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      <title>CVE-2024-39519 — Junos OS Evolved: ACX 7000 Series: Multicast traffic is looped in a multihoming EVPN MPLS scenario</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2024-39519</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Juniper Networks Junos OS Evolved&lt;/p&gt;
&lt;p&gt;An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a&lt;/p&gt;
&lt;p&gt;Denial-of-Service (DoS).&lt;/p&gt;
&lt;p&gt;On all ACX 7000 Series platforms running&lt;/p&gt;
&lt;p&gt;Junos OS Evolved, and configured with IRBs, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic.&lt;/p&gt;
&lt;p&gt;This issue affects Junos OS Evolved:&lt;/p&gt;
&lt;p&gt;All versions from 22.2R1-EVO and later versions before 22.4R2-EVO,&lt;/p&gt;
&lt;p&gt;This issue does not affect Junos OS Evolved versions before 22.1R1-EVO.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Juniper Networks Junos OS Evolved&lt;/p&gt;
&lt;p&gt;An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a&lt;/p&gt;
&lt;p&gt;Denial-of-Service (DoS).&lt;/p&gt;
&lt;p&gt;On all ACX 7000 Series platforms running&lt;/p&gt;
&lt;p&gt;Junos OS Evolved, and configured with IRBs, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic.&lt;/p&gt;
&lt;p&gt;This issue affects Junos OS Evolved:&lt;/p&gt;
&lt;p&gt;All versions from 22.2R1-EVO and later versions before 22.4R2-EVO,&lt;/p&gt;
&lt;p&gt;This issue does not affect Junos OS Evolved versions before 22.1R1-EVO.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2024-39519</guid>
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