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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2025-5222

High
7/10

Summary

A Stack Buffer Overflow was found in International Components for Unicode (ICU). While running the genrb binary, the "subtag" struct overflowed in the "SRBRoot::addTag" function. This issue may lead to memory corruption and local arbitrary code execution. This issue affects versions prior to release-77-rc.

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

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published