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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-19667

CVE-2026-19667: 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-2026-19667] ISC BIND Vulnerability in NetApp Products

    NTAP-20260930-0004Source published Source updated

    ISC BIND versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27 and 9.21.0 through 9.21.25 are susceptible to a vulnerability which when successfully exploited could lead to an unexpected program exit and a 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
    • 9.11.0
    • 9.18.50
    • 9.20.0
    • 9.20.27

    2 more entries in the full advisory.

    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-2026-19667] Denial of Service via 16-bit length truncation in DNS negative cache handling

    CVE-2026-19667Source published Source updated

    Denial of Service via 16-bit length truncation in DNS negative cache handling. Red Hat rates this important (CVSS 7.5). Weakness: CWE-190. Red Hat lists fixing advisory RHSA-2026:75577 with package bind9.18-32:9.18.29-14.el9_8.10, bind-main-9.20.29-0.1.hum1, bind-32:9.18.33-15.el10_2.12, bind-32:9.16.23-40.el9_8.10. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.

    Related products — impact not confirmed
    • Red Hat Enterprise Linux 9
    • Red Hat Enterprise Linux 10
    Source-reported affected versions
    • 9.11.0
    • 9.18.50
    • 9.20.0
    • 9.20.27

    4 more entries in the full advisory.

    Source-reported fixed versions
    • bind9.18-32:9.18.29-14.el9_8.10
    • bind-main-9.20.29-0.1.hum1
    • bind-32:9.18.33-15.el10_2.12
    • bind-32:9.16.23-40.el9_8.10

    1 more entries in the full advisory.

    Mitigation guidance
    • To reduce the exposure to this vulnerability, configure BIND 9 to forward all DNS queries to trusted, non-vulnerable upstream DNS servers. This prevents the local `named` instance from directly interacting with potentially malicious authoritative servers. Example configuration in `named.conf`: ``` options { forwarders { 192.0.2.1; 192.0.2.2; }; forward only; }; ``` Replace `192.0.2.1` and `192.0.2.2` with the IP addresses of your trusted upstream DNS servers. After modifying the configuration, restart the `named` service for the changes to take effect. This configuration may impact DNS resolution if the configured forwarders are unavailable or do not provide comprehensive resolution.
    Full advisory and evidenceOpen source bulletin

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