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EUVD-2026-48722

🗓️ 24 Jul 2026 16:45:24Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Libssh2 pre-auth heap overflow enables attacker to corrupt heap during Encrypt-then-MAC negotiation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-66035
24 Jul 202616:45
attackerkb
CVE
CVE-2026-66035
24 Jul 202616:45
cve
Cvelist
CVE-2026-66035 libssh2 Heap Buffer Overflow via ETM Cipher Negotiation
24 Jul 202616:45
cvelist
NVD
CVE-2026-66035
24 Jul 202617:17
nvd
Positive Technologies
PT-2026-64382
24 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-66035 libssh2 Heap Buffer Overflow via ETM Cipher Negotiation
24 Jul 202616:45
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "8a1ab1e5-4315-3843-b84c-aeedfe2efbe6",
        "vendor": {
          "name": "libssh2"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "2f5a9747-a239-319d-9136-d7dff705a4e7",
        "product": {
          "name": "libssh2",
          "vendor": {
            "name": "n/a"
          }
        },
        "product_version": "patch: 42e33d81577ed4b95d4b4f6f845e5ee8efe5eeb4"
      },
      {
        "id": "57e8f865-8148-3106-a452-a2cffd80c9a1",
        "product": {
          "name": "libssh2",
          "vendor": {
            "name": "n/a"
          }
        },
        "product_version": "0 ≤1.11.1"
      }
    ]
  }
]

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