Vulnerabilidades de Samba

Registros CVE publicados para Samba Samba, los más recientes primero. Siga el producto para recibir un correo con cada nueva.

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CVE totales43
Últimos 30 días1
Críticas5
Explotadas2
43 resultados
8.1Alta
CVE-2026-109411

Samba: access control bypass via vfs_ceph_rgw case-insensitive open

Samba Samba; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7

An access control bypass flaw was identified in Samba's vfs_ceph_rgw module in it's openat() function. An authenticated user can bypass access controls to read or overwrite restricted files on shares configured with the experimental vfs_ceph_rgw module. When …

6.5Media
CVE-2026-58224

Samba: ctdb fails to do integrity checking of received packets

Red Hat Red Hat Ceph Storage 9.2; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7

A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of received CTDB protocol packets allows malformed packets containing invalid field lengths, improperly terminated strings, or inconsistent packe…

9.0Crítica
CVE-2026-4408

Samba: remote code execution in samr

Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Red Hat Enterprise Linux 8

A flaw was found in Samba. A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the "check password script" feature. If this script is configured with the %u substitution character, the client-controll…

2.5%EPSS
7.1Alta
CVE-2026-1933

Samba: missing access check on reparse point operations

Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata t…

6.5Media
CVE-2026-2340

Samba: vfs_worm does not block directory modification

Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

A flaw was found in Samba’s vfs_worm module. The module is intended to provide write-once, read-many (WORM) protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenti…

8.0Alta
CVE-2026-3012

Samba: group policy certificate enrollment uses http:// without validation

Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verifi…

9.0Crítica
CVE-2026-4480

Samba: samba: remote code execution in printing subsystem via unescaped job description

Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Red Hat Enterprise Linux 8

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacke…

14%EPSS
10.0Crítica
CVE-2025-10230

Samba: command injection in wins server hook script

samba; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7

A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS names from registration packets are passed to a shell without proper validation or escaping. Unsanitized NetBIOS name data from WINS registration packets are inserted into a shell command…

40%EPSS
4.3Media
CVE-2025-9640

Samba: vfs_streams_xattr uninitialized memory write possible

samba; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7

A flaw was found in Samba, in the vfs_streams_xattr module, where uninitialized heap memory could be written into alternate data streams. This allows an authenticated user to read residual memory content that may include sensitive data, resulting in an inform…

7.5Alta
CVE-2020-25720

Samba: check attribute access rights for ldap adds of computers

samba; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7

A vulnerability was found in Samba where a delegated administrator with permission to create objects in Active Directory can write to all attributes of the newly created object, including security-sensitive attributes, even after the object's creation. This i…

6.5Media
CVE-2023-42669

Samba: "rpcecho" development server allows denial of service via sleep() call on ad dc

samba; Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support

A vulnerability was found in Samba's "rpcecho" development server, a non-Windows RPC server used to test Samba's DCE/RPC stack elements. This vulnerability stems from an RPC function that can be blocked indefinitely. The issue arises because the "rpcecho" ser…

1.9%EPSS
9.1Crítica
CVE-2023-3961

Samba: smbd allows client access to unix domain sockets on the file system as root

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

A path traversal vulnerability was identified in Samba when processing client pipe names connecting to Unix domain sockets within a private directory. Samba typically uses this mechanism to connect SMB clients to remote procedure call (RPC) services like SAMR…

2.7%EPSS
6.5Media
CVE-2023-42670

Samba: ad dc busy rpc multiple listener dos

samba; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7; Red Hat Red Hat Enterprise Linux 8

A flaw was found in Samba. It is susceptible to a vulnerability where multiple incompatible RPC listeners can be initiated, causing disruptions in the AD DC service. When Samba's RPC server experiences a high load or unresponsiveness, servers intended for non…

1.3%EPSS
6.5Media
CVE-2023-4091

Samba: smb clients can truncate files with read-only permissions

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

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 with "acl_xattr:ignore system acls = yes". The SMB protocol allows opening files …

1.3%EPSS
5.3Media
CVE-2023-34968

Samba: spotlight server-side share path disclosure

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

A path disclosure vulnerability was found in Samba. As part of the Spotlight protocol, Samba discloses the server-side absolute path of shares, files, and directories in the results for search queries. This flaw allows a malicious client or an attacker with a…

1.3%EPSS
5.3Media
CVE-2023-34967

Samba: type confusion in mdssvc rpc service for spotlight

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the …

61%EPSS
7.5Alta
CVE-2023-34966

Samba: infinite loop in mdssvc rpc service for spotlight

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

An infinite loop vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets sent by the client, the core unmarshalling function sl_unpack_loop() did not validate a field in the network packet that contains t…

62%EPSS
5.9Media
CVE-2023-3347

Samba: smb2 packet signing is not enforced when "server signing = required" is set

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 9; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7

A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allo…

5.9Media
CVE-2022-2127

Samba: out-of-bounds read in winbind auth_crap

Red Hat Red Hat Enterprise Linux 8; Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support; Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic challenges back to the server. These replies have variable lengths, …

1.7%EPSS
4.3Media
CVE-2022-3437
samba; samba samba

A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc…

3.8%EPSS
8.8Alta
CVE-2021-44142
Samba Samba

The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit config…

74%EPSS
5.5Media
CVE-2020-1472 KEV Usada en ransomware

Netlogon Elevation of Privilege Vulnerability

Microsoft Windows Server version 2004; Microsoft Windows Server 2019; Microsoft Windows Server 2019 (Server Core installation); Microsoft Windows Server, version 1909 (Server Core installation)

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could ru…

99%EPSS
Sin puntuación
CVE-2011-3585
Samba Samba

Multiple race conditions in the (1) mount.cifs and (2) umount.cifs programs in Samba 3.6 allow local users to cause a denial of service (mounting outage) via a SIGKILL signal during a time window when the /etc/mtab~ file exists.

4.9Media
CVE-2019-14847
Samba samba

A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of service. Privilege escalation is not possible with this issue.

2.1%EPSS

La lista incluye todos los registros desde inicios de 2025 y otros más antiguos de este producto.