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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
 <ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <b14f539d-754a-9fdf-ee2e-a4ab2466a0cd@canonical.com>
Subject: [USN-5632-1] OAuthLib vulnerability

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==========================================================================
Ubuntu Security Notice USN-5632-1
September 22, 2022

python-oauthlib vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS

Summary:

OAuthLib could be made to crash if it received specially crafted network
traffic.

Software Description:
- python-oauthlib: generic, spec-compliant implementation of OAuth for Python3

Details:

Sebastian Chnelik discovered that OAuthLib incorrectly handled certain
redirect uris. A remote attacker could possibly use this issue to cause
OAuthLib to crash, resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
  python3-oauthlib                3.2.0-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5632-1
  CVE-2022-36087

Package Information:
  https://launchpad.net/ubuntu/+source/python-oauthlib/3.2.0-1ubuntu0.1

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