Detections
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Echo: openldap: security update to 2.5.13+dfsg-5

high Tenable Cloud Security Plugin ID 460120

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof
 overlay are enabled, attempts to free a buffer that was allocated on the stack, which allows remote
 attackers to cause a denial of service (slapd crash) via a member MODDN operation. (CVE-2017-17740)

Solution

Update the openldap library and its related packages to version 2.5.13+dfsg-5 or later.

See Also

https://advisory.echohq.com/cve/CVE-2017-17740

Plugin Details

Severity: High

ID: 460120

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2017-17740

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 10/20/2017

Reference Information

CVE: CVE-2017-17740