CVE-2026-101946

Low

Description

An Out-of-bounds Read vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent low-privilege attacker to disclose limited rpd process memory and disrupt an LDP adjacency via an IPv6 LDP message.

SeverityLow
CVSS3.5
Exploit probability—
ProductJunos OS
PublishedOct 14, 2026
First seenOct 14, 2026

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
  • Juniper Networks Junos OS Evolved23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, 25.4X300-D40-EVO 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
Juniper Networks Junos OS Evolvedv < 23.2R2-S7.7-EVO, 23.4 ≤ v < 23.4R2-S8.11-EVO, 24.2 ≤ v < 24.2R2-S5.6-EVO, 24.4 ≤ v < 24.4R2-S5-EVO, 25.2 ≤ v < 25.2R2-S2-EVO, 25.4 ≤ v < 25.4R1-S3-EVO, 26.2 ≤ v < 26.2R1-S2-EVO, 23.4X100, 25.2X100 ≤ v < 25.2X100-D35-EVO, 25.4X300 ≤ v < 25.4X300-D40-EVO23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.4R1-S3-EVO, 26.2R1-S2-EVO, 25.2X100-D35-EVO, 25.4X300-D40-EVO

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.