{"id":"CVE-2015-8954","aliases":["DEBIAN-CVE-2015-8954","EUVD-2015-8810","GHSA-m68q-w483-4j98","UBUNTU-CVE-2015-8954"],"status":"published","title":"The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from...","description":"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.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03258,"percentile":0.88438,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2017-03-20T16:00:00Z","modified":"2026-09-09T07:02:01Z","fixes":[{"ecosystem":"Debian:13","package":"suricata","fixed_in":["2.0.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"suricata","fixed_in":["2.0.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.6-1"}]}]}],"products":[{"vendor":"openinfosecfoundation","product":"suricata"}],"references":[{"url":"https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://redmine.openinfosecfoundation.org/issues/1364","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777523","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-8954"},{"url":"https://suricata-ids.org/2015/01/15/suricata-2-0-6-available"},{"url":"https://github.com/advisories/GHSA-m68q-w483-4j98"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-8954","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2015-8954","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-8954","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-8954","description":"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.","status":"published","published":"2017-03-20T16:00:00Z","modified":"2024-08-06T08:36:31.124Z","updated_at":"2026-11-02T14:35:40.900357Z"}],"euvd":[{"id":"EUVD-2015-8810","description":"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.","status":"published","published":"2017-03-20T16:00:00Z","modified":"2024-08-06T08:36:31Z","updated_at":"2026-11-03T01:57:25.349664Z"}],"ghsa":[{"id":"GHSA-m68q-w483-4j98","title":"The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from...","description":"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.","status":"published","published":"2022-05-17T02:54:01Z","modified":"2025-04-20T03:35:29Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:01:42.936377Z"}],"nvd":[{"id":"CVE-2015-8954","description":"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.","status":"published","published":"2017-03-20T16:59:01.407Z","modified":"2026-06-17T00:35:33.47Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:17.368799Z"}],"osv":[{"id":"CVE-2015-8954","description":"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.","status":"published","published":"2017-03-20T16:59:01Z","modified":"2026-04-10T03:46:35.564115Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-8954","description":"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.","status":"published","published":"2017-03-20T16:59:01.407Z","modified":"2026-09-09T07:02:01.391967217Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"UBUNTU-CVE-2015-8954","description":"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.","status":"withdrawn","published":"2017-03-20T16:59:00Z","modified":"2025-07-16T07:33:41.842874Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:11.100633Z"}]}}