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Use After Free


Severity High
Score 7.5/10


A flaw was found in curl versions 7.10.7 through 7.50.3. The way curl handles cookies permits other threads to trigger a Use After Free leading to information disclosure.

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

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.

Advisory Timeline

  • Published