{"schemaVersion":3,"id":"CVE-2015-3223","aliases":["UBUNTU-CVE-2015-3223","DEBIAN-CVE-2015-3223"],"status":"published","duplicateOf":null,"title":null,"description":"The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.","dates":{"published":"2015-12-29T22:00:00.000Z","modified":"2024-08-06T05:39:32.055Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.3,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":5.3,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","exploitability":10,"impact":2.3,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":5.3,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","exploitability":10,"impact":2.3,"computed":true}]},"epss":{"probability":0.06884,"percentile":0.94014,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.06884},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.07155,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.06884,"percentile":0.94014}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.07155,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.06884,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.06884,"percentile":0.94014}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-189","name":"Numeric Errors","description":"Weaknesses in this category are related to improper calculation or conversion of numbers.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/189.html"},{"id":"CWE-399","name":"Resource Management Errors","description":"Weaknesses in this category are related to improper management of system resources.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/399.html"}],"affected":[{"vendor":"debian","product":"samba","name":"samba","label":"samba","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/samba","purlType":"deb","versions":[{"text":"< 2:4.1.22+dfsg-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:4.1.22+dfsg-1","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"samba","label":"Samba","category":"server-app"}},"hubHref":null},{"vendor":"ubuntu","product":"ldb","name":"ldb","label":"ldb","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ldb","purlType":"deb","versions":[{"text":"< 1:1.1.16-1ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 2:1.1.24-1ubuntu1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.1.16-1ubuntu0.1 | < 2:1.1.24-1ubuntu1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"samba","name":"samba","label":"samba","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/samba","purlType":"deb","versions":[{"text":"< 2:4.1.6+dfsg-1ubuntu2.14.04.11","noFixRecorded":false,"fixedIn":null},{"text":"< 2:4.3.3+dfsg-1ubuntu1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:4.1.6+dfsg-1ubuntu2.14.04.11 | < 2:4.3.3+dfsg-1ubuntu1","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"samba","label":"Samba","category":"server-app"}},"hubHref":null},{"vendor":"samba","product":"samba","name":"Samba","label":"samba","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"4.0.0","noFixRecorded":false,"fixedIn":null},{"text":"4.0.1","noFixRecorded":false,"fixedIn":null},{"text":"4.0.2","noFixRecorded":false,"fixedIn":null},{"text":"4.0.3","noFixRecorded":false,"fixedIn":null},{"text":"4.0.4","noFixRecorded":false,"fixedIn":null},{"text":"4.0.5","noFixRecorded":false,"fixedIn":null},{"text":"4.0.6","noFixRecorded":false,"fixedIn":null},{"text":"4.0.7","noFixRecorded":false,"fixedIn":null},{"text":"4.0.8","noFixRecorded":false,"fixedIn":null},{"text":"4.0.9","noFixRecorded":false,"fixedIn":null},{"text":"4.0.10","noFixRecorded":false,"fixedIn":null},{"text":"4.0.11","noFixRecorded":false,"fixedIn":null},{"text":"4.0.12","noFixRecorded":false,"fixedIn":null},{"text":"4.0.13","noFixRecorded":false,"fixedIn":null},{"text":"4.0.14","noFixRecorded":false,"fixedIn":null},{"text":"4.0.15","noFixRecorded":false,"fixedIn":null},{"text":"4.0.16","noFixRecorded":false,"fixedIn":null},{"text":"4.0.17","noFixRecorded":false,"fixedIn":null},{"text":"4.0.18","noFixRecorded":false,"fixedIn":null},{"text":"4.0.19","noFixRecorded":false,"fixedIn":null},{"text":"4.0.20","noFixRecorded":false,"fixedIn":null},{"text":"4.0.21","noFixRecorded":false,"fixedIn":null},{"text":"4.0.22","noFixRecorded":false,"fixedIn":null},{"text":"4.0.23","noFixRecorded":false,"fixedIn":null},{"text":"4.0.24","noFixRecorded":false,"fixedIn":null},{"text":"4.1.0","noFixRecorded":false,"fixedIn":null},{"text":"4.1.1","noFixRecorded":false,"fixedIn":null},{"text":"4.1.2","noFixRecorded":false,"fixedIn":null},{"text":"4.1.3","noFixRecorded":false,"fixedIn":null},{"text":"4.1.4","noFixRecorded":false,"fixedIn":null},{"text":"4.1.5","noFixRecorded":false,"fixedIn":null},{"text":"4.1.6","noFixRecorded":false,"fixedIn":null},{"text":"4.1.7","noFixRecorded":false,"fixedIn":null},{"text":"4.1.8","noFixRecorded":false,"fixedIn":null},{"text":"4.1.9","noFixRecorded":false,"fixedIn":null},{"text":"4.1.10","noFixRecorded":false,"fixedIn":null},{"text":"4.1.11","noFixRecorded":false,"fixedIn":null},{"text":"4.1.12","noFixRecorded":false,"fixedIn":null},{"text":"4.1.13","noFixRecorded":false,"fixedIn":null},{"text":"4.1.14","noFixRecorded":false,"fixedIn":null},{"text":"4.1.15","noFixRecorded":false,"