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Fencer Vulns
medium 4.0

CVE-2007-6698 json

The BDB backend for slapd in OpenLDAP before 2.3.36 allows remote authenticated users to cause a denial of service (crash) via a potentiall…

published 2008-02-01 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6662

cvss
4.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

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.

Patch / fix

  • openldap RHEL 4 2.2.13-8.el4_6.4
  • openldap RHEL 5 2.3.27-8.el5_1.3
  • compat-openldap RHEL 4 2.1.30-8.el4_6.4
  • compat-openldap RHEL 5 2.3.27_2.2.29-8.el5_1.3
  • openldap-clients RHEL 4 2.2.13-8.el4_6.4
  • openldap-clients RHEL 5 2.3.27-8.el5_1.3
  • openldap-servers RHEL 4 2.2.13-8.el4_6.4
  • openldap-servers RHEL 5 2.3.27-8.el5_1.3

red hat advisories RHSA-2008:0110

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-6698 updated

openldap: slapd crash on NOOP control operation on entry in bdb storage

  • Red Hat Enterprise Linux (v. 5 server) openldap 2.3.27-8.el5_1.3, openldap-clients 2.3.27-8.el5_1.3, openldap-servers 2.3.27-8.el5_1.3, openldap-servers-sql 2.3.27-8.el5_1.3, compat-openldap 2.3.27_2.2.29-8.el5_1.3 Red Hat Enterprise Linux AS version 4 openldap 2.2.13-8.el4_6.4, compat-openldap 2.1.30-8.el4_6.4, openldap-clients 2.2.13-8.el4_6.4, openldap-servers 2.2.13-8.el4_6.4, openldap-servers-sql 2.2.13-8.el4_6.4 Red Hat Enterprise Linux Desktop (v. 5 client) openldap 2.3.27-8.el5_1.3, openldap-clients 2.3.27-8.el5_1.3, openldap-servers 2.3.27-8.el5_1.3, openldap-servers-sql 2.3.27-8.el5_1.3, compat-openldap 2.3.27_2.2.29-8.el5_1.3 Red Hat Enterprise Linux Desktop version 4 openldap 2.2.13-8.el4_6.4, compat-openldap 2.1.30-8.el4_6.4, openldap-clients 2.2.13-8.el4_6.4, openldap-servers 2.2.13-8.el4_6.4, openldap-servers-sql 2.2.13-8.el4_6.4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) openldap 2.3.27-8.el5_1.3, openldap-clients 2.3.27-8.el5_1.3, openldap-servers 2.3.27-8.el5_1.3, openldap-servers-sql 2.3.27-8.el5_1.3, compat-openldap 2.3.27_2.2.29-8.el5_1.3 Red Hat Enterprise Linux ES version 4 openldap 2.2.13-8.el4_6.4, compat-openldap 2.1.30-8.el4_6.4, openldap-clients 2.2.13-8.el4_6.4, openldap-servers 2.2.13-8.el4_6.4, openldap-servers-sql 2.2.13-8.el4_6.4
    +1 more products
    Red Hat Enterprise Linux WS version 4 openldap 2.2.13-8.el4_6.4, compat-openldap 2.1.30-8.el4_6.4, openldap-clients 2.2.13-8.el4_6.4, openldap-servers 2.2.13-8.el4_6.4, openldap-servers-sql 2.2.13-8.el4_6.4
    fixed: vendor fix RHSA-2008:0110

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.