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  1. Core Server
  2. SERVER-34193

Limit recursive definition ASN.1 types with OpenSSL update

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    • Backwards Compatibility:
      Fully Compatible
    • Backport Requested:
      v3.6, v3.4, v3.2

      Description

      Constructed ASN.1 types with a recursive definition (as in PKCS7) could exceed stack given excessive recursion. No such structures within SSL/TLS come from untrusted sources so this is considered safe

      Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g).
      Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n).

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              • Created:
                Updated:
                Resolved: