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.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-3433-1 samba security update
Ubuntu USN Ubuntu USN USN-2855-1 Samba vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T07:51:28.452Z

Reserved: 2015-09-29T00:00:00

Link: CVE-2015-7540

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2015-12-29T22:59:05.297

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-7540

cve-icon Redhat

Severity : Moderate

Publid Date: 2015-12-16T00:00:00Z

Links: CVE-2015-7540 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses