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Double Free

CVE-2021-36088

High
9.8/10

Summary

Fluent Bit (aka fluent-bit) 1.7.0 through 1.7.4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do).

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

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