Junos OS: The routing protocol process (rpd) may crash and generate core files upon receipt of specific valid BGP states from a peered host.

published 2019-10-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-0866

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

A memory leak vulnerability in the of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the device by sending specific commands from a peered BGP host and having those BGP states delivered to the vulnerable device. This issue affects: Juniper Networks Junos OS: 18.1 versions prior to 18.1R2-S4, 18.1R3-S1; 18.1X75 all versions. Versions before 18.1R1 are not affected.

Patch / fix

fixed in 1

Juniper Networks Junos OS 18.1R2-S4, 18.1R3-S1, 18.2X75-D5

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Juniper Networks Junos OS

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption
CWE-401 Missing Release of Memory after Effective Lifetime

References

kb.juniper.net /JSA10957
vendor-advisory

Sources

CVE List CVE-2019-0059
NVD CVE-2019-0059

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Summary