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Use After Free

CVE-2017-14857

Medium
5.5/10

Summary

In Exiv2 0.26, there is an invalid free in the Image class in image.cpp that leads to a Segmentation fault. A crafted input will lead to a denial of service attack.

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

CWE-416 - Use After Free

Use-after-free (UaF) vulnerability occurs when the application is using a pointer to memory that has been freed. Any attempt to read/write to a buffer after it is de-allocated allows memory corruption, sensitive information exposure, and can potentially lead to arbitrary code execution.

References

Advisory Timeline

  • Published