{"id":"UBUNTU-CVE-2015-3144","details":"The fix_hostname function in cURL and libcurl 7.37.0 through 7.41.0 does not properly calculate an index, which allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) or possibly have other unspecified impact via a zero-length host name, as demonstrated by \"http://:80\" and \":80.\"","modified":"2026-02-04T03:23:09.404977Z","published":"2015-04-22T00:00:00Z","withdrawn":"2025-07-18T16:43:12Z","related":["USN-2591-1"],"upstream":["CVE-2015-3144"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-3144"},{"type":"REPORT","url":"http://curl.haxx.se/docs/adv_20150422D.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2591-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-3144"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/curl@7.35.0-1ubuntu2.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.35.0-1ubuntu2.3"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"curl","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"curl-udeb","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl3","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl3-dbg","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl3-gnutls","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl3-nss","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl3-udeb","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl4-doc","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl4-gnutls-dev","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl4-nss-dev","binary_version":"7.35.0-1ubuntu2.3"},{"binary_name":"libcurl4-openssl-dev","binary_version":"7.35.0-1ubuntu2.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3144.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}