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Title: gh-56698: Fix base64-url parsing errors in email headers by matthieucan · Pull Request #136830 · python/cpython · GitHub

Open Graph Title: gh-56698: Fix base64-url parsing errors in email headers by matthieucan · Pull Request #136830 · python/cpython

X Title: gh-56698: Fix base64-url parsing errors in email headers by matthieucan · Pull Request #136830 · python/cpython

Description: Accept urlsafe base64 in email headers, as those are sometimes created by email clients. Issue: gh-56698

Open Graph Description: Accept urlsafe base64 in email headers, as those are sometimes created by email clients. Issue: gh-56698

X Description: Accept urlsafe base64 in email headers, as those are sometimes created by email clients. Issue: gh-56698

Opengraph URL: https://github.com/python/cpython/pull/136830

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gh-56698: Fix base64-url parsing errors in email headers https://github.com/python/cpython/pull/136830/files#top
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7706b33 Fix base64-url parsing errors in email headers matthieucan Jul 19, 2025 https://github.com/python/cpython/pull/136830/commits/7706b33e18b277b8bf45c5c4484133bb6ca2a086
b79dce6 Add news entry matthieucan Jul 19, 2025 https://github.com/python/cpython/pull/136830/commits/b79dce66038179af62b640af6dfb416727c69626
81cff0a Add tests for mixed base64 alphabets matthieucan Jul 19, 2025 https://github.com/python/cpython/pull/136830/commits/81cff0ab4c4040cf3f31886c9dfbb0a0c3004b87
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