fixedIn":null},{"text":"4.1.16","noFixRecorded":false,"fixedIn":null},{"text":"4.1.17","noFixRecorded":false,"fixedIn":null},{"text":"4.1.18","noFixRecorded":false,"fixedIn":null},{"text":"4.1.19","noFixRecorded":false,"fixedIn":null},{"text":"4.1.20","noFixRecorded":false,"fixedIn":null},{"text":"4.1.21","noFixRecorded":false,"fixedIn":null},{"text":"4.2.0","noFixRecorded":false,"fixedIn":null},{"text":"4.2.1","noFixRecorded":false,"fixedIn":null},{"text":"4.2.2","noFixRecorded":false,"fixedIn":null},{"text":"4.2.3","noFixRecorded":false,"fixedIn":null},{"text":"4.2.4","noFixRecorded":false,"fixedIn":null},{"text":"4.2.5","noFixRecorded":false,"fixedIn":null},{"text":"4.2.6","noFixRecorded":false,"fixedIn":null},{"text":"4.3.0","noFixRecorded":false,"fixedIn":null},{"text":"4.3.1","noFixRecorded":false,"fixedIn":null},{"text":"4.3.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6 | 4.0.7 | 4.0.8 | 4.0.9 | 4.0.10 | 4.0.11 | 4.0.12 | 4.0.13 | 4.0.14 | 4.0.15 | 4.0.16 | 4.0.17 | 4.0.18 | 4.0.19 | 4.0.20 | 4.0.21 | 4.0.22 | 4.0.23 | 4.0.24 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6 | 4.1.7 | 4.1.8 | 4.1.9 | 4.1.10 | 4.1.11 | 4.1.12 | 4.1.13 | 4.1.14 | 4.1.15 | 4.1.16 | 4.1.17 | 4.1.18 | 4.1.19 | 4.1.20 | 4.1.21 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.2.4 | 4.2.5 | 4.2.6 | 4.3.0 | 4.3.1 | 4.3.2","eol":{"isEol":true,"eolDate":"2015-09-08T00:00:00.000Z","matchMethod":"name_exact","cycle":{"name":"4.0","label":"4.0","eolFrom":"2015-09-08T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"4.0.26"},"product":{"name":"samba","label":"Samba","category":"server-app"}},"hubHref":"/vendor/samba/samba"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1290287","label":"bugzilla.redhat.com/show_bug.cgi?id=1290287","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html","label":"lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://www.ubuntu.com/usn/USN-2855-2","label":"www.ubuntu.com/usn/USN-2855-2","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"https://www.samba.org/samba/security/CVE-2015-3223.html","label":"www.samba.org/samba/security/CVE-2015-3223.html","hostname":"www.samba.org","tags":["X Refsource CONFIRM","Vendor Advisory","REPORT"]},{"url":"http://www.ubuntu.com/usn/USN-2856-1","label":"www.ubuntu.com/usn/USN-2856-1","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html","label":"lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","label":"www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","hostname":"www.oracle.com","tags":["X Refsource CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html","label":"lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://www.securityfocus.com/bid/79731","label":"www.securityfocus.com/bid/79731","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8","label":"git.samba.org?p=samba.git%3Ba=commit%3Bh=ec504dbf69636a554add1f3d5703dd6c3ad450b8","hostname":"git.samba.org","tags":["X Refsource CONFIRM"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html","label":"lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html","label":"lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"http://www.securitytracker.com/id/1034493","label":"www.securitytracker.com/id/1034493","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK"]},{"url":"http://www.debian.org/security/2016/dsa-3433","label":"www.debian.org/security/2016/dsa-3433","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465","label":"git.samba.org?p=samba.git%3Ba=commit%3Bh=aa6c27148b9d3f8c1e4fdd5dd46bfecbbd0ca465","hostname":"git.samba.org","tags":["X Refsource CONFIRM"]},{"url":"https://security.gentoo.org/glsa/201612-47","label":"security.gentoo.org/glsa/201612-47","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"http://www.ubuntu.com/usn/USN-2855-1","label":"www.ubuntu.com/usn/USN-2855-1","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html","label":"lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"https://ubuntu.com/security/CVE-2015-3223","label":"ubuntu.com/security/CVE-2015-3223","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-2855-1","label":"ubuntu.com/security/notices/USN-2855-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/notices/USN-2856-1","label":"ubuntu.com/security/notices/USN-2856-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-3223","label":"www.cve.org/CVERecord?id=CVE-2015-3223","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-3223","label":"security-tracker.debian.org/tracker/CVE-2015-3223","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DSA-3433-1","MGASA-2016-0094","OPENSUSE-SU-2024:10069-1","OPENSUSE-SU-2024:10074-1","RHSA-2016:0009","RHSA-2016:0014","SUSE-SU-2015:2304-1","SUSE-SU-2015:2305-1","USN-2855-1","USN-2856-1"],"duplicates":[],"related":["OPENSUSE-SU-2024:10069-1","OPENSUSE-SU-2024:10074-1","SUSE-SU-2015:2304-1","SUSE-SU-2015:2305-1","USN-2855-1","USN-2856-1"]},"timeline":[{"kind":"published","date":"2015-12-29T22:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T05:39:32.055Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":23,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T03:57:20.819Z","stale":false,"partial":false}}