CVE-2019-0059 Denial of service in Junos OS
An attacker can cause a denial of service on Junos OS devices by sending specific BGP states from a peered host, leading to a routing process crash.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-0059?
CVE-2019-0059 is a high-severity denial of service vulnerability in Juniper Junos, published on 9 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2019-0059?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2019-0059?
No fix has been published for CVE-2019-0059 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-0059 being exploited?
There is no known exploitation of CVE-2019-0059 in the wild and no public exploit code.
Other vulnerabilities in Juniper Junos
- CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification
- CVE-2020-1631 Juniper Junos OS Path Traversal
- CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization
- CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function
- CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification
Sources
Also known as GHSA-q7rm-c66r-g7qx.