Threats Tagged 'cve-2026-63435'
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Threats Tagged 'cve-2026-63435'
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CVE-2026-63435: CWE-436: Interpretation Conflict in mikel mailCVE-2026-63435 0 Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.q_value_decode and Mail::Utilities.b_value_decode used a single String#match and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle surrounding or subsequent text. A crafted malformed encoded-word in an address display name or local part could cross ? delimiters and make decoded From, To, or Reply-To header values differ from the raw values inspected by a human reviewer or downstream parser, enabling apparent sender or recipient spoofing, phishing, or authorization-check bypass. This issue is fixed in version 2.9.1. Join the discussion | CVE Database V5 | 09/01/2026, 20:09:20 UTC Added: 09/01/2026, 20:23:45 UTC |
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