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Double Free

CVE-2019-20792

Medium
4.6/10

Summary

OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.

  • LOW
  • LOCAL
  • NONE
  • PARTIAL
  • PARTIAL
  • PARTIAL

CWE-415 - Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References

Advisory Timeline

  • Published