samba: Out of bound read in ldb_wildcard_compare in Samba AD DC
Published Mar 6, 2019
6.5
MEDIUMCVSS 3.0
EPSS 2.82%
Description
A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC in samba before version 4.10. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.
Affected products
No data.
Configuration 2
- 14.04
- 16.04
- 18.04
- 18.10
- 8.0
No data.
Red Hat Enterprise Linux 5
libldb
Not affected
Red Hat Enterprise Linux 6
libldb
Not affected
Red Hat Enterprise Linux 7
libldb
Not affected
Red Hat Enterprise Linux 8
libldb
Not affected
Red Hat Storage 3
samba
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | libldb | Not affected | n/a |
| Red Hat Enterprise Linux 6 | libldb | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libldb | Not affected | n/a |
| Red Hat Enterprise Linux 8 | libldb | Not affected | n/a |
| Red Hat Storage 3 | samba | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The versions of samba packages shipped with Red Hat Enterprise Linux 5, 6, and 7 do not support Active Directory Domain Controller mode, therefore are not affected by this flaw. This issue did not affect the version of samba as shipped with 'Red Hat Gluster Storage 3' as they did not include support for Active Directory Domain Controller.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.82% (0.02821) | 86.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.87% (0.02873) | 84.94th | v5 (v2026.06.15) |
| Jun 3, 2026 | 7.70% (0.07704) | 92.06th | v4 (v2025.03.14) |
| May 29, 2026 | 9.54% (0.09539) | 92.98th | v4 (v2025.03.14) |
| Mar 10, 2026 | 11.79% (0.11794) | 93.59th | v4 (v2025.03.14) |
| Jan 12, 2026 | 7.28% (0.07281) | 91.38th | v4 (v2025.03.14) |
| Dec 27, 2025 | 8.66% (0.08664) | 92.19th | v4 (v2025.03.14) |
| Oct 1, 2025 | 9.73% (0.09734) | 92.69th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.21% (0.08206) | 91.40th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.14% (0.07142) | 85.60th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.14% (0.09141) | 92.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.54% (0.00537) | 77.98th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.68% (0.00684) | 79.46th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.59% (0.00590) | 77.61th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.59% (0.00590) | 75.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.58% (0.00581) | 74.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 18.12% (0.18119) | 93.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.61% (0.09608) | 87.22th | v1 |
| Jan 6, 2022 | 9.61% (0.09608) | 87.07th | v1 |
| Jan 5, 2022 | 2.31% (0.02314) | 78.93th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.31% (0.02314) | 0.00th | v1 |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00035.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/107347 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2019-3824 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1671845 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3824 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=13773 x_refsource_MISCIssue TrackingPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00000.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-3824
- https://security.netapp.com/advisory/ntap-20190226-0001/ x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/3895-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-3824
- https://www.debian.org/security/2019/dsa-4397 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.