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EUVD-2026-54221

🗓️ 07 Aug 2026 00:31:19Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

LwM2M TLV parser ignores buffer length, causing out-of-bounds reads and memory disclosure in NoSec.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-5855
6 Aug 202618:39
attackerkb
cve
CVE
CVE-2026-5855
6 Aug 202618:39
cve
cvelist
Cvelist
CVE-2026-5855 Contiki-NG LwM2M TLV Parser Out-of-Bounds Read via Unchecked Buffer Length in lwm2m_tlv_read
6 Aug 202618:39
cvelist
nvd
NVD
CVE-2026-5855
6 Aug 202622:18
nvd
[
  {
    "enisaIdVendor": [
      {
        "id": "05032212-b6e9-368d-862b-b6d9a8077446",
        "vendor": {
          "name": "contiki-ng"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "87641d9f-92f2-3fea-aece-f5d701d3aac0",
        "product": {
          "name": "contiki-ng",
          "vendor": {
            "name": "contiki-ng"
          }
        },
        "product_version": "0 <f1673b5766d4d4d514cefb8a0350f43653574997"
      }
    ]
  }
]

Data

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07 Aug 2026 00:31Current
5.6Medium risk
Vulners AI Score5.6
CVSS 48.7
CVSS 3.17.5
3