CVE-2026-101936

Medium

Description

A Reachable Assertion vulnerability in the srxpfe process of Juniper Networks Junos OS on SRX Series allows an adjacent network attacker to cause a denial of service of the data plane via malformed firewall-authentication synchronization traffic on chassis-cluster fabric interfaces.

SeverityMedium
CVSS6.5
Exploit probability—
ProductJunos OS
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-617CWE-617

How to fix

Update
  • Juniper Networks Junos OS23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 26.2R1-S2 or later

Affected products

ProductAffected versionsFixed in
Juniper Networks Junos OSv < 23.2R2-S7.7, 23.4 ≤ v < 23.4R2-S8.13, 24.2 ≤ v < 24.2R2-S5.5, 24.4 ≤ v < 24.4R2-S5, 25.2 ≤ v < 25.2R2-S2, 25.4 ≤ v < 25.4R1-S3, 26.2 ≤ v < 26.2R1-S223.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 26.2R1-S2

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