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CVE-2026-58083

🗓️ 19 Aug 2026 07:28:28Reported by freebsdType 
cve
 cve
🔗 web.nvd.nist.gov👁 77 Views

Use-after-free in kqueue copy-on-fork via timer knote firing before copy completes, enabling privilege escalation.

Related
Detection
Affected
Refs
NVD
Node
OR
freebsdfreebsdMatch15.1-
freebsdfreebsdMatch15.1p1
freebsdfreebsdMatch15.1rc2
freebsdfreebsdMatch15.1rc3-p1
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "kqueue"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.1-RELEASE",
        "lessThan": "p2"
      }
    ]
  }
]

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31 Aug 2026 19:02Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.18.4
EPSS0.00123
SSVC
77