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Observable Discrepancy

CVE-2025-13912

Low
1/10

Summary

Multiple constant-time implementations in wolfSSL prior to version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks.

  • HIGH
  • LOCAL
  • PASSIVE
  • HIGH

CWE-203 - Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

Advisory Timeline

  • Published