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

CVE-2025-26240

High
8.4/10

Summary

In JazzCore python-pdfkit through 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • 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