Lucene search
K

CVE-2026-33781 Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed

🗓️ 09 Apr 2026 21:35:48Reported by juniperType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Unauthenticated DoS on Junos OS EX and QFX VXLAN with VSTP BPDU handling causing memory leaks and traffic stop.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "EX Series",
      "QFX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "24.4R2",
        "status": "affected",
        "version": "24.4",
        "versionType": "semver"
      },
      {
        "lessThan": "25.2R1-S1, 25.2R2",
        "status": "affected",
        "version": "25.2",
        "versionType": "semver"
      },
      {
        "lessThan": "24.4R1",
        "status": "unaffected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

09 Apr 2026 21:35Current
CVSS 3.16.5
CVSS 47.1
EPSS0.00021
19