CVE-2019-3824
Publication date 25 February 2019
Last updated 25 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ldb | ||
| 18.04 LTS bionic |
Fixed 2:1.2.3-1ubuntu0.1
|
|
| 16.04 LTS xenial |
Fixed 2:1.1.24-1ubuntu3.1
|
|
| 14.04 LTS trusty |
Fixed 1:1.1.24-0ubuntu0.14.04.2
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3895-1
- LDB vulnerability
- 26 February 2019