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CVE-2026-22796 ASN1_TYPE Type Confusion in the PKCS7_digest_from_attributes() function

🗓️ 27 Jan 2026 16:01:28Reported by opensslType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Type confusion in PKCS7 digest from attributes causes crash on malformed PKCS#7 during signature verification.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "OpenSSL",
    "vendor": "OpenSSL",
    "versions": [
      {
        "lessThan": "3.6.1",
        "status": "affected",
        "version": "3.6.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.5.5",
        "status": "affected",
        "version": "3.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.4.4",
        "status": "affected",
        "version": "3.4.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.3.6",
        "status": "affected",
        "version": "3.3.0",
        "versionType": "semver"
      },
      {
        "lessThan": "3.0.19",
        "status": "affected",
        "version": "3.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.1.1ze",
        "status": "affected",
        "version": "1.1.1",
        "versionType": "custom"
      },
      {
        "lessThan": "1.0.2zn",
        "status": "affected",
        "version": "1.0.2",
        "versionType": "custom"
      }
    ]
  }
]

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