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Out-of-bounds Read

CVE-2021-40812

Medium
6.5/10

Summary

The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdGetBuf and gdPutBuf return value checks.

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

CWE-125 - Out-of-Bounds Read

Out-of-bounds read is a vulnerability that allows access to memory beyond the authorized accessible location. Such a vulnerability compromises the confidentiality of the trusted environment in the application and enables an attacker to launch further attacks by leveraging the exposed information.

References

Advisory Timeline

  • Published