How severe is CVE-2015-1827?

CVE-2015-1827 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-1827 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1827?

CVE-2015-1827 primarily affects Freeipa. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1827?

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

When was CVE-2015-1827 published?

CVE-2015-1827 was published on 2015-03-30 and last updated on 2026-06-17.

CVE-2015-1827

CVE-2015-1827 is a medium-severity vulnerability in Freeipa 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-19.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-19
Affected product: Freeipa
Published: 2015-03-30
Last modified: 2026-06-17

Description

The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (crash) via a group list request for a user that belongs to a large number of groups.

Frequently asked questions

What is CVE-2015-1827?: The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (crash) via a group list request for a user that belongs to a large number of groups.
How severe is CVE-2015-1827?: CVE-2015-1827 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-1827 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1827?: CVE-2015-1827 primarily affects Freeipa. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1827?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1827 published?: CVE-2015-1827 was published on 2015-03-30 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

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