"binary_version":"7.08-3ubuntu0.18.04.2","binary_name":"openconnect"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2019-16239"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4565-1.json"}}],"schema_version":"1.7.5"}