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CVE-2026-33797 Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset

🗓️ 09 Apr 2026 21:31:22Reported by juniperType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Unauthenticated attacker can reset a single Border Gateway Protocol session in Junos Operating System, causing denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33797
9 Apr 202621:31
attackerkb
Circl
CVE-2026-33797
9 Apr 202618:00
circl
CNNVD
Juniper Networks Junos OS和Juniper Networks Junos OS Evolved 输入验证错误漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-33797
9 Apr 202621:31
cve
EUVD
EUVD-2026-21208
10 Apr 202600:30
euvd
Tenable Nessus
Juniper Junos OS Vulnerability (JSA107850)
8 Apr 202600:00
nessus
NVD
CVE-2026-33797
9 Apr 202622:16
nvd
Positive Technologies
PT-2026-31808
9 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-33797
13 Apr 202619:23
redhatcve
Vulnrichment
CVE-2026-33797 Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset
9 Apr 202621:31
vulnrichment
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "25.2R2",
        "status": "affected",
        "version": "25.2",
        "versionType": "semver"
      },
      {
        "lessThan": "25.2R1",
        "status": "unaffected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "modules": [
      "bgp"
    ],
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "25.2R2-EVO",
        "status": "affected",
        "version": "25.2",
        "versionType": "semver"
      },
      {
        "lessThan": "25.2R1-EVO",
        "status": "unaffected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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