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Heap-based Buffer Overflow

CVE-2021-3770

High
7.8/10

Summary

vim is vulnerable to Heap-based Buffer Overflow prior to v8.2.3402.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-122 - Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References

Advisory Timeline

  • Published