Samba

267 CVEs across 7 Samba products. Browse Samba vulnerabilities, severities, and proof-of-concept exploits.

Samba products with known CVEs

ProductCVEs
Samba216
Rsync41
Cifs-Utils4
Ppp3
Jitterbug1
Samba Server1
Volume Service1
Samba CVEs — newest first (page 1 of 3)
CVESeverityScorePublishedSummary
CVE-2026-58224Medium6.52026-08-14A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of received CTDB protocol packets allows malf…
CVE-2026-70463High8.12026-08-13rsync 3.1.0 before 3.5.0 contains an authorization bypass in auth users directive parsing. The auth users parser uses comma-only tokenization when splitting th…
CVE-2026-70461High8.22026-08-13rsync 3.2.5 before 3.5.0 contains a heap out-of-bounds write vulnerability that allows remote unauthenticated attackers to write one attacker-controlled byte p…
CVE-2026-70459Medium5.32026-08-13rsync 3.0.0 before 3.5.0 contains a null pointer dereference vulnerability in the daemon child process that allows remote attackers to crash the daemon by send…
CVE-2026-70457Medium6.52026-08-13rsync 3.2.3 before 3.5.0 contains an out-of-bounds write in parse_size_arg() where the return value of snprintf() is used directly as an index into a .bss-segm…
CVE-2026-70455High7.52026-08-13rsync 3.4.2 before 3.5.0 contains a denial of service vulnerability that allows a remote sender to exhaust system resources by specifying the --zt short alias…
CVE-2026-53803High7.82026-08-13rsync before 3.5.0 contains a symlink following vulnerability that allows local attackers to overwrite arbitrary files by placing a symlink at a predictable ou…
CVE-2026-53802High7.12026-08-13rsync before 3.5.0 contains an arbitrary file read vulnerability that allows attackers to read files accessible to the rsync daemon process by exploiting symli…
CVE-2026-53801Medium5.92026-08-13rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's directory scanning logic that allows attackers to cause the sender to enumer…
CVE-2026-53800Medium4.72026-08-13rsync before 3.5.0 contains a symlink race condition vulnerability in the --remove-source-files feature that allows attackers with symlink creation access to c…
CVE-2026-53799Medium6.32026-08-13rsync before 3.5.0 contains a symlink race condition vulnerability that allows local attackers to cause rsync to apply arbitrary ACLs or extended attributes to…
CVE-2026-53798Medium5.32026-08-13rsync before 3.5.0 contains a privilege confusion vulnerability in the name-converter subprocess uid/gid mapping that allows local attackers to cause transferr…
CVE-2026-53797Medium4.72026-08-13rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's source tree traversal that allows an attacker who can manipulate a parent di…
CVE-2026-53795High8.12026-08-13rsync before 3.5.0 contains an arbitrary file write vulnerability that allows attackers to write files outside the intended destination tree by specifying an a…
CVE-2026-53791Critical9.12026-08-13rsync daemon before 3.5.0 contains an IP address spoofing vulnerability that allows unauthenticated remote attackers to bypass IP-based access controls by send…
CVE-2026-53789Medium6.52026-08-13rsync before 3.5.0 contains an improper path handling vulnerability that allows a malicious sender to expand the scope of --delete operations beyond the intend…
CVE-2026-53786Medium6.52026-08-13rsync before 3.5.0 contains a filter rule bypass vulnerability that allows authenticated clients to override module-level filter restrictions by supplying mali…
CVE-2026-53784High7.12026-08-13rsync before 3.5.0 contains a path traversal vulnerability that allows remote clients to access files outside the intended module root when use chroot is disab…
CVE-2026-4408Critical9.02026-05-28A 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 s…
CVE-2026-2340Medium6.52026-05-27A 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 aft…
CVE-2026-1933High7.12026-05-27A 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, authentica…
CVE-2026-3012High8.02026-05-27A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate…
CVE-2026-4480Critical9.02026-05-26A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command"…
CVE-2026-29518High7.02026-05-20Rsync versions before 3.4.3 contain a time-of-check to time-of-use (TOCTOU) race condition in daemon file handling that allows attackers to redirect file write…
CVE-2026-45232Low3.12026-05-20Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows…
CVE-2026-43620Medium6.52026-05-20Rsync version 3.4.2 and prior contain a receiver-side out-of-bounds array read vulnerability in recv_files() in receiver.c that allows a malicious rsync server…
CVE-2026-43619Medium6.32026-05-20Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir…
CVE-2026-43618High8.12026-05-20Rsync version 3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder where a 32-bit signed counter is not checked for overfl…
CVE-2026-43617Medium4.82026-05-20Rsync version 3.4.2 and prior contain an authorization bypass vulnerability in the rsync daemon's hostname-based access control list enforcement when configure…
CVE-2026-41035High7.42026-04-16In rsync 3.0.1 through 3.4.1, receive_xattr relies on an untrusted length value during a qsort call, leading to a receiver use-after-free. The victim must run…
CVE-2025-0620Medium4.92025-06-06A 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 expo…
CVE-2024-58250Critical9.32025-04-22The passprompt plugin in pppd in ppp before 2.5.2 mishandles privileges.
