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    CVE-2019-12435

    Samba 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 server (dnsserver) RPC server process.

    Published:Jun 19, 2019
    Last Modified:Nov 21, 2024
    EPS:Jun 19, 2019
    EPSS Score:0.06685
    CVSS Score:6.5

    Affected Products

    Vendor
    Samba
    Product
    Samba

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-58224 (CVSS 6.5) — A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validat…
    CVE-2026-58222 (CVSS 8.8) — A security flaw combining LDAP filter injection and improper authorization checks was found in Samba Active Di…
    CVE-2026-58218 (CVSS 5.3) — A flaw was found in Samba's internal DNS server where unauthenticated TKEY registration requests were added to…
    CVE-2026-58216 (CVSS 5.3) — An out-of-bounds read flaw was found in Samba's Kerberos Key Distribution Center's (KDC) password change (kpas…
    CVE-2026-6949 (CVSS 7.5) — No description is available for this CVE.…
    CVE-2026-58221 (CVSS 8.8) — A flaw was found in Samba Active Directory Domain Controller (AD DC). Improper authorization checks allow an a…
    CVE-2026-15779 (CVSS 6.1) — A flaw was found in samba's pam_winbind. When mkhomedir is enabled, pam_winbind chowns the target account's ho…
    CVE-2026-3238 (CVSS 7.5) — A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller. The W…
    CVE-2026-1933 (CVSS 7.1) — A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. D…
    CVE-2026-2340 (CVSS 6.5) — A flaw was found in Samba’s vfs_worm module. The module is intended to provide write-once, read-many (WORM) pr…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00023.html
    http://www.securityfocus.com/bid/108825
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
    https://usn.ubuntu.com/4018-1/
    https://www.samba.org/samba/security/CVE-2019-12435.html
    https://www.synology.com/security/advisory/Synology_SA_19_27
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00023.html
    http://www.securityfocus.com/bid/108825
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
    https://usn.ubuntu.com/4018-1/
    https://www.samba.org/samba/security/CVE-2019-12435.html
    https://www.synology.com/security/advisory/Synology_SA_19_27

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High