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CVE-2026-34181 PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys

🗓️ 09 Jun 2026 16:03:22Reported by opensslType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

PKCS#12 with PBMAC1 accepts short HMAC keys, enabling forged certificates and private keys at 1 in 256.

Related
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Refs
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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"
      },
      {
        "lessThan": "3.6.3",
        "status": "affected",
        "version": "3.6.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.5.7",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.6",
        "status": "affected",
        "version": "3.4.0",
        "versionType": "semver"
      }
    ]
  }
]

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