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CVE-2026-34063

🗓️ 22 Apr 2026 19:40:26Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Discovery substreams opened twice on one connection crash the node; fixed in version 1.3.0; no workaround.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34063
22 Apr 202619:40
attackerkb
Circl
CVE-2026-34063
22 Apr 202620:16
circl
CNNVD
Nimiq 安全漏洞
22 Apr 202600:00
cnnvd
Cvelist
CVE-2026-34063 network-libp2p: Peer can crash the node by opening discovery protocol substream twice
22 Apr 202619:40
cvelist
EUVD
EUVD-2026-25058
22 Apr 202619:40
euvd
NVD
CVE-2026-34063
22 Apr 202620:16
nvd
Positive Technologies
PT-2026-34544
22 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-34063
5 Jun 202619:22
redhatcve
Vulnrichment
CVE-2026-34063 network-libp2p: Peer can crash the node by opening discovery protocol substream twice
22 Apr 202619:40
vulnrichment
NVD
Vulners
Node
[
  {
    "vendor": "nimiq",
    "product": "network-libp2p",
    "versions": [
      {
        "version": "< 1.3.0",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00352
SSVC
7