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EUVD-2026-38382

🗓️ 22 Jun 2026 21:11:35Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

MessagePack for C sharp allows large array allocation from attacker controlled length before validation; fixed in 2.5.301 and 3.1.7.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-48514
22 Jun 202621:11
attackerkb
CVE
CVE-2026-48514
22 Jun 202621:11
cve
Cvelist
CVE-2026-48514 MessagePack-CSharp: Unity unsafe blit formatter allocates from unbounded byte length
22 Jun 202621:11
cvelist
NVD
CVE-2026-48514
22 Jun 202622:16
nvd
Positive Technologies
PT-2026-51398
22 Jun 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "ff95b19c-c592-3ed3-a48f-1ca28f853670",
        "vendor": {
          "name": "MessagePack-CSharp"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "4b28bcf2-9341-33b7-a8f6-7888579d644a",
        "product": {
          "name": "MessagePack-CSharp",
          "vendor": {
            "name": "MessagePack-CSharp"
          }
        },
        "product_version": "< 2.5.301"
      },
      {
        "id": "faae5cc1-d4bd-3681-8d76-5d8b3d6e4198",
        "product": {
          "name": "MessagePack-CSharp",
          "vendor": {
            "name": "MessagePack-CSharp"
          }
        },
        "product_version": "3.1.7, < 3.1.7"
      }
    ]
  }
]

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22 Jun 2026 21:11Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.3
3