CVE-2010-0212

CVE-2010-0212 is a medium-severity vulnerability in Openldap with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

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.

Frequently asked questions

What is CVE-2010-0212?
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.
How severe is CVE-2010-0212?
CVE-2010-0212 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-0212 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0212?
CVE-2010-0212 affects Openldap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-0212?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0212 published?
CVE-2010-0212 was published on 2010-07-28 and last updated on 2026-06-16.

References

Affected products (1)

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