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Integer overflow in _bsddb leads to heap corruption #70131

@NedWilliamson

Description

@NedWilliamson
BPO 25943
Nosy @malemburg, @serhiy-storchaka, @ZackerySpytz
PRs
  • [2.7] bpo-25943: Fix potential heap corruption in bsddb's _db_associateCallback() #8337
  • [2.7] bpo-25943: Check for integer overflow in bsddb's DB_join() #8392
  • Files
  • bsddbpoc.py
  • 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 = <Date 2018-07-21.13:41:04.117>
    created_at = <Date 2015-12-25.03:53:35.659>
    labels = ['extension-modules', 'type-crash']
    title = 'Integer overflow in _bsddb leads to heap corruption'
    updated_at = <Date 2018-07-22.16:53:59.119>
    user = 'https://bugs.python.org/NedWilliamson'

    bugs.python.org fields:

    activity = <Date 2018-07-22.16:53:59.119>
    actor = 'serhiy.storchaka'
    assignee = 'none'
    closed = True
    closed_date = <Date 2018-07-21.13:41:04.117>
    closer = 'serhiy.storchaka'
    components = ['Extension Modules']
    creation = <Date 2015-12-25.03:53:35.659>
    creator = 'Ned Williamson'
    dependencies = []
    files = ['41408']
    hgrepos = []
    issue_num = 25943
    keywords = ['patch']
    message_count = 4.0
    messages = ['256974', '322087', '322143', '322154']
    nosy_count = 4.0
    nosy_names = ['lemburg', 'serhiy.storchaka', 'Ned Williamson', 'ZackerySpytz']
    pr_nums = ['8337', '8392']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue25943'
    versions = ['Python 2.7']

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      extension-modulesC modules in the Modules dirtype-crashA hard crash of the interpreter, possibly with a core dump
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