Vulnerability · Published Oct 14, 2026 · Assigned by juniper
CVE-2026-101941Junos OS and Junos OS Evolved: An attacker causes an rpd crash when routing-policy resolution-map processing and policy event tracing are enabled
High 7.5
In plain English
A high-severity null pointer dereference in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 61.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP neighbor to cause a denial of service via a BGP route update when specific routing-policy resolution-map and policy event-tracing configuration is enabled.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS | 0 – before 23.2R2-S7.723.4 – before 23.4R2-S8.1324.2 – before 24.2R2-S5.524.4 – before 24.4R2-S525.2 – before 25.2R2-S225.4 – before 25.4R1-S326.2 – before 26.2R1-S2 |
| Juniper Networks | Junos OS Evolved | 0 – before 23.2R2-S7.7-EVO23.4 – before 23.4R2-S8.11-EVO24.2 – before 24.2R2-S5.6-EVO24.4 – before 24.4R2-S5-EVO25.2 – before 25.2R2-S2-EVO25.4 – before 25.4R1-S3-EVO26.2 – before 26.2R1-S2-EVO23.4X100 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://supportportal.juniper.net/JSA112187 vendor-advisory