CVE-2023-44199

<br /> An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).<br /> <br /> On Junos MX Series platforms with Precision Time Protocol (PTP) configured, a prolonged routing protocol churn can lead to an FPC crash and restart.<br /> <br /> This issue affects Juniper Networks Junos OS on MX Series:<br /> <br /> <br /> <br /> * All versions prior to 20.4R3-S4;<br /> * 21.1 version 21.1R1 and later versions;<br /> * 21.2 versions prior to 21.2R3-S2;<br /> * 21.3 versions prior to 21.3R3-S5;<br /> * 21.4 versions prior to 21.4R3;<br /> * 22.1 versions prior to 22.1R3;<br /> * 22.2 versions prior to 22.2R1-S1, 22.2R2.<br /> <br /> <br /> <br /> <br /> <br /> <br />