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CVE-2026-6862 Efivar: efivar: denial of service due to stack overflow in device path node parsing

🗓️ 22 Apr 2026 13:45:45Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

A user can exploit libefiboot by crafting path nodes with invalid Length, causing stack exhaustion.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6862
22 Apr 202613:45
attackerkb
Circl
CVE-2026-6862
22 Apr 202616:20
circl
CNNVD
Red Hat Enterprise Linux 10 安全漏洞
22 Apr 202600:00
cnnvd
CVE
CVE-2026-6862
22 Apr 202613:45
cve
Debian CVE
CVE-2026-6862
22 Apr 202613:45
debiancve
EUVD
EUVD-2026-24957
22 Apr 202615:31
euvd
NVD
CVE-2026-6862
22 Apr 202614:17
nvd
OSV
DEBIAN-CVE-2026-6862
22 Apr 202614:17
osv
OSV
UBUNTU-CVE-2026-6862
22 Apr 202614:17
osv
Positive Technologies
PT-2026-34450
22 Apr 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "efivar",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "efivar",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "efivar",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "efivar",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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