{"id":"CURL-CVE-2016-8616","summary":"case insensitive password comparison","details":"When reusing a connection, curl was doing case insensitive comparisons of\nusername and password with the existing connections.\n\nThis means that if an unused connection with proper credentials exists for a\nprotocol that has connection-scoped credentials, an attacker can cause that\nconnection to be reused if s/he knows the case-insensitive version of the\ncorrect password.","aliases":["CVE-2016-8616"],"modified":"2026-04-25T16:17:46.735720Z","published":"2016-11-02T08:00:00Z","database_specific":{"affects":"both","www":"https://curl.se/docs/CVE-2016-8616.html","CWE":{"id":"CWE-178","desc":"Improper Handling of Case Sensitivity"},"last_affected":"7.50.3","severity":"Medium","package":"curl","URL":"https://curl.se/docs/CVE-2016-8616.json"},"affected":[{"ranges":[{"type":"SEMVER","events":[{"introduced":"7.7"},{"fixed":"7.51.0"}]}],"versions":["7.50.3","7.50.2","7.50.1","7.50.0","7.49.1","7.49.0","7.48.0","7.47.1","7.47.0","7.46.0","7.45.0","7.44.0","7.43.0","7.42.1","7.42.0","7.41.0","7.40.0","7.39.0","7.38.0","7.37.1","7.37.0","7.36.0","7.35.0","7.34.0","7.33.0","7.32.0","7.31.0","7.30.0","7.29.0","7.28.1","7.28.0","7.27.0","7.26.0","7.25.0","7.24.0","7.23.1","7.23.0","7.22.0","7.21.7","7.21.6","7.21.5","7.21.4","7.21.3","7.21.2","7.21.1","7.21.0","7.20.1","7.20.0","7.19.7","7.19.6","7.19.5","7.19.4","7.19.3","7.19.2","7.19.1","7.19.0","7.18.2","7.18.1","7.18.0","7.17.1","7.17.0","7.16.4","7.16.3","7.16.2","7.16.1","7.16.0","7.15.5","7.15.4","7.15.3","7.15.2","7.15.1","7.15.0","7.14.1","7.14.0","7.13.2","7.13.1","7.13.0","7.12.3","7.12.2","7.12.1","7.12.0","7.11.2","7.11.1","7.11.0","7.10.8","7.10.7","7.10.6","7.10.5","7.10.4","7.10.3","7.10.2","7.10.1","7.10","7.9.8","7.9.7","7.9.6","7.9.5","7.9.4","7.9.3","7.9.2","7.9.1","7.9","7.8.1","7.8","7.7.3","7.7.2","7.7.1","7.7"],"database_specific":{"source":"https://curl.se/docs/CURL-CVE-2016-8616.json"}}],"schema_version":"1.7.5","credits":[{"name":"Cure53","type":"FINDER"},{"name":"Daniel Stenberg","type":"REMEDIATION_DEVELOPER"}]}