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CVE-2026-101950

CRITICAL
9.8NVD

Summary

generated automatically from NVD data

CVE-2026-101950 is a heap-based buffer overflow (CWE-122) in the SVR component of Juniper Networks Junos OS on SRX Series devices. An unauthenticated attacker on the network can send malformed IPv4 packets to an interface configured for Secure Vector Routing, causing a denial of service and potentially compromising confidentiality and integrity. It is rated CRITICAL with a CVSS v3.1 score of 9.8, and NVD has not yet listed the affected versions.

NVD description

A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to cause a denial of service and potentially compromise confidentiality and integrity via malformed IPv4 packets reaching an interface configured for Secure Vector Routing.

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EPSS · FIRST.org

0.47%probability of exploitation in the next 30 days

Higher than 39% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.

In-depth analysis on cveo.tech

We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.

CVSS v3.1 Score

9.8
/ 10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Information

Published
14 oct. 2026
Updated
17 oct. 2026
Status
Awaiting Analysis
Source
sirt@juniper.net

Weaknesses (CWE)

CWE-122

Similar CVEs

Other vulnerabilities of type CWE-122

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