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TI-2015-01640 Aliases CVE-2015-1827GHSA-77hv-795v-v5fp

The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not…

Priority LOW 28CWE-19Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.02644 85th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*up to 4.1.3VulnerableFreeIPA
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*21VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*22VulnerableFedoraproject
  • cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:* Versions up to 4.1.3 Vulnerable ·FreeIPA
  • cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* Versions 21 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* Versions 22 Vulnerable ·Fedoraproject

Remediation

Red Hat 1 advisory

  • RHSA-2015:0728 Released 2015-03-26 · Red Hat rating Moderate
    ipa and slapi-nis security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) ipa-4.1.0-18.el7_1.3, ipa-client-4.1.0-18.el7_1.3, ipa-python-4.1.0-18.el7_1.3
    • Red Hat Enterprise Linux Client Optional (v. 7) ipa-admintools-4.1.0-18.el7_1.3, ipa-server-4.1.0-18.el7_1.3, ipa-server-trust-ad-4.1.0-18.el7_1.3 +1
    • Red Hat Enterprise Linux ComputeNode (v. 7) ipa-4.1.0-18.el7_1.3, ipa-client-4.1.0-18.el7_1.3, ipa-python-4.1.0-18.el7_1.3
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) ipa-admintools-4.1.0-18.el7_1.3, ipa-server-4.1.0-18.el7_1.3, ipa-server-trust-ad-4.1.0-18.el7_1.3 +1
    • Red Hat Enterprise Linux Server (v. 7) ipa-4.1.0-18.ael7b_1.3, ipa-4.1.0-18.el7_1.3, ipa-admintools-4.1.0-18.ael7b_1.3 +9
    • Red Hat Enterprise Linux Server Optional (v. 7) ipa-admintools-4.1.0-18.el7_1.3
    • Red Hat Enterprise Linux Workstation (v. 7) ipa-4.1.0-18.el7_1.3, ipa-admintools-4.1.0-18.el7_1.3, ipa-client-4.1.0-18.el7_1.3 +4

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:0728
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:0728
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2015:0728
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2015:0728
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:0728
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:0728
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:0728
Not affected: 1 product
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-1827
  2. 2026-10-03 Alias added: GHSA-77hv-795v-v5fp

References

Sources