CVE-2026-101937 (GCVE-0-2026-101937)

Vulnerability from cvelistv5 – Published: 2026-10-14 16:40 – Updated: 2026-10-14 20:15
VLAI
Title
Junos OS: SRX Series: An attacker causes data-plane denial of service when chassis-cluster high availability is used
Summary
A Signed to Unsigned Conversion Error vulnerability in the srxpfe of Juniper Networks Junos OS on the SRX Series allows an adjacent attacker to cause a denial of service of the data plane via chassis-cluster fabric traffic.
Severity
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 (High)
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/AU:Y/R:A/V:C/RE:M
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 20:15 UTC
CWE
  • CWE-195 - Signed to Unsigned Conversion Error
Assigner
juniper CNA under the mitre root
CNA scorecard B 85/100 over 175 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Juniper Networks Junos OS Affected: 0 , < 23.2R2-S7.7 (custom)
Affected: 23.4 , < 23.4R2-S8.13 (custom)
Affected: 24.2 , < 24.2R2-S5.5 (custom)
Affected: 24.4 , < 24.4R2-S5 (custom)
Affected: 25.2 , < 25.2R2-S2 (custom)
Affected: 25.4 , < 25.4R1-S3 (custom)
Affected: 26.2 , < 26.2R1-S2 (custom)
guessed Create a notification for this product.
Date Public
2026-10-14 16:00
Show details on NVD website
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                  "value": "The following software releases have been updated to resolve this specific issue:\u003cbr\u003e\n\u003cbr\u003e\nJunos 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.\u003cbr\u003e\u003cbr\u003eJunos 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.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eNote:\u003c/b\u003e 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."
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            "advisory": "JSA112186",
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            "discovery": "INTERNAL"
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          "title": "Junos OS: SRX Series: An attacker causes data-plane denial of service when chassis-cluster high availability is used",
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        "assignerShortName": "juniper",
        "cveId": "CVE-2026-101937",
        "datePublished": "2026-10-14T16:40:47.885Z",
        "dateReserved": "2026-09-28T16:22:33.604Z",
        "dateUpdated": "2026-10-14T20:15:54.489Z",
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}



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