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By weakness (CWE)

CWE-407: related vulnerabilities

CVEs classified under CWE-407. Understanding the weakness class helps prioritize systemic fixes over one-off patches.

1 published vulnerability

Known exploited (KEV)CriticalHighMediumAll recent
  • CVE-2026-42504HIGH 7.5

    A vulnerability exists in MIME header parsing where specially crafted email headers containing multiple invalid encoded-words can trigger excessive CPU consumption, effectively causing a denial of service. An attacker can send a malicious email with a crafted header to impact system availability without requiring authentication or user interaction.