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CVE-2022-3094 is a resource-exhaustion vulnerability in BIND 9 dynamic DNS update processing. The named daemon allocates memory before checking update ACLs and retains that memory while processing updates from clients whose access credentials are accepted. A sufficiently large flood of dynamic updates can therefore consume available memory and cause named to terminate. The issue affects BIND 9.16.0 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and Supported Preview Edition 9.16.8-S1 through 9.16.36-S1. BIND 9.11 and earlier branches are affected through exhaustion of internal resources, which can reduce performance.
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No public exploit code observed for this vulnerability.
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A vulnerability identified as CVE-2022-3094 affecting systems covered by a CentOS 8.4 TuxCare local security advisory. The supplied CVSS v3 vector indicates a remotely exploitable, low-complexity, unauthenticated vulnerability with high availability impact and no stated confidentiality or integrity impact.
A remotely exploitable, low-complexity vulnerability requiring no privileges or user interaction that can cause high availability impact (denial of service); the referenced security check applies to CentOS 7 systems using the relevant TuxCare update.
A vulnerability covered by the container-image update; no technical description is provided.
Unknown
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.