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Title: [3.13] gh-145264: Do not ignore excess Base64 data after the first padded quad (GH-145267) (GH-146326) by miss-islington · Pull Request #146348 · python/cpython · GitHub

Open Graph Title: [3.13] gh-145264: Do not ignore excess Base64 data after the first padded quad (GH-145267) (GH-146326) by miss-islington · Pull Request #146348 · python/cpython

X Title: [3.13] gh-145264: Do not ignore excess Base64 data after the first padded quad (GH-145267) (GH-146326) by miss-islington · Pull Request #146348 · python/cpython

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Open Graph Description: Base64 decoder (see binascii.a2b_base64(), base64.b64decode(), etc) no longer ignores excess data after the first padded quad in non-strict (default) mode. Instead, in conformance with RFC 4648, i...

X Description: Base64 decoder (see binascii.a2b_base64(), base64.b64decode(), etc) no longer ignores excess data after the first padded quad in non-strict (default) mode. Instead, in conformance with RFC 4648, i...

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Excess Base64 data ignored after padding by default #145264 https://github.com/python/cpython/issues/145264
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