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Improper Handling of Length Parameter Inconsistency

CVE-2021-36090

Severity High
Score 7.5/10

Summary

When reading a specially crafted ZIP archive, Compress before 1.21 can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' zip package.

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

CWE-130 - Improper Handling of Length Parameter Inconsistency

The software parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data.

Advisory Timeline

  • Published