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CVE-2026-5067 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key

🗓️ 09 Jun 2026 06:01:02Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Remote attacker can trigger memory corruption in Zephyr HTTP server WebSocket upgrade via non-terminated WebSocket Key, causing crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-5067
9 Jun 202606:01
cve
EUVD
EUVD-2026-35348
9 Jun 202606:01
euvd
NVD
CVE-2026-5067
9 Jun 202606:16
nvd
Positive Technologies
PT-2026-47689
9 Jun 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "packageName": "Zephyr",
    "product": "Zephyr",
    "repo": "https://github.com/zephyrproject-rtos/zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThanOrEqual": "4.3.0",
        "status": "affected",
        "version": "3.7.0",
        "versionType": "git"
      }
    ]
  }
]

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