The BDB backend for slapd in OpenLDAP before 2.3.36 allows remote authenticated users to…
Priority LOW 23CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
The BDB backend for slapd in OpenLDAP before 2.3.36 allows remote authenticated users to cause a denial of service (crash) via a potentially-successful modify operation with the NOOP control set to critical, possibly due to a double free vulnerability.
Why it matters now
EPSS 0.02044 81st percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2008:0110 Released 2008-02-21 · Red Hat rating Moderateopenldap security update
- Red Hat Enterprise Linux (v. 5 server) compat-openldap-2.3.27_2.2.29-8.el5_1.3, compat-openldap-2.3.27_2.2.29-8.el5_1.3.i386, compat-openldap-2.3.27_2.2.29-8.el5_1.3.ia64 +21
- Red Hat Enterprise Linux AS version 4 compat-openldap-2.1.30-8.el4_6.4, compat-openldap-2.1.30-8.el4_6.4.i386, compat-openldap-2.1.30-8.el4_6.4.ia64 +21
- Red Hat Enterprise Linux Desktop (v. 5 client) compat-openldap-2.3.27_2.2.29-8.el5_1.3, compat-openldap-2.3.27_2.2.29-8.el5_1.3.i386, openldap-2.3.27-8.el5_1.3 +3
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) openldap-2.3.27-8.el5_1.3, openldap-devel-2.3.27-8.el5_1.3, openldap-devel-2.3.27-8.el5_1.3.i386 +4
- Red Hat Enterprise Linux Desktop version 4 compat-openldap-2.1.30-8.el4_6.4, compat-openldap-2.1.30-8.el4_6.4.i386, openldap-2.2.13-8.el4_6.4 +9
- Red Hat Enterprise Linux ES version 4 compat-openldap-2.1.30-8.el4_6.4, compat-openldap-2.1.30-8.el4_6.4.i386, compat-openldap-2.1.30-8.el4_6.4.ia64 +15
- Red Hat Enterprise Linux WS version 4 compat-openldap-2.1.30-8.el4_6.4, compat-openldap-2.1.30-8.el4_6.4.i386, compat-openldap-2.1.30-8.el4_6.4.ia64 +15
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0110 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2008:0110 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0110 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2008:0110 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0110 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2008:0110 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2008:0110 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-6698
- 2026-10-03 Alias added: GHSA-9xcf-r85j-w8gv
References
Advisory 8
Other 7
- [openldap-bugs] 20070411 (ITS#4925) Modify operation with NOOP control on a BDB backend causes slapd to crash
- http://wiki.rpath.com/Advisories:rPSA-2008-0059
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0059
- https://bugzilla.redhat.com/show_bug.cgi?id=431203
- oval:org.mitre.oval:def:10748
- [openldap-bugs] 20070411 Re: (ITS#4925) Modify operation with NOOP control on a BDB backend causes slapd to crash
- http://support.apple.com/kb/HT3937
More Openldap vulnerabilities
- TI-2022-11700 In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2020-18548 An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in… CVSS 3.1HIGH 7.5
- TI-2020-18541 An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in… CVSS 3.1HIGH 7.5
- TI-2020-18547 A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with… CVSS 3.1HIGH 7.5
- TI-2020-18542 A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd… CVSS 3.1HIGH 7.5
- TI-2006-05563 OpenLDAP before 2.3.29 allows remote attackers to cause a denial of service (daemon… CVSS 3.1HIGH 7.5
Sources
- CVE-2007-6698 · CVE Program
- CVE-2007-6698 · NVD
- FIRST EPSS
- GHSA-9xcf-r85j-w8gv · GitHub Advisory Database · CC BY 4.0
- CVE-2007-6698 · Red Hat security data · CC BY 4.0
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