The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions before 12.3X48-D90; 15.1X49 versions before 15.1X49-D180; 17.3 versions; 17.4 versions before 17.4R2-S5, 17.4R3; 18.1 versions before 18.1R3-S6; 18.2 versions before 18.2R2-S4, 18.2R3; 18.3 versions before 18.3R2-S1, 18.3R3; 18.4 versions before 18.4R2; 19.1 versions before 19.1R1-S1, 19.1R2.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
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juniper junos 12.3x48 |
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juniper junos 15.1x49 |
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juniper junos 17.3 |
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juniper junos 17.4 |
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juniper junos 18.1 |
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juniper junos 18.2 |
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juniper junos 18.3 |
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juniper junos 18.4 |
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juniper junos 19.1 |
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