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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-86344

CVE-2026-86344: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-86344] unauthenticated worker-thread-pool exhaustion via completed-operation-then-incomplete-PDU connection requeue

    CVE-2026-86344Source published Source updated

    unauthenticated worker-thread-pool exhaustion via completed-operation-then-incomplete-PDU connection requeue. Red Hat rates this important (CVSS 7.5). Weakness: CWE-400. Affected products named by the advisory: Red Hat Directory Server 11; Red Hat Directory Server 12; Red Hat Directory Server 13; Red Hat Enterprise Linux 10; and 2 more.

    Related products — impact not confirmed
    • Red Hat Directory Server 11
    • Red Hat Directory Server 12
    • Red Hat Directory Server 13
    • Red Hat Enterprise Linux 10

    2 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Workarounds
    • As an interim mitigation, administrators can limit the number of concurrent connections permitted per source IP address in front of the LDAP listener (for example via a firewall, load balancer, or a tool such as fail2ban), since exploitation requires several simultaneous connections from the same attacker. Upgrading to a fixed package remains the only complete resolution.
    Full advisory and evidenceOpen source bulletin

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