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Out-of-bounds Write


Severity High
Score 7.5/10


A flaw was discovered in Elasticsearch in versions 7.0.x prior to 7.17.13, and 8.0.x prior to 8.9.1, affecting the "_search" API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service (DoS).

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

CWE-787 - Out-of-Bounds Write

Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.

Advisory Timeline

  • Published