Improper Update of Reference Count

The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.

CVEs (21)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2022-22195 1Juniper 1Junos Os Evolved Jun 17, 2026 Apr 14, 2022 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Servi...Show more An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.Show less

CVE

VENDORS

PRODUCTS

UPDATED

PUBLISHED

CVSS

CVE-2022-22195

1Juniper

1Junos Os Evolved

Jun 17, 2026

Apr 14, 2022

N/A· v4

7.5 HIGH· v3

7.8 HIGH· v2

An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.Show less

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