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CVE-2010-0212

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call...

5.0 MediumFix available

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

Exploit likelihood

5.20%Up 1.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

Record
CVE-2010-0212
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

Record
CVE-2010-0212
Updated
2026-11-02
EUVDEUVD-2010-0243 No score

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

Record
EUVD-2010-0243
Updated
2026-11-03
GitHub AdvisoriesGHSA-w879-m4wh-92f9 No score

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call...

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

Record
GHSA-w879-m4wh-92f9
Updated
2026-11-02
OSV No score

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

Record
CVE-2010-0212
Updated
2026-11-02
OSVDEBIAN-CVE-2010-0212 No score

OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

Record
DEBIAN-CVE-2010-0212
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openldap
Debian:12
 before 2.4.23-1
2.4.23-1
openldap
Debian:13
 before 2.4.23-1
2.4.23-1
openldap
Debian:14
 before 2.4.23-1
2.4.23-1
openldap
Debian:5.0
From an advisory covering 2 CVEs
 before 2.4.11-1+lenny2, plus listed versions
2.4.11-12.4.11-1+lenny1
2.4.11-1+lenny2
openldap
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-servers
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-servers-overlays
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-servers-sql
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
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Affected packages
PackageAffectedFixed
compat-openldap
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 0:2.3.43_2.2.29-12.el5_5.1
0:2.3.43_2.2.29-12.el5_5.1
openldap
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-clients
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
compat-openldap
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43_2.2.29-12.el5_5.1
0:2.3.43_2.2.29-12.el5_5.1
openldap
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-clients
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-servers
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-servers-overlays
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1
openldap-servers-sql
Red Hat:enterprise_linux:5::server
From an advisory covering 2 CVEs
 before 0:2.3.43-12.el5_5.1
0:2.3.43-12.el5_5.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2010-0212 is a medium vulnerability (CVSS 5.0) in Openldap, published July 27, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.20%, the 92nd percentile. Fixed in openldap 2.4.23-1.

References

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