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EUVD-2026-39547

🗓️ 25 Jun 2026 19:36:21Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Out-of-bounds heap read in SM2/SM3 certificate verification for keys shorter than 65 bytes.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-12340
25 Jun 202619:36
attackerkb
CVE
CVE-2026-12340
25 Jun 202619:36
cve
Cvelist
CVE-2026-12340 Out-of-bounds heap read in SM2/SM3 certificate Subject Key Identifier computation
25 Jun 202619:36
cvelist
NVD
CVE-2026-12340
25 Jun 202620:17
nvd
Positive Technologies
PT-2026-52564
25 Jun 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "dbcc4bff-b3c2-37c2-bcf7-ead64c58918d",
        "vendor": {
          "name": "wolfSSL"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0be0b792-923d-3f07-98e0-b488e2b19cf3",
        "product": {
          "name": "wolfSSL",
          "vendor": {
            "name": "wolfSSL"
          }
        },
        "product_version": "5.6.4 ≤5.9.1"
      }
    ]
  }
]

Data

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25 Jun 2026 19:36Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.3
2