Read the docs
TI-2015-02852 Aliases CVE-2015-3223GHSA-mfhq-m29x-g5ww

The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD…

Priority LOW 34CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 18 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.

Why it matters now

EPSS 0.0694 94th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 18 fixed, 1 without a fix

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 · 57

CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:*4.0.0VulnerableSamba
cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:*4.0.1VulnerableSamba
cpe:2.3:a:samba:samba:4.0.2:*:*:*:*:*:*:*4.0.2VulnerableSamba
cpe:2.3:a:samba:samba:4.0.3:*:*:*:*:*:*:*4.0.3VulnerableSamba
cpe:2.3:a:samba:samba:4.0.4:*:*:*:*:*:*:*4.0.4VulnerableSamba
cpe:2.3:a:samba:samba:4.0.5:*:*:*:*:*:*:*4.0.5VulnerableSamba
cpe:2.3:a:samba:samba:4.0.6:*:*:*:*:*:*:*4.0.6VulnerableSamba
cpe:2.3:a:samba:samba:4.0.7:*:*:*:*:*:*:*4.0.7VulnerableSamba
cpe:2.3:a:samba:samba:4.0.8:*:*:*:*:*:*:*4.0.8VulnerableSamba
cpe:2.3:a:samba:samba:4.0.9:*:*:*:*:*:*:*4.0.9VulnerableSamba
  • cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.5:*:*:*:*:*:*:* Versions 4.0.5 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.8:*:*:*:*:*:*:* Versions 4.0.8 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.9:*:*:*:*:*:*:* Versions 4.0.9 Vulnerable ·Samba
Show 47 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:4.0.10:*:*:*:*:*:*:*4.0.10VulnerableSamba
cpe:2.3:a:samba:samba:4.0.11:*:*:*:*:*:*:*4.0.11VulnerableSamba
cpe:2.3:a:samba:samba:4.0.12:*:*:*:*:*:*:*4.0.12VulnerableSamba
cpe:2.3:a:samba:samba:4.0.13:*:*:*:*:*:*:*4.0.13VulnerableSamba
cpe:2.3:a:samba:samba:4.0.14:*:*:*:*:*:*:*4.0.14VulnerableSamba
cpe:2.3:a:samba:samba:4.0.15:*:*:*:*:*:*:*4.0.15VulnerableSamba
cpe:2.3:a:samba:samba:4.0.16:*:*:*:*:*:*:*4.0.16VulnerableSamba
cpe:2.3:a:samba:samba:4.0.17:*:*:*:*:*:*:*4.0.17VulnerableSamba
cpe:2.3:a:samba:samba:4.0.18:*:*:*:*:*:*:*4.0.18VulnerableSamba
cpe:2.3:a:samba:samba:4.0.19:*:*:*:*:*:*:*4.0.19VulnerableSamba
cpe:2.3:a:samba:samba:4.0.20:*:*:*:*:*:*:*4.0.20VulnerableSamba
cpe:2.3:a:samba:samba:4.0.21:*:*:*:*:*:*:*4.0.21VulnerableSamba
cpe:2.3:a:samba:samba:4.0.22:*:*:*:*:*:*:*4.0.22VulnerableSamba
cpe:2.3:a:samba:samba:4.0.23:*:*:*:*:*:*:*4.0.23VulnerableSamba
cpe:2.3:a:samba:samba:4.0.24:*:*:*:*:*:*:*4.0.24VulnerableSamba
cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*4.1.0VulnerableSamba
cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*4.1.1VulnerableSamba
cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*4.1.2VulnerableSamba
cpe:2.3:a:samba:samba:4.1.3:*:*:*:*:*:*:*4.1.3VulnerableSamba
cpe:2.3:a:samba:samba:4.1.4:*:*:*:*:*:*:*4.1.4VulnerableSamba
cpe:2.3:a:samba:samba:4.1.5:*:*:*:*:*:*:*4.1.5VulnerableSamba
cpe:2.3:a:samba:samba:4.1.6:*:*:*:*:*:*:*4.1.6VulnerableSamba
cpe:2.3:a:samba:samba:4.1.7:*:*:*:*:*:*:*4.1.7VulnerableSamba
cpe:2.3:a:samba:samba:4.1.8:*:*:*:*:*:*:*4.1.8VulnerableSamba
cpe:2.3:a:samba:samba:4.1.9:*:*:*:*:*:*:*4.1.9VulnerableSamba
cpe:2.3:a:samba:samba:4.1.10:*:*:*:*:*:*:*4.1.10VulnerableSamba
cpe:2.3:a:samba:samba:4.1.11:*:*:*:*:*:*:*4.1.11VulnerableSamba
cpe:2.3:a:samba:samba:4.1.12:*:*:*:*:*:*:*4.1.12VulnerableSamba
cpe:2.3:a:samba:samba:4.1.13:*:*:*:*:*:*:*4.1.13VulnerableSamba
cpe:2.3:a:samba:samba:4.1.14:*:*:*:*:*:*:*4.1.14VulnerableSamba
cpe:2.3:a:samba:samba:4.1.15:*:*:*:*:*:*:*4.1.15VulnerableSamba
cpe:2.3:a:samba:samba:4.1.16:*:*:*:*:*:*:*4.1.16VulnerableSamba
cpe:2.3:a:samba:samba:4.1.17:*:*:*:*:*:*:*4.1.17VulnerableSamba
cpe:2.3:a:samba:samba:4.1.18:*:*:*:*:*:*:*4.1.18VulnerableSamba
cpe:2.3:a:samba:samba:4.1.19:*:*:*:*:*:*:*4.1.19VulnerableSamba
cpe:2.3:a:samba:samba:4.1.20:*:*:*:*:*:*:*4.1.20VulnerableSamba
cpe:2.3:a:samba:samba:4.1.21:*:*:*:*:*:*:*4.1.21VulnerableSamba
cpe:2.3:a:samba:samba:4.2.0:*:*:*:*:*:*:*4.2.0VulnerableSamba
