{"cve":"CVE-2015-7540","nvd":{"published":"2015-12-29T22:59:05.297","modified":"2026-06-17T00:32:42.553","status":"Modified","description":"The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-399"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html","http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html","http://www.debian.org/security/2016/dsa-3433","http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","samba:samba"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2015-7540","score":0.07116,"percentile":0.94249,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}