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Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-10822

ISC BIND Vulnerability in NetApp Products

CVE-2026-10822: ISC BIND Vulnerability in NetApp Products. Not in the CISA KEV catalog. Medium advisory severity (CVSS 6.5, NetApp).

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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CVE-2026-10822 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Medium
CVSS base score
6.5 (NetApp), 6.5 (Red Hat)
CVSS vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (Red Hat)
Weakness
CWE-617
Fixed releases
  • Red Hat: bind-main-9.20.26-0.1.hum1, RHSA-2026:54071
Vendor advisories
2 from NetApp, Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-10822; bulletin-wide values are not repeated here.

Is CVE-2026-10822 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-10822 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-10822?

Upgrade to a fixed release named by the vendor:

  • Red Hat: bind-main-9.20.26-0.1.hum1, RHSA-2026:54071
  • Upgrade to the patched release most closely related to your current version of BIND 9: - 9.20.26 - 9.21.24 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. - 9.20.26-S1 (Red Hat)

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityMedium6.5

    Medium [CVE-2026-10822] ISC BIND Vulnerability in NetApp Products

    NTAP-20260730-0003Source published Source updated

    ISC BIND versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.24, and 9.21.0 through 9.21.23 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
    • 9.18.0
    • 9.18.50
    • 9.20.0
    • 9.20.24

    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 severityMedium6.5

    Medium [CVE-2026-10822] Key Record using PRIVATEDNS algorithm may lead to exit

    CVE-2026-10822Source published Source updated

    If BIND encounters a particular invalid data structure in a DNS record, it will accept the invalid data, and may subsequently abort and exit. BIND will first need to store a DNS record for a key (KEY, DNSKEY, etc.). That key must specify a PRIVATEDNS algorithm (253), and in the algorithm identifier, improperly give a length longer than the actual identifier data. If BIND later needs to render that record to text, it will use the invalid length during processing, leading to a consistency check failing. This Moderate impact flaw in BIND allows a specially crafted DNS key record with a PRIVATEDNS algorithm and overlong algorithm identifier to cause the named daemon to abort when rendering the record to text. The attack requires prior storage of the malformed record (requiring user…

    Affected products in this advisory
    • Red Hat Hardened Images
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 6
    • Red Hat Enterprise Linux 7

    6 more entries in the full advisory.

    Source-reported affected versions
    • 9.18.0
    • 9.18.50
    • 9.20.0
    • 9.20.24

    4 more entries in the full advisory.

    Source-reported fixed versions
    • bind-main-9.20.26-0.1.hum1
    • RHSA-2026:54071
    Mitigation guidance
    • Upgrade to the patched release most closely related to your current version of BIND 9: - 9.20.26 - 9.21.24 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. - 9.20.26-S1
    Full advisory and evidenceOpen source bulletin

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