CVE-2024-12084Critical9.82025-01-15A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths (s2length) in t…
CVE-2024-12088Medium6.52025-01-14A flaw was found in rsync. When using the `--safe-links` option, the rsync client fails to properly verify if a symbolic link destination sent from the server…
CVE-2024-12087Medium6.52025-01-14A path traversal vulnerability exists in rsync. It stems from behavior enabled by the `--inc-recursive` option, a default-enabled option for many client option…
CVE-2024-12086Medium6.12025-01-14A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are b…
CVE-2024-12085High7.52025-01-14A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length (s2length…
CVE-2023-4154High7.52023-11-07A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Do…
CVE-2023-42669Medium6.52023-11-06A 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 ste…
CVE-2023-3961Critical9.12023-11-03A path traversal vulnerability was identified in Samba when processing client pipe names connecting to Unix domain sockets within a private directory. Samba ty…
CVE-2023-4091Medium6.52023-11-03A 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_xa…
CVE-2023-42670Medium6.52023-11-03A 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 se…
CVE-2023-5568Medium5.92023-10-25A 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 s…
CVE-2023-3347Medium5.92023-07-20A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required"…
CVE-2023-34968Medium5.32023-07-20A path disclosure vulnerability was found in Samba. As part of the Spotlight protocol, Samba discloses the server-side absolute path of shares, files, and dire…
CVE-2023-34967Medium5.32023-07-20A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is…
CVE-2023-34966High7.52023-07-20An 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 un…
CVE-2022-2127Medium5.92023-07-20An 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…
CVE-2023-0922Medium5.92023-04-03The Samba AD DC administration tool, when operating against a remote LDAP server, will by default send new or reset passwords over a signed-only connection.
CVE-2023-0614Medium6.52023-04-03The fix in 4.6.16, 4.7.9, 4.8.4 and 4.9.7 for CVE-2018-10919 Confidential attribute disclosure vi LDAP filters was insufficient and an attacker may be able to…
CVE-2023-0225Medium4.32023-04-03A flaw was found in Samba. An incomplete access check on dnsHostName allows authenticated but otherwise unprivileged users to delete this attribute from any ob…
CVE-2022-45141Critical9.82023-03-06Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac i…
CVE-2021-20251Medium5.92023-03-06A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being successful if special conditions are…
CVE-2018-14628Medium4.32023-01-17An information leak vulnerability was discovered in Samba's LDAP server. Due to missing access control checks, an authenticated but unprivileged attacker could…
CVE-2022-3592Medium6.52023-01-12A symlink following vulnerability was found in Samba, where a user can create a symbolic link that will make 'smbd' escape the configured share path. This flaw…
CVE-2022-3437Medium6.52023-01-12A 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 decr…
CVE-2022-42898High8.82022-12-25PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind…
CVE-2022-44640Critical9.82022-12-25Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).
