CVE-2026-101990
Last modified
CVE-2026-101990 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote configured BGP peer to cause an rpd crash, or on Junos OS remote code-execution, via sending a flow-spec update which is selected for re-advertisement.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote configured BGP peer to cause an rpd crash, or on Junos OS remote code-execution, via sending a flow-spec update which is selected for re-advertisement.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Juniper | Junos Os Evolved | <= 23.1 | — |
| Juniper | Junos Os Evolved | 23.2 | — |
| Juniper | Junos Os Evolved | 23.4 | — |
| Juniper | Junos Os Evolved | 23.4x100 | — |
| Juniper | Junos Os Evolved | 24.2 | — |
| Juniper | Junos Os Evolved | 24.4 | — |
| Juniper | Junos Os Evolved | 25.2 | — |
| Juniper | Junos Os Evolved | 25.2x100 | D10 |
| Juniper | Junos Os Evolved | 25.4 | — |
| Juniper | Junos Os Evolved | 25.4x300 | D10 |
| Juniper | Junos Os Evolved | 26.2 | — |
| Juniper | Junos | <= 23.1 | — |
| Juniper | Junos | 23.2 | — |
| Juniper | Junos | 23.4 | — |
| Juniper | Junos | 24.2 | — |
| Juniper | Junos | 24.4 | — |
| Juniper | Junos | 25.2 | — |
| Juniper | Junos | 25.4 | — |
| Juniper | Junos | 26.2 | — |
References
- https://supportportal.juniper.net/JSA112187Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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