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Access of Resource Using Incompatible Type ('Type Confusion')

CVE-2024-56522

High
7.5/10

Summary

An issue was discovered in tecnickcom/tcpdf versions prior to 6.8.0 where "unserializeTCPDFtag" uses "!=" (aka loose comparison) and does not use a constant-time function to compare TCPDF tag hashes.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References

Advisory Timeline

  • Published