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Improper Validation of Syntactic Correctness of Input

CVE-2025-13033

Severity Medium
Score 6.9/10

Summary

The email parsing library incorrectly handles quoted local-parts containing '@' in versions through 7.0.6. This leads to misrouting of email recipients, where the parser extracts and routes to an unintended domain instead of the RFC-compliant target.

CWE-1286 - Improper Validation of Syntactic Correctness of Input

The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax.

Advisory Timeline

  • Published