{"id":"UBUNTU-CVE-2020-25219","details":"url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.","modified":"2026-04-22T12:34:34.367017Z","published":"2020-09-09T21:15:00Z","related":["USN-4514-1"],"upstream":["CVE-2020-25219"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25219"},{"type":"REPORT","url":"https://github.com/libproxy/libproxy/issues/134"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4514-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-25219"}],"affected":[{"package":{"name":"libproxy","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libproxy@0.4.11-5ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.11-5ubuntu1.1"}]}],"versions":["0.4.11-4ubuntu3~gcc5.3","0.4.11-5ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"libproxy-tools"},{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"libproxy0.4-cil"},{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"libproxy1-plugin-gsettings"},{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"libproxy1-plugin-kconfig"},{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"libproxy1-plugin-networkmanager"},{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"libproxy1-plugin-webkit"},{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"libproxy1v5"},{"binary_version":"0.4.11-5ubuntu1.1","binary_name":"python-libproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25219.json"}},{"package":{"name":"libproxy","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libproxy@0.4.15-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.15-1ubuntu0.1"}]}],"versions":["0.4.14-3","0.4.15-0ubuntu1","0.4.15-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"libproxy-tools"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"libproxy0.4-cil"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"libproxy1-plugin-gsettings"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"libproxy1-plugin-kconfig"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"libproxy1-plugin-networkmanager"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"libproxy1-plugin-webkit"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"libproxy1v5"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"python-libproxy"},{"binary_version":"0.4.15-1ubuntu0.1","binary_name":"python3-libproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25219.json"}},{"package":{"name":"libproxy","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libproxy@0.4.15-10ubuntu1.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.15-10ubuntu1.1"}]}],"versions":["0.4.15-7","0.4.15-9","0.4.15-9build1","0.4.15-9ubuntu1","0.4.15-10","0.4.15-10ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy-tools"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy0.4-cil"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy1-plugin-gsettings"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy1-plugin-kconfig"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy1-plugin-mozjs"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy1-plugin-networkmanager"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy1-plugin-webkit"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"libproxy1v5"},{"binary_version":"0.4.15-10ubuntu1.1","binary_name":"python3-libproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25219.json"}}],"schema_version":"1.7.5","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"}]}