CVE-2022-4603Medium4.32022-12-18A vulnerability classified as problematic has been found in ppp. Affected is the function dumpppp of the file pppdump/pppdump.c of the component pppdump. The m…
CVE-2022-38023High8.12022-11-09Netlogon RPC Elevation of Privilege Vulnerability
CVE-2022-37967High7.22022-11-09Windows Kerberos Elevation of Privilege Vulnerability
CVE-2022-37966High8.12022-11-09Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability
CVE-2022-32743High7.52022-09-01Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit unprivileged users to write it.
CVE-2022-1615Medium5.52022-09-01In Samba, GnuTLS gnutls_rnd() can fail and give predictable random values.
CVE-2022-0336High8.82022-08-29The Samba AD DC includes checks when adding service principals names (SPNs) to an account to ensure that SPNs do not alias with those already in the database…
CVE-2022-32746Medium5.42022-08-25A flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values freed by a preceding database module, resu…
CVE-2022-32745High8.12022-08-25A flaw was found in Samba. Samba AD users can cause the server to access uninitialized data with an LDAP add or modify the request, usually resulting in a segm…
CVE-2022-32744High8.82022-08-25A flaw was found in Samba. The KDC accepts kpasswd requests encrypted with any key known to it. By encrypting forged kpasswd requests with its own key, a user…
CVE-2022-32742Medium4.32022-08-25A flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client had sent enough data to fulfill the write, allowing s…
CVE-2022-2031High8.82022-08-25A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt…
CVE-2021-3670Medium6.52022-08-23MaxQueryDuration not honoured in Samba AD DC LDAP
CVE-2021-20316Medium6.82022-08-23A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata…
CVE-2022-29154High7.42022-08-02An issue was discovered in rsync before 3.2.5 that allows malicious remote servers to write arbitrary files inside the directories of connecting peers. The ser…
CVE-2022-29869Medium5.32022-04-28cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a valid credentials file.
CVE-2022-27239High7.82022-04-27In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root priv…
CVE-2020-25721High8.82022-03-16Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable S…
CVE-2021-3738High8.82022-03-02In DCE/RPC it is possible to share the handles (cookies for resource state) between multiple connections via a mechanism called 'association groups'. These han…
CVE-2021-23192High7.52022-03-02A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker c…
CVE-2021-44141Medium4.32022-02-21All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the…
CVE-2021-44142High8.82022-02-21The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a N…
CVE-2020-25722High8.82022-02-18Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total dom…
CVE-2020-25719High7.22022-02-18A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become conf…
CVE-2020-25718High8.82022-02-18A flaw was found in the way samba, as an Active Directory Domain Controller, is able to support an RODC (read-only domain controller). This would allow an RODC…
CVE-2020-25717High8.12022-02-18A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.
CVE-2016-2124Medium5.92022-02-18A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even i…
CVE-2021-43566Low2.52022-01-11All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the serv…
CVE-2021-3671Medium6.52021-10-12A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated us…
CVE-2020-14387High7.42021-05-27A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validates certificate with host mismatch vulnerability. A remote, unauthenticated attac…
CVE-2020-27840High7.52021-05-12A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead…
CVE-2021-20277High7.52021-05-12A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of…
CVE-2021-20254Medium6.82021-05-05A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a fl…
CVE-2021-20208Medium6.12021-04-19A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of th…
CVE-2020-14318Medium4.32020-12-03A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and director…
CVE-2020-14383Medium6.52020-12-02A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC server, which also serves protocols othe…
CVE-2020-17049Medium6.62020-11-11A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos…
CVE-2020-14323Medium5.52020-10-29A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this f…
CVE-2020-14342Medium4.42020-09-09It was found that cifs-utils' mount.cifs was invoking a shell when requesting the Samba password, which could be used to inject arbitrary commands. An attacker…
CVE-2020-1472Medium5.52020-08-17An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the N…
CVE-2020-10745High7.52020-07-07A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote…
CVE-2020-10730Medium6.52020-07-07A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Alt…