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Use After Free

CVE-2012-3956

Severity High
Score 10/10

Summary

Use-after-free vulnerability in the MediaStreamGraphThreadRunnable::Run function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

  • LOW
  • NETWORK
  • NONE
  • COMPLETE
  • COMPLETE
  • COMPLETE

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