Vulnerability details
CVE-2026-101971
Juniper Networks Junos OSJuniper Networks Junos OS Evolved
Junos OS and Junos OS Evolved: An attacker causes routing protocol daemon crash when OSPFv3 is enabled
CVSS 4.0
7.1High
Official description
An Allocation of Resources Without Limits or Throttling vulnerability in rpd, the routing protocol daemon, of Juniper Networks Junos OS and Junos OS Evolved platforms allows an unauthenticated adjacent attacker to cause a denial of service and heap memory corruption via OSPFv3 messages on an enabled broadcast interface.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.1High | 4.0 | CVEProject cvelistV5 (CNA) (juniper) | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L |
| 6.5Medium | 3.1 | CVEProject cvelistV5 (CNA) (juniper) | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Juniper Networks | Junos OS | v < 23.2R2-S7.7 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 23.4 ≤ v < 23.4R2-S8.13 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 24.2 ≤ v < 24.2R2-S5.5 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 24.4 ≤ v < 24.4R2-S5 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 25.2 ≤ v < 25.2R2-S2 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 25.4 ≤ v < 25.4R1-S3 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 26.2 ≤ v < 26.2R1-S2 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | v < 23.2R2-S7.7-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 23.4X100 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 23.4 ≤ v < 23.4R2-S8.11-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 24.2 ≤ v < 24.2R2-S5.6-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 24.4 ≤ v < 24.4R2-S5-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.2 ≤ v < 25.2R2-S2-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.2X100 ≤ v < 25.2X100-D35-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.4 ≤ v < 25.4R1-S3-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 25.4X300 ≤ v < 25.4X300-D40-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 26.2 ≤ v < 26.2R1-S2-EVO | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://supportportal.juniper.net/JSA112187 vendor-advisory
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Details
- Published
- 2026-10-14
- Last updated
- 2026-10-14
- State
- Published
- Assigner (CNA)
- juniper
Exploit prediction (EPSS)
0.26%
Probability of exploitation in 30 days
19.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-770Allocation of Resources Without Limits or Throttling