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Gentoo Linux Security Advisory GLSA 202305-11
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https://security.gentoo.org/
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Severity: Normal
Title: Tor: Multiple Vulnerabilities
Date: May 03, 2023
Bugs: #808681, #852821, #890618
ID: 202305-11

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Synopsis
========

Multiple vulnerabilities have been found in Tor, the worst of which
could result in denial of service.

Background
==========

Tor is an implementation of second generation Onion Routing, a connection-oriented anonymizing communication service.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-vpn/tor < 0.4.7.13 >= 0.4.7.13

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

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

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Tor users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.7.13"

References
==========

[ 1 ] CVE-2021-38385
https://nvd.nist.gov/vuln/detail/CVE-2021-38385
[ 2 ] CVE-2022-33903
https://nvd.nist.gov/vuln/detail/CVE-2022-33903
[ 3 ] CVE-2023-23589
https://nvd.nist.gov/vuln/detail/CVE-2023-23589
[ 4 ] TROVE-2021-007
[ 5 ] TROVE-2022-001
[ 6 ] TROVE-2022-002

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

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

https://security.gentoo.org/glsa/202305-11

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 2023 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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