{"id":"UBUNTU-CVE-2015-8954","details":"The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from comparisons, which might allow remote attackers to bypass intrusion-prevention functionality via a crafted HTTP request.","modified":"2025-07-16T08:18:34.212470Z","published":"2017-03-20T16:59:00Z","withdrawn":"2025-07-18T16:43:20Z","upstream":["CVE-2015-8954"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8954"},{"type":"REPORT","url":"https://redmine.openinfosecfoundation.org/issues/1364"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-8954"}],"affected":[{"package":{"name":"suricata","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/suricata@3.0-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0-1"}]}],"versions":["2.0.8-1build1","2.0.9-1","2.0.10-1","2.0.10-2","2.0.11-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.0-1","binary_name":"suricata"},{"binary_version":"3.0-1","binary_name":"suricata-dbg"},{"binary_version":"3.0-1","binary_name":"suricata-dbgsym"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-8954.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}