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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-14456

CVE-2026-14456: 2 tracked advisory records across NetApp, 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

NetApp

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-14456] OpenSSL Vulnerability in NetApp Products

    NTAP-20260821-0003Source published Source updated

    OpenSSL versions 4.0, 3.6, and 3.5 are susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS). Successful exploitation of this vulnerability could lead to Denial of Service (DoS). NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.

    Affected products in this advisory
    No product details extracted. Check the source bulletin.
    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.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-14456] Denial of Service via unbounded memory growth in QUIC server

    CVE-2026-14456Source published Source updated

    Issue summary: When an OpenSSL QUIC server (Listener SSL object) processes valid QUIC Initial packets for unknown destination connection IDs, it can allocate and queue new incoming channels without enforcing any limit. Impact summary: A remote peer that can make many Initial packets reach the server listener faster than the application accepts connections, can cause the memory allocated to store the per-channel state to grow without any limits, potentially making the QUIC listener unavailable and causing Denial of Service. CWE: CWE-770: Allocation of Resources Without Limits or Throttling Description: The function that handles inbound QUIC packets uses Connection-Id from the packet header to find an existing connection (QUIC channel). If no existing connection is found and the packet…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 9
    • Red Hat Hardened Images
    • Red Hat Developer Hub

    2 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • openssl-1:3.5.8-1.el10_2
    • openssl-1:3.5.8-1.el9_8
    • openssl-main-3.5.6-0.5.hum1
    • RHSA-2026:67154

    2 more entries in the full advisory.

    Mitigation guidance
    • Rate-limit or firewall inbound QUIC (UDP 443) traffic at the network level to reduce exposure. If QUIC server functionality is not required, disable it and use TLS over TCP instead. The upstream fix introduces a default limit of 256 pending connections, configurable via SSL_set_value_uint(3ossl).
    Full advisory and evidenceOpen source bulletin

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