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High severity7.5NVD Advisory· Published Oct 9, 2019· Updated Jun 17, 2026

CVE-2019-0064

CVE-2019-0064

Description

On SRX5000 Series devices, if 'set security zones security-zone tcp-rst' is configured, the flowd process may crash when a specific TCP packet is received by the device and triggers a new session. The process restarts automatically. However, receipt of a constant stream of these TCP packets may result in an extended Denial of Service (DoS) condition on the device. This issue affects Juniper Networks Junos OS: 18.2R3 on SRX 5000 Series; 18.4R2 on SRX 5000 Series; 19.2R1 on SRX 5000 Series.

Affected products

6
  • Juniper Networks/Junos5 versions
    cpe:2.3:o:juniper:junos:18.2:r3:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:juniper:junos:18.2:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:18.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:19.2:r1:*:*:*:*:*:*
    • (no CPE)range: 18.2R3, 18.4R2, 19.2R1
    • (no CPE)range: 18.2R3
  • Juniper Networks/SRX5000 Seriesllm-fuzzy
    Range: 18.2R3, 18.4R2, 19.2R1

Patches

Vulnerability mechanics

References

1

News mentions

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