samba: vfs_worm does not block directory modification

A flaw was found in Samba’s vfsworm 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 authenticated user with write access to a share...

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

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 verification. An attacker with the ability t...

samba: Remote Code Execution in SAMR

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-controlled username is passed without proper...

samba: Missing access check on reparse point operations

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 through SMB operations even on read-onl...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

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 attacker could exploit this vulnerability by...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

samba: Remote Code Execution in SAMR

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-controlled username is passed without proper...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

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 attacker could exploit this vulnerability by...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

RHEL 8 : samba (RHSA-2026:28058)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28058 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

samba security update

0:4.23.5-10 - Bump build number 0:4.23.5-9 - Security release for CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 CVE-2026-4480 CVE-2026-40170 CVE-2026-4408 - resolves: RHEL-156319 - CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 samba: various flaws - resolves: RHEL-161657 - CVE-2026-4480 - Fix Samba...

Critical Photon OS Security Update - PHSA-2026-4.0-1039

Updates of 'samba-client' packages of Photon OS have been released...

RHEL 10 : samba (RHSA-2026:28055)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28055 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 9 : samba (RHSA-2026:28053)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28053 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 8 : samba (RHSA-2026:28056)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28056 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 7 : samba (RHSA-2026:28132)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28132 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 8 : samba (RHSA-2026:28057)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28057 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 9 : samba (RHSA-2026:28054)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28054 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

EUVD-2026-38297

An issue was discovered in Canonical ADSys upstream versions through v0.16.2. During Active Directory Certificate Services AD CS certificate auto-enrollment via the vendored Samba client script internal/policies/certificate/python/vendorsamba/gp/gpcertautoenrollext.py, ADSys utilizes a plaintext...

samba: Fix of CVE-2026-4408

CVE-2026-4408: Escape/mask client-controlled username before %u substitution in 'check password script' to prevent remote command execution; restrict samrValidatePassword to DCs...