SA
Product
samba
by Samba · last CVE Aug 14, 2026
On CISA KEVExploited in the wildRansomware-linked
216
CVEs
2
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 8High 41Medium 76Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-1472
RansomwareIn wildKEV
5.5
99%
Aug 17
Netlogon Elevation of Privilege Vulnerability
Affected: before 4.10.18; 4.11.0 before 4.11.13; 4.12.0 before 4.12.7
CVE-2026-3012
6.8
0%
May 27
Samba: group policy certificate enrollment uses http:// without validation
Affected: 4.16.0 before 4.21.0
CVE-2021-20316
6.8
1%
Aug 23
A flaw was found in the way Samba handled file/directory metadata
Affected: before 4.15.0
CVE-2021-20254
6.8
2%
May 5
A flaw was found in samba
Affected: 3.6.0 before 4.12.15; 4.13.0 before 4.13.8; 4.14.0 before 4.14.4
CVE-2020-17049
6.6
14%
Nov 11
A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained…
Affected: 4.1.0 before 4.13.13; 4.14.0 before 4.14.9; 4.15.0 before 4.15.1
CVE-2026-58224
6.5
0%
Aug 14
Samba: ctdb fails to do integrity checking of received packets
Affected: through 4.2.0
CVE-2026-1933
6.5
1%
May 27
Samba: missing access check on reparse point operations
Affected: 4.1.0 before 4.2.2
CVE-2026-2340
6.5
1%
May 27
Samba: vfs_worm does not block directory modification
Affected: 4.1.0 and later
CVE-2023-4154
6.5
1%
Nov 7
A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers…
Affected: 4.0.0 before 4.17.12; 4.18.0 before 4.18.8; 4.19.0 before 4.19.1
CVE-2023-42669
6.5
2%
Nov 6
A vulnerability was found in Samba's "rpcecho" development server, a non-Windows RPC server used to test Samba's DCE/RPC stack elements
Affected: 4.0.0 before 4.17.12; 4.18.0 before 4.18.8; 4.19.0 before 4.19.1
CVE-2023-4091
6.5
1%
Nov 3
A vulnerability was discovered in Samba, where the flaw allows SMB clients to truncate files, even with read-only permissions when the Samba VFS module "acl_xattr" is configured…
Affected: before 4.17.12; 4.18.0 before 4.18.8; 4.19.0 before 4.19.1
CVE-2023-42670
6.5
1%
Nov 3
A flaw was found in Samba
Affected: before 4.17.12; 4.18.0 before 4.18.8; 4.19.0 before 4.19.1
CVE-2023-5568
6.5
2%
Oct 25
A heap-based Buffer Overflow flaw was discovered in Samba
Affected: before 4.19.2
CVE-2023-0614
6.5
1%
Apr 3
The fix in 4.6.16, 4.7.9, 4.8.4 and 4.9.7 for CVE-2018-10919 Confidential attribute disclosure vi LDAP filters was insufficient and an attacker may be able to obtain confidential…
Affected: 4.0.0 before 4.16.10; 4.17.0 before 4.17.7; 4.18.0; 4.18.0; 4.18.0; 4.18.0; +1 more
CVE-2022-3592
6.5
3%
Jan 12
A symlink following vulnerability was found in Samba, where a user can create a symbolic link that will make 'smbd' escape the configured share path
Affected: 4.17.0 before 4.17.2
CVE-2022-3437
6.5
4%
Jan 12
A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal
Affected: 4.0.0 before 4.15.11; 4.16.0 before 4.16.6; 4.17.0 before 4.17.2
CVE-2021-3670
6.5
2%
Aug 23
MaxQueryDuration not honoured in Samba AD DC LDAP
Affected: 4.1.0 before 4.16.0
CVE-2021-3671
6.5
2%
Oct 12
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request)
Affected: before 4.13.12; 4.14.0 before 4.14.8
CVE-2020-14383
6.5
2%
Dec 2
A flaw was found in samba's DNS server
Affected: 4.0.0 before 4.11.15; 4.12.0 before 4.12.9; 4.13.0 before 4.13.1
CVE-2020-10730
6.5
2%
Jul 7
A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4
Affected: 4.5.0 before 4.10.17; 4.11.0 before 4.11.11; 4.12.0 before 4.12.4
CVE-2020-10760
6.5
3%
Jul 6
A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration
Affected: 4.5.0 before 4.10.17; 4.11.0 before 4.11.11; 4.12.0 before 4.12.4
CVE-2019-19344
6.5
3%
Jan 21
There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to…
Affected: 4.9.0 before 4.9.18; 4.10.0 before 4.10.12; 4.11.0 before 4.11.5
CVE-2019-14907
6.5
3%
Jan 21
All samba versions 4.9.x before 4.9.18, 4.10.x before 4.10.12 and 4.11.x before 4.11.5 have an issue where if it is set with "log level = 3" (or above) then the string obtained…
Affected: 4.9.0 before 4.9.18; 4.10.0 before 4.10.12; 4.11.0 before 4.11.5
CVE-2019-10218
6.5
3%
Nov 6
A flaw was found in the samba client, all samba versions before samba 4.11.2, 4.10.10 and 4.9.15, where a malicious server can supply a pathname to the client with separators
Affected: before 4.9.15; 4.10.0 before 4.10.10; 4.11.0 before 4.11.2
CVE-2019-12436
6.5
3%
Jun 19
Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service
Affected: 4.10.0 before 4.10.5
CVE-2019-12435
6.5
2%
Jun 19
Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service
Affected: 4.9.0 before 4.9.9; 4.10.0 before 4.10.5
CVE-2019-3824
6.5
3%
Mar 6
