[NEW] [high] Internet Systems Consortium BIND: Multiple vulnerabilities

CSIRTS triage

What

A remote, anonymous attacker can exploit multiple vulnerabilities in Internet Systems Consortium BIND to bypass security measures, manipulate data, disclose confidential information, or trigger a denial-of-service condition.

Who is affected

Users and deployments of Internet Systems Consortium BIND.

Urgency

Remediation is high urgency due to the potential for severe impacts including denial of service and information disclosure.

Action

Update to the latest version of BIND to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-07-31

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2484

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-107230.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.
• Low exploitation riskCVE-2026-108220.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
• Low exploitation riskCVE-2026-113310.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all scored CVEs.
• Low exploitation riskCVE-2026-116050.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all scored CVEs.
• Low exploitation riskCVE-2026-116220.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.
• Low exploitation riskCVE-2026-117210.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all scored CVEs.
• Low exploitation riskCVE-2026-126170.49% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all scored CVEs.
• Low exploitation riskCVE-2026-132040.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.
• Low exploitation riskCVE-2026-133210.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• highCVE-2026-13321: The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field point…nvd
• highCVE-2026-13204: If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and t…nvd
• highCVE-2026-12617: The issue is unexpected program termination based on ordering and/or specific content in respo…nvd
• highCVE-2026-11721: It is possible for an attacker's zone to respond to a query with an RRSIG that has a smaller n…nvd
• highCVE-2026-11622: A DNSSEC validating resolver that is under a random subdomain attack against a DNSSEC-signed z…nvd
• highCVE-2026-11605: The issue is a resource exhaustion vulnerability associated with DNSSEC validation. BIND alway…nvd
• highCVE-2026-11331: An attacker who knows (or guesses) that a resolver uses RPZ with wildcard CNAME policies can c…nvd
• mediumCVE-2026-10822: If BIND encounters a particular invalid data structure in a DNS record, it will accept the inv…nvd
• mediumCVE-2026-10723: BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to …nvd
• unknownDSA-6395-1 bind9 - security updatedebian
• highCVE-2026-11622: Potential memory usage beyond configured limitsmsrc
• mediumCVE-2026-10822: Key Record using PRIVATEDNS algorithm may lead to unexpected exitmsrc

Recent advisories for Internet Systems Consortium BIND

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• medium[UPDATE] [medium] Internet Systems Consortium BIND: Multiple vulnerabilitiescert-bund · 2026-07-30
• medium[UPDATE] [medium] Internet Systems Consortium BIND: Multiple vulnerabilitiescert-bund · 2026-07-17
• medium[UPDATE] [medium] Internet Systems Consortium BIND: Vulnerability allows denial of servicecert-bund · 2026-07-06

More from CERT-Bund (BSI) Security Advisories

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• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow Denial of Service2026-07-31
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
• medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
• medium[UPDATE] [medium] Linux Kernel (ntfs3): Vulnerability allows information disclosure2026-07-31