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  • #11688
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Issue created Jun 26, 2020 by Arun@arunsraga5 of 5 checklist items completed5/5 checklist items

python3: Hash collisions in IPv4Interface and IPv6Interface (CVE-2020-14422)

Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a dictionary containing IPv4Interface or IPv6Interface objects, and this attacker can cause many dictionary entries to be created.

Tool used white source scan 1

2

References:

  • https://bugs.python.org/issue41004

Affected branches:

  • master
  • v3.12
  • v3.11
  • v3.10
  • v3.9
Edited Dec 10, 2020 by Leo
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