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Out-of-bounds Write

CVE-2019-16226

High
7.5/10

Summary

An issue was discovered in lmdb. "mdb_node_del" does not validate a "memmove" in the case of an unexpected "node->mn_hi", leading to an invalid write operation. NOTE: This outcome occurs when accessing a "data.mdb" file supplied by an attacker.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • 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.

References

Advisory Timeline

  • Published