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Medium severity6.5NVD Advisory· Published Jul 11, 2019· Updated Jun 17, 2026

CVE-2019-0046

CVE-2019-0046

Description

A vulnerability in the pfe-chassisd Chassis Manager (CMLC) daemon of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the EX4300 when specific valid broadcast packets create a broadcast storm condition when received on the me0 interface of the EX4300 Series device. A reboot of the device is required to restore service. Continued receipt of these valid broadcast packets will create a sustained Denial of Service (DoS) against the device. Affected releases are Juniper Networks Junos OS: 16.1 versions above and including 16.1R1 prior to 16.1R7-S5; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S2; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2.

Affected products

63
  • Juniper Networks/Junos62 versions
    cpe:2.3:o:juniper:junos:16.1:-:*:*:*:*:*:*+ 61 more
    • cpe:2.3:o:juniper:junos:16.1:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r3-s10:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r3-s11:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r6-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:r6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s10:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.1:r2-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:r1-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:r1-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:r2-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:r2-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.3:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.3:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.3:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.3:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.3:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.3:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r1-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r1-s6:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r1-s7:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:17.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s4:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.1:r3-s5:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.2:r2-s4:*:*:*:*:*:*
    • (no CPE)range: 16.1 versions above and including 16.1R1 prior to 16.1R7-S5; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S2; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2
    • (no CPE)range: 16.1 versions above and including 16.1R1 prior to 16.1R7-S5
  • Juniper Networks/EX4300llm-fuzzy
    Range: 16.1 versions above and including 16.1R1 prior to 16.1R7-S5; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S2; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2

Patches

Vulnerability mechanics

References

2

News mentions

0

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