Samba

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

Samba products with known CVEs

ProductCVEs
Samba215
Rsync24
Cifs-Utils4
Ppp3
Jitterbug1
Samba Server1
Volume Service1
Samba CVEs — newest first (page 1 of 2)
CVESeverityScorePublishedSummary
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…
CVE-2020-10760Medium6.52020-07-06A use-after-free flaw was found in all samba LDAP server versions before 4.10.17, before 4.11.11, before 4.12.4 used in a AC DC configuration. A Samba LDAP use…
CVE-2020-14303High7.52020-07-06A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to…
CVE-2020-10704High7.52020-05-06A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Control…
CVE-2020-10700Medium5.32020-05-04A use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a…
CVE-2019-19344Medium6.52020-01-21There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5…
CVE-2019-14907Medium6.52020-01-21All samba versions 4.9.x before 4.9.18, 4.10.x before 4.10.12 and 4.11.x before 4.11.5 have an issue where if it is set with "log level = 3" (or above) then th…
CVE-2019-14902Medium5.42020-01-21There is an issue in all samba 4.11.x versions before 4.11.5, all samba 4.10.x versions before 4.10.12 and all samba 4.9.x versions before 4.9.18, where the re…
CVE-2011-3585Medium4.72019-12-31Multiple race conditions in the (1) mount.cifs and (2) umount.cifs programs in Samba 3.6 allow local users to cause a denial of service (mounting outage) via a…
CVE-2019-14870Medium5.42019-12-10All Samba versions 4.x.x before 4.9.17, 4.10.x before 4.10.11 and 4.11.x before 4.11.3 have an issue, where the S4U (MS-SFU) Kerberos delegation model includes…
CVE-2019-14861Medium5.32019-12-10All Samba versions 4.x.x before 4.9.17, 4.10.x before 4.10.11 and 4.11.x before 4.11.3 have an issue, where the (poorly named) dnsserver RPC pipe provides admi…
CVE-2019-14847Medium4.92019-11-06A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of…
CVE-2019-14833Medium5.42019-11-06A flaw was found in Samba, all versions starting samba 4.5.0 before samba 4.9.15, samba 4.10.10, samba 4.11.2, in the way it handles a user password change or…
CVE-2019-10218Medium6.52019-11-06A flaw was found in the samba client, all samba versions before samba 4.11.2, 4.10.10 and 4.9.15, where a malicious server can supply a pathname to the client…
CVE-2019-10197Medium6.52019-09-03A flaw was found in samba versions 4.9.x up to 4.9.13, samba 4.10.x up to 4.10.8 and samba 4.11.x up to 4.11.0rc3, when certain parameters were set in the samb…
CVE-2019-3800Medium6.32019-08-05CF CLI version prior to v6.45.0 (bosh release version 1.16.0) writes the client id and secret to its config file when the user authenticates with --client-cred…
CVE-2018-16860High7.52019-07-31A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3…
CVE-2019-12436Medium6.52019-06-19Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged se…
CVE-2019-12435Medium6.52019-06-19Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management ser…