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re: limit the maximum capturing group to 1,073,741,823, reduce sizeof(match_context). #91412

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BPO 47256
Nosy @ezio-melotti, @serhiy-storchaka, @animalize
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  • bpo-47256: re module, limit the maximum capturing group to 1,073,741,823, increasing the depth of backtracking. #32411
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
    closed_at = None
    created_at = <Date 2022-04-08.06:54:08.832>
    labels = ['3.11', 'library', 'performance']
    title = 're: limit the maximum capturing group to 1,073,741,823, reduce sizeof(match_context).'
    updated_at = <Date 2022-04-08.07:02:49.829>
    user = 'https://github.com/animalize'

    bugs.python.org fields:

    activity = <Date 2022-04-08.07:02:49.829>
    actor = 'malin'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2022-04-08.06:54:08.832>
    creator = 'malin'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 47256
    keywords = ['patch']
    message_count = 1.0
    messages = ['416960']
    nosy_count = 4.0
    nosy_names = ['ezio.melotti', 'mrabarnett', 'serhiy.storchaka', 'malin']
    pr_nums = ['32411']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'resource usage'
    url = 'https://bugs.python.org/issue47256'
    versions = ['Python 3.11']

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      3.11only security fixesperformancePerformance or resource usagestdlibPython modules in the Lib dirtopic-regex

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