CVE-2017-2668

389-ds-base before versions 1.3.5.17 and 1.3.6.10 is vulnerable to an invalid pointer dereference...

6.5 MediumFix available

389-ds-base before versions 1.3.5.17 and 1.3.6.10 is vulnerable to an invalid pointer dereference in the way LDAP bind requests are handled. A remote unauthenticated attacker could use this flaw to make ns-slapd crash via a specially crafted LDAP bind request, resulting in denial of service.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

2.50%Up 0.6 points since Apr 14, 2021

What each source reports

CVE List Score used 6.5

Record: CVE-2017-2668
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-119
Updated: 2026-11-02

EUVDEUVD-2017-11813 6.5

Record: EUVD-2017-11813
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8xf9-83fh-q7rf 6.5

389-ds-base before versions 1.3.5.17 and 1.3.6.10 is vulnerable to an invalid pointer dereference...

Record: GHSA-8xf9-83fh-q7rf
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

NVD 6.5

Record: CVE-2017-2668
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-119, CWE-476
Updated: 2026-11-02

OSV 6.5

Record: CVE-2017-2668
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-2668 6.5

Record: DEBIAN-CVE-2017-2668
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

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OSVRHSA-2017:0893 6.5

Red Hat Security Advisory: 389-ds-base security and bug fix update

Record: RHSA-2017:0893
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVRHSA-2017:0920 6.5

Red Hat Security Advisory: 389-ds-base security and bug fix update

Record: RHSA-2017:0920
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-2668 6.5

Record: UBUNTU-CVE-2017-2668
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVMGASA-2017-0123 No score

Updated 389-ds-base packages fix security vulnerability

An invalid pointer dereference flaw was found in the way 389-ds-base handled LDAP bind requests. A remote unauthenticated attacker could use this flaw to make ns-slapd crash via a specially crafted LDAP bind request, resulting in denial of service. (CVE-2017-2668)

Record: MGASA-2017-0123
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`389-ds-base` Debian:12	before 1.3.5.17-1	1.3.5.17-1
`389-ds-base` Debian:13	before 1.3.5.17-1	1.3.5.17-1
`389-ds-base` Mageia:5	before 1.3.4.14-1.2.mga5	1.3.4.14-1.2.mga5
`389-ds-base` Red Hat:enterprise_linux:6::client	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::client	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-devel` Red Hat:enterprise_linux:6::client	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-libs` Red Hat:enterprise_linux:6::client	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base` Red Hat:enterprise_linux:6::computenode	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::computenode	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-devel` Red Hat:enterprise_linux:6::computenode	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9

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Affected packages
Package	Affected	Fixed
`389-ds-base-libs` Red Hat:enterprise_linux:6::computenode	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base` Red Hat:enterprise_linux:6::server	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::server	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-libs` Red Hat:enterprise_linux:6::server	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-devel` Red Hat:enterprise_linux:6::server	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base` Red Hat:enterprise_linux:6::workstation	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::workstation	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-libs` Red Hat:enterprise_linux:6::workstation	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base-devel` Red Hat:enterprise_linux:6::workstation	before 0:1.2.11.15-91.el6_9	0:1.2.11.15-91.el6_9
`389-ds-base` Red Hat:enterprise_linux:7::client	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-debuginfo` Red Hat:enterprise_linux:7::client	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-devel` Red Hat:enterprise_linux:7::client	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-libs` Red Hat:enterprise_linux:7::client	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-snmp` Red Hat:enterprise_linux:7::client	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base` Red Hat:enterprise_linux:7::computenode	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-debuginfo` Red Hat:enterprise_linux:7::computenode	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-devel` Red Hat:enterprise_linux:7::computenode	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-libs` Red Hat:enterprise_linux:7::computenode	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-snmp` Red Hat:enterprise_linux:7::computenode	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base` Red Hat:enterprise_linux:7::server	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-debuginfo` Red Hat:enterprise_linux:7::server	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-libs` Red Hat:enterprise_linux:7::server	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-devel` Red Hat:enterprise_linux:7::server	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-snmp` Red Hat:enterprise_linux:7::server	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base` Red Hat:enterprise_linux:7::workstation	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-debuginfo` Red Hat:enterprise_linux:7::workstation	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-libs` Red Hat:enterprise_linux:7::workstation	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-devel` Red Hat:enterprise_linux:7::workstation	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base-snmp` Red Hat:enterprise_linux:7::workstation	before 0:1.3.5.10-20.el7_3	0:1.3.5.10-20.el7_3
`389-ds-base` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 1.3.3.12-1build11.3.3.13-11.3.4.5-21.3.4.8-11.3.4.8-3 Show 4 moreShow less 1.3.4.8-3ubuntu11.3.4.8-41.3.4.9-11.3.4.9-1ubuntu0.1~esm1	None known
`389-ds-base` Ubuntu:26.04:LTS	All versions, plus listed versions 3.1.2+dfsg1-13.1.2+vendor1-2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-2668 is a medium vulnerability (CVSS 6.5) in [unknown] 389-ds-base, published May 2, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.50%, the 84th percentile. Fixed in 389-ds-base 1.3.5.17-1.

References

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