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MIME-Tools (< 5.521)

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medium advisory

Perl MIME-tools: Header parsing vulnerabilities (CVE-2026-116264, CVE-2026-116265, CVE-2026-116266)

Multiple vulnerabilities in the Perl MIME-tools library prior to version 5.521 allow for header parsing manipulation, potentially leading to security bypasses or desynchronization in applications processing complex MIME messages.

MIME-tools vulnerability perl mime
3c