Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS | unaffected |
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| Juniper Networks | Junos OS Evolved | unaffected |
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Vendor Solution
The following software releases have been updated to resolve this specific issue: Junos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases. Junos OS Evolved: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.2X100-D35-EVO, 25.4R1-S3-EVO, 25.4R2-EVO, 25.4X300-D40-EVO, 26.2R1-S2-EVO, 26.2R2-EVO, 26.4R1-EVO, and all subsequent releases. Note: For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.
Vendor Workaround
There are no known workarounds for this issue.
Tracking
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| Link | Providers |
|---|---|
| https://supportportal.juniper.net/JSA112187 |
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Wed, 14 Oct 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An Out-of-bounds Write vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a denial of service when IS-IS link protection and backup-selection are configured. | |
| Title | Junos OS and Junos OS Evolved: An out-of-bounds write causes an rpd crash when IS-IS backup selection is used | |
| Weaknesses | CWE-787 | |
| References |
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| Metrics |
cvssV3_1
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Subscriptions
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MITRE
Status: PUBLISHED
Assigner: juniper
Published:
Updated: 2026-10-14T20:26:08.915Z
Reserved: 2026-09-28T18:17:13.470Z
Link: CVE-2026-102177
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-14T17:18:05.453
Modified: 2026-10-14T17:18:05.453
Link: CVE-2026-102177
Redhat
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OpenCVE Enrichment
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CWE-787
Out-of-bounds Write