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CVE-2026-6331

🗓️ 25 Jun 2026 20:56:25Reported by wolfSSLType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

CVE-2026-6331 fixes HMAC zero-length tag forgery in EVP_DigestVerifyFinal by requiring exact MAC length.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6331
25 Jun 202620:56
attackerkb
Circl
CVE-2026-6331
25 Jun 202621:57
circl
Cvelist
CVE-2026-6331 HMAC zero-length tag forgery in EVP_DigestVerifyFinal
25 Jun 202620:56
cvelist
EUVD
EUVD-2026-39565
26 Jun 202600:32
euvd
NVD
CVE-2026-6331
25 Jun 202622:17
nvd
Positive Technologies
PT-2026-52604
25 Jun 202600:00
ptsecurity
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSL",
    "collectionURL": "https://github.com/wolfSSL/wolfssl",
    "versions": [
      {
        "status": "affected",
        "version": "3.15.5",
        "lessThanOrEqual": "5.9.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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25 Jun 2026 22:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 42.1
7