How severe is CVE-2015-1546?

CVE-2015-1546 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-1546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1546?

CVE-2015-1546 primarily affects Openldap. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1546?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-1546 published?

CVE-2015-1546 was published on 2015-02-12 and last updated on 2026-06-17.

CVE-2015-1546

CVE-2015-1546 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.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openldap
Published: 2015-02-12
Last modified: 2026-06-17

Description

Double free vulnerability in the get_vrFilter function in servers/slapd/filter.c in OpenLDAP 2.4.40 allows remote attackers to cause a denial of service (crash) via a crafted search query with a matched values control.

Frequently asked questions

What is CVE-2015-1546?: Double free vulnerability in the get_vrFilter function in servers/slapd/filter.c in OpenLDAP 2.4.40 allows remote attackers to cause a denial of service (crash) via a crafted search query with a matched values control.
How severe is CVE-2015-1546?: CVE-2015-1546 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-1546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1546?: CVE-2015-1546 primarily affects Openldap. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1546 published?: CVE-2015-1546 was published on 2015-02-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:openldap:openldap:2.4.40:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.10.2:*:*:*:*:*:*:*

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