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EUVD-2021-26652

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Integer Underflow in Zephyr affects versions >=2.4.0, causing Integer Overflow to Buffer Overflow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2021-3321
13 Oct 202102:25
circl
CNNVD
Zephyr 数字错误漏洞
12 Oct 202100:00
cnnvd
CNVD
Zephyr Number Error Vulnerability
14 Oct 202100:00
cnvd
CVE
CVE-2021-3321
12 Oct 202121:50
cve
Cvelist
CVE-2021-3321 Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal
12 Oct 202121:50
cvelist
NVD
CVE-2021-3321
12 Oct 202122:15
nvd
OSV
CVE-2021-3321
12 Oct 202122:15
osv
Prion
Integer overflow
12 Oct 202122:15
prion
[
  {
    "enisaIdVendor": [
      {
        "id": "f115d710-4833-3824-8dfb-6aa3f04c0edf",
        "vendor": {
          "name": "zephyrproject-rtos"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "32d80fd7-a2b3-308d-a67a-1087d970fcdc",
        "product": {
          "name": "Zephyr"
        },
        "product_version": "2.4.0 <unspecified"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
8.7High risk
Vulners AI Score8.7
CVSS 3.17.5 - 8.8
CVSS 25.8
EPSS0.00116
3