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NULL Pointer Dereference


Severity High
Score 7.5/10


The "X509_to_X509_REQ" function in "crypto/x509/x509_req.c" in OpenSSL through 0.9.8ze, 1.0.0-beta1 through 1.0.0q, 1.0.1-beta1 through 1.0.1l, and 1.0.2-beta1 through 1.0.2-pre-reformat, might allow attackers to cause a denial of service (NULL pointer dereference and application crash) via an invalid certificate key.

  • LOW
  • NONE
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-476 - NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Advisory Timeline

  • Published