REDHAT-BUG-1854926
First published: Wed Jul 08 2020(Updated: )
A vulnerability was found in 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. References: <a href="https://bugs.python.org/issue41004">https://bugs.python.org/issue41004</a> <a href="https://github.com/python/cpython/pull/20956">https://github.com/python/cpython/pull/20956</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Python Babel Localedata | <=3.8.3 |
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Reference Links
- https://bugs.python.org/issue41004
- https://github.com/python/cpython/pull/20956
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854936
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854931
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854934
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854937
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854932
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854930
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854938
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854939
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854940
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854941
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854942
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1854943
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1857292
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1857294
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1857293
- https://access.redhat.com/errata/RHSA-2020:4285
- https://access.redhat.com/security/cve/cve-2020-14422
- https://access.redhat.com/errata/RHSA-2020:4299
- https://access.redhat.com/errata/RHSA-2020:4433
- https://access.redhat.com/errata/RHSA-2020:4641
- https://access.redhat.com/errata/RHSA-2020:5010
- https://bugzilla.redhat.com/show_bug.cgi?id=1854926
Frequently Asked Questions
What is the severity of REDHAT-BUG-1854926?
The severity of REDHAT-BUG-1854926 is classified as high due to its potential for causing a denial of service.
How do I fix REDHAT-BUG-1854926?
To fix REDHAT-BUG-1854926, upgrade Python to version 3.8.4 or later where the vulnerability has been resolved.
What impact does REDHAT-BUG-1854926 have on applications?
REDHAT-BUG-1854926 can negatively affect applications by causing degraded performance and possible denial of service when handling IPv4Interface and IPv6Interface classes.
Which versions of Python are affected by REDHAT-BUG-1854926?
REDHAT-BUG-1854926 affects Python versions up to and including 3.8.3.
Who can be affected by REDHAT-BUG-1854926?
Any application that uses the affected Python version for processing IP addresses may be vulnerable to REDHAT-BUG-1854926.
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