Skip to main content

Integer Overflow or Wraparound

CVE-2021-31292

High
7.5/10

Summary

An Integer Overflow in "CrwMap::encode0x1810" of exiv2 versions prior to 0.27.4-RC2, allows attackers to trigger a heap-based buffer overflow and cause a Denial of Service (DoS) via crafted metadata.

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

CWE-190 - Integer Overflow or Wraparound

The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.

References

Advisory Timeline

  • Published