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CVE-2026-45541 ESF-IDF: Remote Null Pointer Dereference in WebSocket Server

🗓️ 10 Jun 2026 00:25:59Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Null pointer dereference during WebSocket handshake in espessif framework can crash the server via Sec-WebSocket-Protocol header tokenization; fixed in later releases.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-45541
10 Jun 202603:00
circl
CVE
CVE-2026-45541
10 Jun 202600:25
cve
EUVD
EUVD-2026-35914
10 Jun 202600:25
euvd
NVD
CVE-2026-45541
10 Jun 202602:16
nvd
Positive Technologies
PT-2026-48352
10 Jun 202600:00
ptsecurity
[
  {
    "vendor": "espressif",
    "product": "esp-idf",
    "versions": [
      {
        "version": "= 6.0",
        "status": "affected"
      },
      {
        "version": "= 5.5.4",
        "status": "affected"
      },
      {
        "version": "= 5.4.4",
        "status": "affected"
      },
      {
        "version": "= 5.3.5",
        "status": "affected"
      },
      {
        "version": "= 5.2.6",
        "status": "affected"
      }
    ]
  }
]

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