{"id":"CVE-2015-6908","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-6908","generatedAt":"2026-11-05T05:57:17.980Z","title":"The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.","description":"The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.","published":"2015-09-11T16:59:13.000Z","lastModified":"2026-06-17T00:31:34.000Z","status":"Modified","sourceIdentifier":"security@debian.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-20"],"affected":["openldap/openldap","apple/mac os x"],"epss":{"score":0.18823,"percentile":0.97292,"date":"2026-11-04","history":[{"date":"2026-10-22","score":0.18823,"percentile":0.97279}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2015-09-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":38145,"kind":"exploit","title":"OpenLDAP 2.4.42 - ber_get_next Denial of Service","url":"https://www.exploit-db.com/exploits/38145","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/38145.txt","file":"exploits/linux/dos/38145.txt","published":"2015-09-11","added":"2015-09-11","updated":"2015-09-11","author":"Denis Andzakovic","type":"dos","platform":"linux","port":389,"verified":false,"codes":["CVE-2015-6908","OSVDB-127342"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comopenldap-2.4.42.tgz","screenshotUrl":null,"referenceUrl":"http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 18.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html","source":"security@debian.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html","source":"security@debian.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html","source":"security@debian.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html","source":"security@debian.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html","source":"security@debian.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html","source":"security@debian.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1840.html","source":"security@debian.org"},{"url":"http://www.debian.org/security/2015/dsa-3356","source":"security@debian.org"},{"url":"http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629","source":"security@debian.org"},{"url":"http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240","tags":["Exploit","Vendor Advisory"],"source":"security@debian.org"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html","source":"security@debian.org"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","source":"security@debian.org"},{"url":"http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf","source":"security@debian.org"},{"url":"http://www.securityfocus.com/bid/76714","source":"security@debian.org"},{"url":"http://www.securitytracker.com/id/1033534","source":"security@debian.org"},{"url":"http://www.ubuntu.com/usn/USN-2742-1","source":"security@debian.org"},{"url":"https://support.apple.com/HT205637","source":"security@debian.org"},{"url":"http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1840.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3356","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/76714","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1033534","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2742-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT205637","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-6908","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}