{"schemaVersion":3,"id":"CVE-2001-0977","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"slapd in OpenLDAP 1.x before 1.2.12, and 2.x before 2.0.8, allows remote attackers to cause a denial of service (crash) via an invalid Basic Encoding Rules (BER) length field.","dates":{"published":"2002-06-25T04:00:00.000Z","modified":"2024-08-08T04:37:07.240Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"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}]},"epss":{"probability":0.04093,"percentile":0.90624,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.04093},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04093,"percentile":0.90624}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04093,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04093,"percentile":0.90624}]},"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":[],"affected":[{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.2","eol":{"isEol":true,"eolDate":"2003-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"2.2","label":"2.2 (Potato)","eolFrom":"2003-06-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"2.2r7"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"mandrakesoft","product":"mandrake_linux","name":"mandrake linux","label":"mandrake_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"7.1","noFixRecorded":false,"fixedIn":null},{"text":"7.2","noFixRecorded":false,"fixedIn":null},{"text":"8.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.1 | 7.2 | 8.0","eol":null,"hubHref":"/vendor/mandrakesoft/mandrake_linux"},{"vendor":"mandrakesoft","product":"mandrake_linux_corporate_server","name":"mandrake linux corporate server","label":"mandrake_linux_corporate_server","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"1.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.1","eol":null,"hubHref":"/vendor/mandrakesoft/mandrake_linux_corporate_server"},{"vendor":"mandrakesoft","product":"mandrake_single_network_firewall","name":"mandrake single network firewall","label":"mandrake_single_network_firewall","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.2","eol":null,"hubHref":"/vendor/mandrakesoft/mandrake_single_network_firewall"},{"vendor":"openldap","product":"openldap","name":"openldap","label":"openldap","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.0","noFixRecorded":false,"fixedIn":null},{"text":"1.0.1","noFixRecorded":false,"fixedIn":null},{"text":"1.0.2","noFixRecorded":false,"fixedIn":null},{"text":"1.0.3","noFixRecorded":false,"fixedIn":null},{"text":"1.1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.2","noFixRecorded":false,"fixedIn":null},{"text":"1.1.3","noFixRecorded":false,"fixedIn":null},{"text":"1.1.4","noFixRecorded":false,"fixedIn":null},{"text":"1.2","noFixRecorded":false,"fixedIn":null},{"text":"1.2.1","noFixRecorded":false,"fixedIn":null},{"text":"1.2.2","noFixRecorded":false,"fixedIn":null},{"text":"1.2.3","noFixRecorded":false,"fixedIn":null},{"text":"1.2.4","noFixRecorded":false,"fixedIn":null},{"text":"1.2.5","noFixRecorded":false,"fixedIn":null},{"text":"1.2.6","noFixRecorded":false,"fixedIn":null},{"text":"1.2.7","noFixRecorded":false,"fixedIn":null},{"text":"1.2.8","noFixRecorded":false,"fixedIn":null},{"text":"1.2.9","noFixRecorded":false,"fixedIn":null},{"text":"1.2.10","noFixRecorded":false,"fixedIn":null},{"text":"1.2.11","noFixRecorded":false,"fixedIn":null},{"text":"1.2.12","noFixRecorded":false,"fixedIn":null},{"text":"2.0","noFixRecorded":false,"fixedIn":null},{"text":"2.0.1","noFixRecorded":false,"fixedIn":null},{"text":"2.0.2","noFixRecorded":false,"fixedIn":null},{"text":"2.0.3","noFixRecorded":false,"fixedIn":null},{"text":"2.0.4","noFixRecorded":false,"fixedIn":null},{"text":"2.0.5","noFixRecorded":false,"fixedIn":null},{"text":"2.0.6","noFixRecorded":false,"fixedIn":null},{"text":"2.0.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0 | 1.0.1 | 1.0.2 | 1.0.3 | 1.1 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.2 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.5 | 1.2.6 | 1.2.7 | 1.2.8 | 1.2.9 | 1.2.10 | 1.2.11 | 1.2.12 | 2.0 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.0.6 | 2.0.7","eol":null,"hubHref":"/vendor/openldap/openldap"},{"vendor":"redhat","product":"linux","name":"linux","label":"linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"6.2","noFixRecorded":false,"fixedIn":null},{"text":"7.0","noFixRecorded":false,"fixedIn":null},{"text":"7.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.2 | 7.0 | 7.1","eol":null,"hubHref":"/vendor/redhat/linux"}],"affectedCount":6,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.cert.org/advisories/CA-2001-18.html","label":"www.cert.org/advisories/CA-2001-18.html","hostname":"www.cert.org","tags":["Third Party Advisory","X Refsource CERT","Patch","US Government Resource"]},{"url":"http://www.osvdb.org/1905","label":"www.osvdb.org/1905","hostname":"www.osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://www.redhat.com/support/errata/RHSA-2001-098.html","label":"www.redhat.com/support/errata/RHSA-2001-098.html","hostname":"www.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"http://www.debian.org/security/2001/dsa-068","label":"www.debian.org/security/2001/dsa-068","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-069.php3","label":"www.linux-mandrake.com/en/security/2001/MDKSA-2001-069.php3","hostname":"www.linux-mandrake.com","tags":["Vendor Advisory","X Refsource MANDRAKE","Patch"]},{"url":"http://www.kb.cert.org/vuls/id/935800","label":"www.kb.cert.org/vuls/id/935800","hostname":"www.kb.cert.org","tags":["Third Party Advisory","X Refsource CERT VN","Patch","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/3049","label":"www.securityfocus.com/bid/3049","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Patch","Vendor Advisory"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000417","label":"distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000417","hostname":"distro.conectiva.com.br","tags":["Vendor Advisory","X Refsource CONECTIVA"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6904","label":"exchange.xforce.ibmcloud.com/vulnerabilities/6904","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2002-06-25T04:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-08T04:37:07.240Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T18:53:45.718Z","stale":false,"partial":false}}