cpe:2.3:a:samba:samba:4.2.1:*:*:*:*:*:*:*4.2.1VulnerableSamba
cpe:2.3:a:samba:samba:4.2.2:*:*:*:*:*:*:*4.2.2VulnerableSamba
cpe:2.3:a:samba:samba:4.2.3:*:*:*:*:*:*:*4.2.3VulnerableSamba
cpe:2.3:a:samba:samba:4.2.4:*:*:*:*:*:*:*4.2.4VulnerableSamba
cpe:2.3:a:samba:samba:4.2.5:*:*:*:*:*:*:*4.2.5VulnerableSamba
cpe:2.3:a:samba:samba:4.2.6:*:*:*:*:*:*:*4.2.6VulnerableSamba
cpe:2.3:a:samba:samba:4.3.0:*:*:*:*:*:*:*4.3.0VulnerableSamba
cpe:2.3:a:samba:samba:4.3.1:*:*:*:*:*:*:*4.3.1VulnerableSamba
cpe:2.3:a:samba:samba:4.3.2:*:*:*:*:*:*:*4.3.2VulnerableSamba
  • cpe:2.3:a:samba:samba:4.0.10:*:*:*:*:*:*:* Versions 4.0.10 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.11:*:*:*:*:*:*:* Versions 4.0.11 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.12:*:*:*:*:*:*:* Versions 4.0.12 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.13:*:*:*:*:*:*:* Versions 4.0.13 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.14:*:*:*:*:*:*:* Versions 4.0.14 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.15:*:*:*:*:*:*:* Versions 4.0.15 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.16:*:*:*:*:*:*:* Versions 4.0.16 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.17:*:*:*:*:*:*:* Versions 4.0.17 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.18:*:*:*:*:*:*:* Versions 4.0.18 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.19:*:*:*:*:*:*:* Versions 4.0.19 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.20:*:*:*:*:*:*:* Versions 4.0.20 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.21:*:*:*:*:*:*:* Versions 4.0.21 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.22:*:*:*:*:*:*:* Versions 4.0.22 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.23:*:*:*:*:*:*:* Versions 4.0.23 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.0.24:*:*:*:*:*:*:* Versions 4.0.24 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.3:*:*:*:*:*:*:* Versions 4.1.3 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.4:*:*:*:*:*:*:* Versions 4.1.4 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.5:*:*:*:*:*:*:* Versions 4.1.5 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.6:*:*:*:*:*:*:* Versions 4.1.6 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.7:*:*:*:*:*:*:* Versions 4.1.7 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.8:*:*:*:*:*:*:* Versions 4.1.8 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.9:*:*:*:*:*:*:* Versions 4.1.9 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.10:*:*:*:*:*:*:* Versions 4.1.10 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.11:*:*:*:*:*:*:* Versions 4.1.11 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.12:*:*:*:*:*:*:* Versions 4.1.12 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.13:*:*:*:*:*:*:* Versions 4.1.13 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.14:*:*:*:*:*:*:* Versions 4.1.14 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.15:*:*:*:*:*:*:* Versions 4.1.15 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.16:*:*:*:*:*:*:* Versions 4.1.16 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.17:*:*:*:*:*:*:* Versions 4.1.17 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.18:*:*:*:*:*:*:* Versions 4.1.18 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.19:*:*:*:*:*:*:* Versions 4.1.19 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.20:*:*:*:*:*:*:* Versions 4.1.20 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.1.21:*:*:*:*:*:*:* Versions 4.1.21 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.2.4:*:*:*:*:*:*:* Versions 4.2.4 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.2.5:*:*:*:*:*:*:* Versions 4.2.5 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.2.6:*:*:*:*:*:*:* Versions 4.2.6 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:4.3.2:*:*:*:*:*:*:* Versions 4.3.2 Vulnerable ·Samba

