Description
A Numeric Truncation Error vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a denial of service via a BGP Prefix-SID route advertisement that is subsequently re-advertised.

This issue does not affect versions of Junos OS prior to 20.4R1.
This issue does not affect versions of Junos OS Evolved prior to 20.4R1-EVO
Published: 2026-10-14
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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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Advisories

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History

Wed, 14 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 14 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Description A Numeric Truncation Error vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a denial of service via a BGP Prefix-SID route advertisement that is subsequently re-advertised. This issue does not affect versions of Junos OS prior to 20.4R1. This issue does not affect versions of Junos OS Evolved prior to 20.4R1-EVO
Title Junos OS and Junos OS Evolved: An attacker causes a routing-daemon crash when BGP Prefix-SID routes are re-advertised
Weaknesses CWE-197
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published:

Updated: 2026-10-14T19:05:06.371Z

Reserved: 2026-03-23T19:46:13.673Z

Link: CVE-2026-33795

cve-icon Vulnrichment

Updated: 2026-10-14T19:04:14.479Z

cve-icon NVD

Status : Received

Published: 2026-10-14T17:18:28.123

Modified: 2026-10-14T19:17:15.313

Link: CVE-2026-33795

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses