USN-8306-2 samba vulnerabilities

USN-8306-1 fixed vulnerabilities in Samba. This update provides the corresponding updates for CVE-2026-3238, CVE-2026-4408, and CVE-2026-4480 in Ubuntu 20.04 LTS. Original advisory details: Asim Viladi Oglu Manizada discovered that Samba incorrectly handled access checks on reparse point...

Critical: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

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...

RHEL 9 : samba (RHSA-2026:25049)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25049 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

Critical: samba security update

Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fixes: samba: Missing access check on reparse point operations...

OESA-2026-2577 samba security update

Samba is a suite of programs for Linux and Unix to interoperate with Windows. Security Fixes: '-------- Forwarded Message --------', 'Date: Tue, 26 May 2026 14:29:50 +0200', 'Reply-To: Stefan Metzmacher metze samba org', 'Release Announcements\n---------------------\n\nThis is a security release ...

OESA-2026-2574 samba security update

Samba is a suite of programs for Linux and Unix to interoperate with Windows. Security Fixes: 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...

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...

ALSA-2026:22963 Critical: samba security update

Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fixes: samba: Missing access check on reparse point operations...

The vulnerability of the NTFS reparse point mechanism in Samba software, which allows a hacker to modify arbitrary files

The vulnerability of the NTFS reparse point mechanism in Samba software is related to access control deficiencies. Exploiting this vulnerability allows a remote attacker to modify arbitrary files...

CVE-2026-1933

Samba CVE-2026-1933 involves missing SMB-layer access checks for NTFS-style reparse points on read-only = yes shares. Authenticated users with underlying filesystem write permissions can create or delete reparse point metadata via SMB, potentially altering SMB-visible file behavior (e.g., convert...

CVE-2026-1933

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...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Samba vulnerabilities (USN-8306-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8306-1 advisory. Asim Viladi Oglu Manizada discovered that Samba incorrectly handled access checks on reparse point operations. An attacke...

USN-8306-1 samba vulnerabilities

Asim Viladi Oglu Manizada discovered that Samba incorrectly handled access checks on reparse point operations. An attacker could possibly use this issue to modify reparse point extended attributes on files that should have been read-only. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS...

USN-8306-1: Samba vulnerabilities

Asim Viladi Oglu Manizada discovered that Samba incorrectly handled access checks on reparse point operations. An attacker could possibly use this issue to modify reparse point extended attributes on files that should have been read-only. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS...

Security update for samba

This update for samba fixes the following issues Security issues: CVE-2026-1933: Missing access check on reparse point operations bsc1261188. CVE-2026-2340: vfsworm does not block directory modification bsc1261158. CVE-2026-3012: group policy certificate enrollment uses http: // without validatio...

PT-2026-43439

Name of the Vulnerable Software and Affected Versions ctdb versions prior to 4.23.8+git.477.f78166bceed-1.1 Description A denial of service issue exists against the AD DC WINS server. Recommendations Update to version 4.23.8+git.477.f78166bceed-1.1...

PT-2026-43438

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description A flaw exists in the handling of certificate auto-enrollment Group Policy. When this feature is enabled, Samba may retrieve a CA certificate via an unencrypted HTTP connection and install it in...

PT-2026-43436

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description A flaw exists in the handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users who possess underlying filesyst...

CVE-2026-1933

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...