Description
On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configuration, Packet Forwarding Engine manager (FXPC) process may crash and restart upon receipt of specific layer 2 frames. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series 15.1 versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S13, 17.4R3-S4, 17.4R3-S5; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S7, 18.4R3-S6; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R2-S4, 19.4R3-S1; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2;
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Juniper Networks Junos OS
15.1 to < 15.1R7-S9affected17.3 to < 17.3R3-S11affected17.4 to < 17.4R2-S13, 17.4R3-S4, 17.4R3-S5affected18.2 to < 18.2R3-S8affected18.3 to < 18.3R3-S4affected18.4 to < 18.4R2-S7, 18.4R3-S6affected19.1 to < 19.1R3-S4affected19.2 to < 19.2R1-S6, 19.2R3-S1affected19.3 to < 19.3R3-S1affected19.4 to < 19.4R2-S4, 19.4R3-S1affected20.1 to < 20.1R2affected20.2 to < 20.2R2, 20.2R3affected20.3 to < 20.3R1-S2, 20.3R2affected