[ubuntu/bionic-security] python3.8 3.8.0-3ubuntu1~18.04.2 (Accepted)
Ian Constantin
ian.constantin at canonical.com
Wed Dec 15 21:19:00 UTC 2021
python3.8 (3.8.0-3ubuntu1~18.04.2) bionic-security; urgency=medium
* SECURITY UPDATE: Regular Expression Denial of Service
- debian/patches/CVE-2020-8492.patch: updates a regular expression in the
urllib.request.AbsatrctBasicAuthHandler class which allows for
catastrophic backtracking and could result in a Denial of Service
condition.
- CVE-2020-8492
* SECURITY UPDATE: Regular Expression Denial of Service
- debian/patches/CVE-2021-3733.patch: updates a regular expression in the
urllib.request.AbstractBasicAuthHandler class which has a quadratic
worst-case time complexity and could be abused by a malicious HTTP
server to cause a Denial of Service condition for a client.
- CVE-2021-3733
* SECURITY UPDATE: Denial of Service
- debian/patches/CVE-2021-3737.patch: addresses the potential for the
urllib http client to enter into an infinite loop and hang on a 100
Continue response from a malicious server.
- debian/patches/CVE-2021-3737_test-fix.patch: improves the regression
test in Lib/test/test_httplib.py
- CVE-2021-3737
Date: 2021-12-09 19:21:13.217128+00:00
Changed-By: Ian Constantin <ian.constantin at canonical.com>
https://launchpad.net/ubuntu/+source/python3.8/3.8.0-3ubuntu1~18.04.2
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