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EUVD-2026-38386

🗓️ 22 Jun 2026 21:16:04Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Vulnerability in MessagePack for C sharp allows large allocations from unvalidated uncompressed lengths; fixed in 2.5.301 and 3.1.7.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-48510
22 Jun 202621:16
attackerkb
Circl
CVE-2026-48510
23 Jun 202600:18
circl
CVE
CVE-2026-48510
22 Jun 202621:16
cve
Cvelist
CVE-2026-48510 MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths
22 Jun 202621:16
cvelist
NVD
CVE-2026-48510
22 Jun 202622:16
nvd
Positive Technologies
PT-2026-51394
22 Jun 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "ed1e1843-f53a-3a78-8377-8811140bc2c7",
        "vendor": {
          "name": "MessagePack-CSharp"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "726951c2-7ded-3756-8337-82aeabf91c7e",
        "product": {
          "name": "MessagePack-CSharp",
          "vendor": {
            "name": "MessagePack-CSharp"
          }
        },
        "product_version": "< 2.5.301"
      },
      {
        "id": "de318a31-1541-34f8-8302-b1d8cb3e6147",
        "product": {
          "name": "MessagePack-CSharp",
          "vendor": {
            "name": "MessagePack-CSharp"
          }
        },
        "product_version": "3.1.7, < 3.1.7"
      }
    ]
  }
]

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22 Jun 2026 21:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.3
2