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Gentoo Linux Security Advisory 202107-36

Gentoo Linux Security Advisory 202107-36
Posted Jul 15, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202107-36 - Multiple vulnerabilities have been found in urllib3, the worst of which could result in a Denial of Service condition. Versions less than 1.26.5 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2021-28363, CVE-2021-33503
SHA-256 | d6f9dff903ace617c49b44ad13ca943dc52549bd0c464c31b70d60646cb1f840

Gentoo Linux Security Advisory 202107-36

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202107-36
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https://security.gentoo.org/
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Severity: Normal
Title: urllib3: Multiple vulnerabilities
Date: July 15, 2021
Bugs: #776421, #799413
ID: 202107-36

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Synopsis
========

Multiple vulnerabilities have been found in urllib3, the worst of which
could result in a Denial of Service condition.

Background
==========

The urllib3 library is an HTTP library with thread-safe connection
pooling, file post, and more.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-python/urllib3 < 1.26.5 >= 1.26.5

Description
===========

Multiple vulnerabilities have been discovered in urllib3. Please review
the CVE identifiers referenced below for details.

Impact
======

An attacker could cause a possible Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All urllib3 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/urllib3-1.26.5"

References
==========

[ 1 ] CVE-2021-28363
https://nvd.nist.gov/vuln/detail/CVE-2021-28363
[ 2 ] CVE-2021-33503
https://nvd.nist.gov/vuln/detail/CVE-2021-33503

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202107-36

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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