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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-81563

CVE-2026-81563: 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.

NVD detail CVE.org

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-81563] ISC BIND Vulnerability in NetApp Products

    NTAP-20260930-0008Source published Source updated

    ISC BIND versions 9.18.0 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 memory use beyond configured limits until the system memory is exhausted or named is terminated by the operating system resulting in 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
    • 9.18.0
    • 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-2026-81563] BIND resolver: Denial of Service due to resource exhaustion in SVCB/HTTPS AliasMode processing

    CVE-2026-81563Source published Source updated

    BIND resolver: Denial of Service due to resource exhaustion in SVCB/HTTPS AliasMode processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-772. 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. 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
    • 9.18.0
    • 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
    • RHSA-2026:75577
    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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