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 a client requests an...
Product
debian/samba vulnerabilities
288 published CVES affecting debian/samba, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 288
- Critical
- 10
- High
- 79
- Medium
- 110
- Low
- 16
- Unscored
- 73
- CISA KEV
- 2
Latest debian/samba CVEs
Newest publication first · page 1 of 12
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HighCVSS 8.1 EPSS 0.65%
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MediumCVSS 6.5 EPSS 0.34%
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 packet sizes to be process...
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MediumCVSS 5.3 EPSS 0.46%
An out-of-bounds read flaw was found in Samba's Kerberos Key Distribution Center's (KDC) password change (kpasswd) service. When processing malformed ASN.1-encoded Kerberos password change request, Samba server miscalculates the structure size and attempts to read up to six bytes...
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HighCVSS 8.8 EPSS 0.80%
A security flaw combining LDAP filter injection and improper authorization checks was found in Samba Active Directory Domain Controller (AD DC). When processing LDAP Compare requests, Samba fails to properly validate user-supplied attribute names and executes the resulting intern...
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MediumCVSS 5.3 EPSS 0.78%
A flaw was found in Samba's internal DNS server where unauthenticated TKEY registration requests were added to the TKEY name cache before being rejected. A remote, unauthenticated attacker can exploit this behavior by sending a large number of TKEY requests with arbitrary names,...
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HighCVSS 7.5
A flaw was found in Samba's internal DNS server when processing TSIG-signed DNS packets containing compressed names. Incorrect size calculations while determining the portion of the DNS packet covered by the TSIG signature can result in an integer underflow, leading to an out-of-...
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CVE-2026-58221 samba: authenticated LDAP access to internal LDB special DNs permits domain takeover
PublishedHighCVSS 8.8A flaw was found in Samba Active Directory Domain Controller (AD DC). Improper authorization checks allow an authenticated low-privilege domain user to modify internal LDB special records through LDAP. By altering the DSDB module configuration, an attacker can bypass directory AC...
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MediumCVSS 6.1 EPSS 0.11%
A flaw was found in samba's pam_winbind. When mkhomedir is enabled, pam_winbind chowns the target account's home directory without validating the path is not a critical system directory such as /. On affected systems, accounts with / as their home directory (a common default for...
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HighCVSS 7.5 EPSS 2.7%
A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller. The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing an unauthenticated remote attacker to trigger a NULL pointer derefere...
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CriticalCVSS 9.8 EPSS 46.9%
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...
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MediumCVSS 6.5 EPSS 0.86%
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...
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MediumCVSS 6.5 EPSS 0.95%
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 authenticated user with write...
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MediumCVSS 6.8 EPSS 0.26%
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 w...
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CriticalCVSS 9.8 EPSS 28.7%
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...
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DLA-4384-1 samba - security update
PublishedUnknown -
CriticalCVSS 10.0 EPSS 39.8%
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 and executed by the...
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MediumCVSS 4.3 EPSS 0.47%
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 information disclosure vuln...
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MediumCVSS 4.9 EPSS 0.80%
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.
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HighCVSS 7.5 EPSS 0.49%
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 issue occurs because t...
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DLA-3792-1 samba - security update
PublishedUnknown -
DSA-5647-1 samba - security update
PublishedUnknown -
MediumCVSS 6.5 EPSS 1.4%
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 (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, inc...
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MediumCVSS 6.5 EPSS 1.9%
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" service operates with on...
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CVE-2023-3961 Samba: smbd allows client access to unix domain sockets on the file system as root
PublishedCriticalCVSS 9.8 EPSS 2.7%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 LSA or SPOOLSS, whic...
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MediumCVSS 6.5 EPSS 1.3%
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-AD DC purposes (for...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.