stringprep and IDNA 2003 incorrectly handles some characters #155292

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1. sethmlarson

   added

   type-securityA security issueA security issue

   topic-unicode

   on Aug 6, 2026
2. sethmlarson

   self-assigned this

   on Aug 6, 2026
3. StanFromIreland

   added

   stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

   3.11only security fixesonly security fixes

   3.10 (EOL)end of lifeend of life

   3.12only security fixesonly security fixes

   3.13only security fixesonly security fixes

   3.14bugs and security fixesbugs and security fixes

   3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixes

   3.16new features, bugs and security fixesnew features, bugs and security fixes

   on Aug 6, 2026
4. encukou

   added 2 commits that reference this issue on Aug 18, 2026

   gh-155292: Don't consider Unicode codepoint attributes outside RFC 34…

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   7e109d0

   pythongh-155292: Don't consider Unicode codepoint attributes outside …

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   e2ad986
5. pablogsal

   added a commit that references this issue on Aug 18, 2026

   [3.15] gh-155292: Don't consider Unicode codepoint attributes outside…

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   5181304
6. encukou

   added a commit that references this issue on Sep 4, 2026

   [3.14] gh-155292: Don't consider Unicode codepoint attributes outside…

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   1e54caa
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8. encukou

   added 2 commits that reference this issue on Sep 9, 2026

   gh-155292: Skip updating unicodedata with mismatched interpreter (GH-…

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   c42790b

   [3.13] gh-155292: Don't consider Unicode codepoint attributes outside…

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   c28b121
9. maurycy

   added a commit that references this issue on Sep 10, 2026

   Merge branch 'main' into tachyon-native-callable

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   e028ff5
10. clin1234

    added a commit that references this issue on Sep 12, 2026

    pythongh-155292: Skip updating unicodedata with mismatched interpreter (

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    8927af2
11. johnslavik

    added a commit that references this issue on Sep 14, 2026

    pythongh-155292: Skip updating unicodedata with mismatched interpreter (

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    a1d1e02
12. mcepl

    added 5 commits that reference this issue on Sep 18, 2026

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    6881e90

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    1d74d31

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    4d96c5b

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    2219f21

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    25199cf
13. pablogsal

    added 2 commits that reference this issue on Oct 1, 2026

    [3.10] gh-155292: Don't consider Unicode codepoint attributes outside…

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    d397a49

    [3.11] gh-155292: Don't consider Unicode codepoint attributes outside…

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    69f92eb
14. mcepl

    added 3 commits that reference this issue on Oct 1, 2026

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    cd46a17

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    593bc92

    [CVE-2026-17084] Don't consider Unicode codepoint attributes outside …

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    76e488b