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CVE-2026-11622 is an uncontrolled resource-consumption vulnerability in BIND 9 DNSSEC-validating resolvers. During a random-subdomain attack against a DNSSEC-signed zone, memory consumption can grow without effective enforcement of the configured max-cache-size limit. If queries arrive faster than DNSSEC validation can complete, memory use can exceed the configured cache limit by orders of magnitude. Affected versions are BIND 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
34 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by Fedora advisory 2026-0adbf9c133; the content provides no technical flaw description.
A vulnerability referenced by an Alibaba Cloud Linux 3 security update for BIND-related packages; no technical flaw description is provided.
A vulnerability addressed by the Fedora 2026-d87e7f498a update. No technical flaw details are provided.
A vulnerability addressed by the Fedora 43 BIND security advisory; no technical flaw details are provided.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.