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
Affected: before 4.10.0
CVE-2018-16851
6.5
3%
Nov 28
Samba from version 4.0.0 and before versions 4.7.12, 4.8.7, 4.9.3 is vulnerable to a denial of service
Affected: 4.0.0 before 4.7.12; 4.8.0 before 4.8.7; 4.9.0 before 4.9.3
CVE-2018-16841
6.5
5%
Nov 28
Samba from version 4.3.0 and before versions 4.7.12, 4.8.7 and 4.9.3 are vulnerable to a denial of service
Affected: 4.3.0 before 4.7.12; 4.8.0 before 4.8.7; 4.9.0 before 4.9.3
CVE-2018-14629
6.5
5%
Nov 28
A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3
Affected: 4.0.0 before 4.7.12; 4.8.0 before 4.8.7; 4.8.8 before 4.9.3
CVE-2016-2125
6.5
9%
Oct 31
It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13 always requested forwardable tickets when using Kerberos authentication
Affected: 3.0.25 before 4.3.13; 4.4.0 before 4.4.8; 4.5.0 before 4.5.3
CVE-2018-10919
6.5
2%
Aug 22
The Samba Active Directory LDAP server was vulnerable to an information disclosure flaw because of missing access control checks
Affected: 4.0.0 before 4.6.16; 4.7.0 before 4.7.9; 4.8.0 before 4.8.4
CVE-2018-10918
6.5
3%
Aug 22
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer
Affected: 4.7.0 before 4.7.9; 4.8.0 before 4.8.4
CVE-2018-1140
6.5
11%
Aug 22
A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server
Affected: 4.8.0 before 4.8.4
CVE-2017-9461
6.5
4%
Jun 6
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly…
Affected: through 4.4.9; 4.5.0; 4.5.1; 4.5.2; 4.5.3; 4.5.4; +1 more
CVE-2016-2126
6.5
7%
May 11
Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum
Affected: 4.0.0 before 4.3.13; 4.4.0 before 4.4.8; 4.5.0 before 4.5.3
CVE-2015-7560
6.5
13%
Mar 13
The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify…
Affected: 3.2.0 before 4.1.23; 4.2.0 before 4.2.9; 4.3.0 before 4.3.6; 4.4.0; 4.4.0; 4.4.0
CVE-2016-2111
6.3
3%
Apr 25
The NETLOGON service in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2, when a domain controller is configured, allows remote attackers to spoof the…
Affected: 3.0.0; 3.0.1; 3.0.2; 3.0.2; 3.0.2a; 3.0.3; +34 more
CVE-2019-3870
6.1
1%
Apr 9
A vulnerability was found in Samba from version (including) 4.9 to versions before 4.9.6 and 4.10.2
Affected: 4.9.0 before 4.9.6; 4.10.0 before 4.10.2
CVE-2023-3347
5.9
0%
Jul 20
A vulnerability was found in Samba's SMB2 packet signing mechanism
Affected: 4.17.0 before 4.17.10; 4.18.0 before 4.18.5
CVE-2022-2127
5.9
2%
Jul 20
An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in winbindd_pam_auth_crap.c
Affected: 4.16.0 before 4.16.10; 4.17.0 before 4.17.9; 4.18.0 before 4.18.4
CVE-2023-0922
5.9
0%
Apr 3
The Samba AD DC administration tool, when operating against a remote LDAP server, will by default send new or reset passwords over a signed-only connection
Affected: 4.0.0 before 4.16.10; 4.17.0 before 4.17.7; 4.18.0; 4.18.0; 4.18.0; 4.18.0; +1 more
CVE-2021-20251
5.9
1%
Mar 6
A flaw was found in samba
Affected: 4.1.0 before 4.16.8; 4.17.0 before 4.17.4
CVE-2016-2124
5.9
2%
Feb 18
A flaw was found in the way samba implemented SMB1 authentication
Affected: 3.0.0 before 4.13.14; 4.14.0 before 4.14.10; 4.15.0 before 4.15.2
CVE-2018-16857
5.9
2%
Nov 28
Samba from version 4.9.0 and before version 4.9.3 that have AD DC configurations watching for bad passwords (to restrict brute forcing of passwords) in a window of more than 3…
Affected: 4.9.0 before 4.9.3
CVE-2018-16853
5.9
3%
Nov 28
Samba from version 4.7.0 has a vulnerability that allows a user in a Samba AD domain to crash the KDC when Samba is built in the non-default MIT Kerberos configuration
Affected: 4.7.0 before 4.7.12; 4.8.0 before 4.8.7; 4.9.0 before 4.9.3
CVE-2016-2115
5.9
10%
Apr 25
Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not require SMB signing within a DCERPC session over ncacn_np, which allows man-in-the-middle…
Affected: 3.0.0; 3.0.1; 3.0.2; 3.0.2; 3.0.2a; 3.0.3; +34 more
CVE-2016-2114
5.9
3%
Apr 25
The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "server signing = mandatory" setting, which allows…
Affected: 4.0.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.0.5; +34 more
CVE-2016-2112
5.9
9%
Apr 25
The bundled LDAP client library in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "client ldap sasl wrapping" setting, which…
Affected: 3.0.0; 3.0.1; 3.0.2; 3.0.2; 3.0.2a; 3.0.3; +34 more
CVE-2016-2110
5.9
8%
Apr 25
The NTLMSSP authentication implementation in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 allows man-in-the-middle attackers to perform…
Affected: 3.0.0; 3.0.1; 3.0.2; 3.0.2; 3.0.2a; 3.0.3; +34 more
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