Skip to main content

Uncontrolled Recursion

CVE-2021-36154

High
7.5/10

Summary

The file "HTTP2ToRawGRPCServerCodec" in gRPC Swift version 1.0.0-alpha.21 prior to 1.2.0 allows remote attackers to perform a Denial of Service attack via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption.

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

CWE-674 - Uncontrolled Recursion

The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.

References

Advisory Timeline

  • Published