{"id":"CVE-2015-1545","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-1545","generatedAt":"2026-11-05T06:27:57.431Z","title":"The deref_parseCtrl function in servers/slapd/overlays/deref.c in OpenLDAP 2.4.13 through 2.4.40 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an empty attribute list in a deref control in a search request.","description":"The deref_parseCtrl function in servers/slapd/overlays/deref.c in OpenLDAP 2.4.13 through 2.4.40 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an empty attribute list in a deref control in a search request.","published":"2015-02-12T16:59:06.000Z","lastModified":"2026-06-17T00:22:35.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["openldap/openldap"],"epss":{"score":0.11091,"percentile":0.95938,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-07/msg00069.html","source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2019/Dec/26","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/62787","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2015/dsa-3209","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:073","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:074","source":"cve@mitre.org"},{"url":"http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=c32e74763f77675b9e144126e375977ed6dc562c","source":"cve@mitre.org"},{"url":"http://www.openldap.org/its/?findid=8027","tags":["Exploit","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2015/02/07/3","source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/72519","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1032399","source":"cve@mitre.org"},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776988","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/100937","source":"cve@mitre.org"},{"url":"https://seclists.org/bugtraq/2019/Dec/23","source":"cve@mitre.org"},{"url":"https://support.apple.com/HT204659","source":"cve@mitre.org"},{"url":"https://support.apple.com/kb/HT210788","source":"cve@mitre.org"},{"url":"http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-07/msg00069.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2019/Dec/26","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/62787","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3209","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:073","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:074","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=c32e74763f77675b9e144126e375977ed6dc562c","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openldap.org/its/?findid=8027","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2015/02/07/3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/72519","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1032399","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776988","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/100937","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://seclists.org/bugtraq/2019/Dec/23","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT204659","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT210788","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-1545","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."}