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    CVE-2026-78701

    A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.

    Published:Aug 24, 2026
    Last Modified:Sep 8, 2026
    EPS:Aug 25, 2026
    EPSS Score:0.00419
    CVSS Score:6.5

    Affected Products

    Vendor
    Redhat
    Product
    Directory Server
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-18922 (CVSS 9.8) — A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyru…
    CVE-2026-19843 (CVSS 8.4) — A flaw was found in 389-ds-base. The Cockpit 389 Console's LDAP editor constructs an ldapsearch command by emb…
    CVE-2026-76560 (CVSS 7.5) — A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous …
    CVE-2026-18453 (CVSS 7.5) — A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_sha…
    CVE-2026-18355 (CVSS 7.5) — A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_…
    CVE-2026-18663 (CVSS 5.9) — A flaw was found in 389-ds-base. The get_ldapmessage_controls_ext() function frees the parsed controls array o…
    CVE-2026-19404 (CVSS 6.5) — A flaw was found in 389 Directory Server. The CleanAllRUV and Abort CleanAllRUV replication-maintenance extend…
    CVE-2026-18651 (CVSS 5.4) — A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-lev…
    CVE-2026-11770 (CVSS 7.5) — A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters in…
    CVE-2026-15722 (CVSS 7.5) — A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The get_ruvelement_from_berval()…

    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