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CVE-2026-42771 Possible Out of Bounds Read in X509_VERIFY_PARAM_set1_email()

🗓️ 09 Jun 2026 16:03:30Reported by opensslType 
cvelist
 cvelist
🔗 www.cve.org👁 64 Views

Out of bounds read in X509_VERIFY_PARAM_set1_email may crash on crafted From address in S/MIME validation.

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Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "lessThan": "4.0.1",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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10 Jun 2026 07:48Current
CVSS 3.16.2
EPSS0.00218
SSVC
64