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    <title>Most recent entries from all</title>
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      <title>CVE-2026-66080 — RabbitMQ: Super-stream partitions unbounded allocation</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-66080</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; rabbitmq-server&lt;/p&gt;
&lt;p&gt;RabbitMQ is a messaging and streaming broker. Prior to versions 4.1.11, 4.2.6, and 4.3.0, validate_partitions only checks that the requested partition count is at least 1, with no upper bound. A large count such as lists:seq(0, 500000000) allocates roughly 8GB. Preconditions include The rabbitmq_stream_management plugin must be enabled. The caller needs the management tag and access to the target vhost.. This issue is fixed in versions 4.1.11, 4.2.6, and 4.3.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; rabbitmq-server&lt;/p&gt;
&lt;p&gt;RabbitMQ is a messaging and streaming broker. Prior to versions 4.1.11, 4.2.6, and 4.3.0, validate_partitions only checks that the requested partition count is at least 1, with no upper bound. A large count such as lists:seq(0, 500000000) allocates roughly 8GB. Preconditions include The rabbitmq_stream_management plugin must be enabled. The caller needs the management tag and access to the target vhost.. This issue is fixed in versions 4.1.11, 4.2.6, and 4.3.0.&lt;/p&gt;</content:encoded>
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