Remediation

Red Hat 2 advisories

  • RHSA-2016:0014 Released 2016-01-08 · Red Hat rating Moderate
    libldb security update
    • Red Hat Gluster 3 Samba on RHEL-7 ldb-tools-1.1.20-3.el7rhgs, libldb-1.1.20-3.el7rhgs, libldb-devel-1.1.20-3.el7rhgs +2
    • Red Hat Gluster Storage Server 3.1 on RHEL-6 ldb-tools-1.1.20-3.el6rhs, libldb-1.1.20-3.el6rhs, libldb-devel-1.1.20-3.el6rhs +2
  • RHSA-2016:0009 Released 2016-01-08 · Red Hat rating Moderate
    libldb security update
    • Red Hat Enterprise Linux Client (v. 7) libldb-1.1.20-1.el7_2.2
    • Red Hat Enterprise Linux Client Optional (v. 7) ldb-tools-1.1.20-1.el7_2.2, libldb-devel-1.1.20-1.el7_2.2, pyldb-1.1.20-1.el7_2.2 +1
    • Red Hat Enterprise Linux ComputeNode (v. 7) libldb-1.1.20-1.el7_2.2
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) ldb-tools-1.1.20-1.el7_2.2, libldb-devel-1.1.20-1.el7_2.2, pyldb-1.1.20-1.el7_2.2 +1
    • Red Hat Enterprise Linux Desktop (v. 6) libldb-1.1.13-3.el6_7.1, libldb-devel-1.1.13-3.el6_7.1, pyldb-1.1.13-3.el6_7.1
    • Red Hat Enterprise Linux Desktop Optional (v. 6) ldb-tools-1.1.13-3.el6_7.1, pyldb-devel-1.1.13-3.el6_7.1
    • Red Hat Enterprise Linux HPC Node (v. 6) libldb-1.1.13-3.el6_7.1, libldb-devel-1.1.13-3.el6_7.1, pyldb-1.1.13-3.el6_7.1
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) ldb-tools-1.1.13-3.el6_7.1, pyldb-devel-1.1.13-3.el6_7.1
    • Red Hat Enterprise Linux Server (v. 6) libldb-1.1.13-3.el6_7.1, libldb-1.1.13-3.el6_7.1.ppc, libldb-devel-1.1.13-3.el6_7.1 +2
    • Red Hat Enterprise Linux Server (v. 7) libldb-1.1.20-1.el7_2.2, libldb-1.1.20-1.el7_2.2.ppc, pyldb-1.1.20-1.el7_2.2
    • Red Hat Enterprise Linux Server Optional (v. 6) ldb-tools-1.1.13-3.el6_7.1, pyldb-devel-1.1.13-3.el6_7.1
    • Red Hat Enterprise Linux Server Optional (v. 7) ldb-tools-1.1.20-1.el7_2.2, libldb-devel-1.1.20-1.el7_2.2, libldb-devel-1.1.20-1.el7_2.2.ppc +4
    • Red Hat Enterprise Linux Workstation (v. 6) libldb-1.1.13-3.el6_7.1, libldb-devel-1.1.13-3.el6_7.1, pyldb-1.1.13-3.el6_7.1
    • Red Hat Enterprise Linux Workstation (v. 7) libldb-1.1.20-1.el7_2.2, pyldb-1.1.20-1.el7_2.2
    • Red Hat Enterprise Linux Workstation Optional (v. 6) ldb-tools-1.1.13-3.el6_7.1, pyldb-devel-1.1.13-3.el6_7.1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) ldb-tools-1.1.20-1.el7_2.2, libldb-devel-1.1.20-1.el7_2.2, pyldb-devel-1.1.20-1.el7_2.2

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:0009
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:0009
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2016:0009
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:0009
Red Hat Gluster 3 Samba on RHEL-7Fixed RHSA-2016:0014
Red Hat Gluster Storage Server 3.1 on RHEL-6Fixed RHSA-2016:0014

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-3223
  2. 2026-10-03 Alias added: GHSA-mfhq-m29x-g5ww

References

Advisory 13

Other 4

  • TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2017-05139 Code injection in samba KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00210 The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x… CVSS 2.0HIGH 10.0
  • TI-2003-00081 Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in… CVSS 2.0HIGH 10.0
  • TI-2003-00185 Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before… CVSS 2.0HIGH 10.0
  • TI-2007-02362 Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through… CVSS 2.0HIGH 10.0
See all 215 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences