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PatchSiren cyber security CVE debrief

CVE-2026-101946 Juniper Networks CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-10-14T16:42:54.291Z and has not been modified since then. CVE-2026-101946 is a low-severity vulnerability in Junos OS and Junos OS Evolved that can lead to limited memory disclosure and LDP adjacency disruption. Network administrators and security teams should assess exposure and prioritize verification. The vulnerability is caused by an Out-of-bounds Read in the rpd process, allowing an adjacent low-privilege attacker to disclose limited rpd process memory and disrupt an LDP adjacency via an IPv6 LDP message.

Vendor
Juniper Networks
Product
Junos OS
CVSS
LOW 3.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-14
Original CVE updated
2026-10-16
Advisory published
2026-10-14
Advisory updated
2026-10-16

Who should care

Network administrators and security teams responsible for Junos OS and Junos OS Evolved deployments should assess exposure and prioritize verification.

Why it matters

CVE-2026-101946 is a low-severity vulnerability in Junos OS and Junos OS Evolved that can lead to limited memory disclosure and LDP adjacency disruption. Network administrators and security teams should assess exposure, prioritize verification, and apply patches or updates as needed.

  • Potential disclosure of limited rpd process memory
  • Disruption of LDP adjacency via IPv6 LDP message
  • Verification of Junos OS and Junos OS Evolved versions for potential exposure
  • Prioritization of patching or updating vulnerable deployments

Technical summary

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. The vulnerability affects Junos OS and Junos OS Evolved deployments using IPv6 LDP. Network administrators and security teams should assess exposure, prioritize verification, and apply patches or updates as needed. The CVE record and source item provide details on the vulnerability, but limited information is available on the r

Defensive priority

Network administrators and security teams should assess exposure and prioritize verification of Junos OS and Junos OS Evolved deployments using IPv6 LDP.

Recommended defensive actions

  • Verify Junos OS and Junos OS Evolved versions for potential exposure
  • Assess network configurations for IPv6 LDP usage
  • Review and apply vendor-provided patches or updates

Evidence notes

The CVE record and source item provide details on the Out-of-bounds Read vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved. Limited information is available on potential exploitation or impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-101946 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-101946

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-101946 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-101946

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.