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CVE-2026-3012

Medium priority
Fixed

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Fixed Fixed Not affected Not affected Not affected
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CVE-2026-2340

Medium priority
Fixed

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Fixed Fixed Fixed Not affected Not affected
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CVE-2026-1933

Medium priority
Fixed

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Fixed Not affected Not affected Not affected Not affected
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CVE-2025-9640

Low priority
Fixed

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Fixed Fixed Fixed Fixed
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CVE-2025-10230

Medium priority
Fixed

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Fixed Fixed Fixed Fixed
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CVE-2025-0620

Medium priority
Fixed

A flaw was found in Samba. The smbd service daemon does not pick up group membership changes when re-authenticating an expired SMB session. This issue can expose file shares until clients disconnect and then connect again.

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Not affected Not affected Not affected Not affected
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CVE-2020-25720

Medium priority
Vulnerable

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Not affected Not affected Vulnerable Vulnerable Vulnerable
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CVE-2023-5568

Low priority
Not affected

A heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service.

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Not affected Not affected Not affected
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CVE-2023-42670

Medium priority
Fixed

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Fixed Not affected Not affected
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CVE-2023-42669

Medium priority

Some fixes available 9 of 12

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...

1 affected package

samba

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
samba Fixed Fixed Fixed Fixed Needs evaluation
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