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Out-of-bounds Read

CVE-2021-3477

Severity Medium
Score 5.5/10

Summary

There's a flaw in OpenEXR's deep tile sample size calculations in versions before 2.4.3 and 2.5.x before 2.5.4. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.

  • LOW
  • LOCAL
  • 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.

Advisory Timeline

  • Published