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1 parent 4c93771 commit 4bdd6e4Copy full SHA for 4bdd6e4
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Misc/NEWS.d/next/Security/2025-08-29-14-04-17.gh-issue-138223.gX_GJv.rst
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+Fix infinite loop in email.message.EmailMessage.as_string() when
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+add_attachment() is called with very long parameter keys. This could cause
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+denial of service by hanging the application indefinitely during MIME
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+parameter folding and RFC 2231 encoding.
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