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.
2015-12-29T22:59:00.247
2025-04-12T10:46:40.837
Deferred
CVSSv3.0: 5.3 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | samba | samba | 4.0.0 | Yes |
| Application | samba | samba | 4.0.1 | Yes |
| Application | samba | samba | 4.0.2 | Yes |
| Application | samba | samba | 4.0.3 | Yes |
| Application | samba | samba | 4.0.4 | Yes |
| Application | samba | samba | 4.0.5 | Yes |
| Application | samba | samba | 4.0.6 | Yes |
| Application | samba | samba | 4.0.7 | Yes |
| Application | samba | samba | 4.0.8 | Yes |
| Application | samba | samba | 4.0.9 | Yes |
| Application | samba | samba | 4.0.10 | Yes |
| Application | samba | samba | 4.0.11 | Yes |
| Application | samba | samba | 4.0.12 | Yes |
| Application | samba | samba | 4.0.13 | Yes |
| Application | samba | samba | 4.0.14 | Yes |
| Application | samba | samba | 4.0.15 | Yes |
| Application | samba | samba | 4.0.16 | Yes |
| Application | samba | samba | 4.0.17 | Yes |
| Application | samba | samba | 4.0.18 | Yes |
| Application | samba | samba | 4.0.19 | Yes |
| Application | samba | samba | 4.0.20 | Yes |
| Application | samba | samba | 4.0.21 | Yes |
| Application | samba | samba | 4.0.22 | Yes |
| Application | samba | samba | 4.0.23 | Yes |
| Application | samba | samba | 4.0.24 | Yes |
| Application | samba | samba | 4.1.0 | Yes |
| Application | samba | samba | 4.1.1 | Yes |
| Application | samba | samba | 4.1.2 | Yes |
| Application | samba | samba | 4.1.3 | Yes |
| Application | samba | samba | 4.1.4 | Yes |
| Application | samba | samba | 4.1.5 | Yes |
| Application | samba | samba | 4.1.6 | Yes |
| Application | samba | samba | 4.1.7 | Yes |
| Application | samba | samba | 4.1.8 | Yes |
| Application | samba | samba | 4.1.9 | Yes |
| Application | samba | samba | 4.1.10 | Yes |
| Application | samba | samba | 4.1.11 | Yes |
| Application | samba | samba | 4.1.12 | Yes |
| Application | samba | samba | 4.1.13 | Yes |
| Application | samba | samba | 4.1.14 | Yes |
| Application | samba | samba | 4.1.15 | Yes |
| Application | samba | samba | 4.1.16 | Yes |
| Application | samba | samba | 4.1.17 | Yes |
| Application | samba | samba | 4.1.18 | Yes |
| Application | samba | samba | 4.1.19 | Yes |
| Application | samba | samba | 4.1.20 | Yes |
| Application | samba | samba | 4.1.21 | Yes |
| Application | samba | samba | 4.2.0 | Yes |
| Application | samba | samba | 4.2.1 | Yes |
| Application | samba | samba | 4.2.2 | Yes |
| Application | samba | samba | 4.2.3 | Yes |
| Application | samba | samba | 4.2.4 | Yes |
| Application | samba | samba | 4.2.5 | Yes |
| Application | samba | samba | 4.2.6 | Yes |
| Application | samba | samba | 4.3.0 | Yes |
| Application | samba | samba | 4.3.1 | Yes |
| Application | samba | samba | 4.3.2 | Yes |