{"id":"UBUNTU-CVE-2016-0755","details":"The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015.","modified":"2026-04-22T10:27:11.000979Z","published":"2016-01-27T00:00:00Z","related":["USN-2882-1"],"upstream":["CVE-2016-0755"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-0755"},{"type":"REPORT","url":"http://curl.haxx.se/docs/adv_20160127A.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2882-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-0755"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/curl@7.35.0-1ubuntu2.6?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.35.0-1ubuntu2.6"}]}],"versions":["7.32.0-1ubuntu1","7.33.0-1ubuntu1","7.34.0-1ubuntu1","7.35.0-1ubuntu1","7.35.0-1ubuntu2","7.35.0-1ubuntu2.1","7.35.0-1ubuntu2.2","7.35.0-1ubuntu2.3","7.35.0-1ubuntu2.5"],"ecosystem_specific":{"binaries":[{"binary_version":"7.35.0-1ubuntu2.6","binary_name":"curl"},{"binary_version":"7.35.0-1ubuntu2.6","binary_name":"libcurl3"},{"binary_version":"7.35.0-1ubuntu2.6","binary_name":"libcurl3-gnutls"},{"binary_version":"7.35.0-1ubuntu2.6","binary_name":"libcurl3-nss"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-0755.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}