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CVE-2021-43614 VariableEditSmm: Error checking of UEFI variables could cause buffer overflow, leading to code execution

🗓️ 03 Sep 2026 02:15:34Reported by InsydeType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Buffer overflow in VariableEditSmm PlatformLangCodes handling enables code execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Siemens SIMATIC 安全漏洞
12 Jul 202200:00
cnnvd
cve
CVE
CVE-2021-43614
3 Sep 202602:15
cve
euvd
EUVD
EUVD-2021-34869
3 Sep 202602:15
euvd
nvd
NVD
CVE-2021-43614
3 Sep 202613:04
nvd
ptsecurity
Positive Technologies
PT-2026-84910
3 Sep 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2021-43614 VariableEditSmm: Error checking of UEFI variables could cause buffer overflow, leading to code execution
3 Sep 202602:15
vulnrichment
[
  {
    "vendor": "Insyde Software",
    "product": "InsydeH2O",
    "platforms": [
      "x86"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "InsydeH2OUvePkg",
        "lessThan": "01.01.04.0008",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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