Unicode Security Standard version 6.3 Released

From: <announcements_at_unicode.org>
Date: Fri, 15 Nov 2013 09:07:41 -0800

Version 6.3 of /UTS #39: Unicode Security Mechanisms
<http://www.unicode.org/reports/tr39/>/ has been released. Because the
Unicode Standard contains such a large number of characters for the
writing systems of the world, caution is necessary to avoid exposing
programs and systems to possible security attacks. This document
provides mechanisms for reducing the risk of problems, while the
associated /UTR #36: Unicode Security Considerations
<http://www.unicode.org/reports/tr36/>/ describes a variety of security
considerations for Unicode and guidelines for dealing with them.

UTS #39 includes a new Restriction Level (*Single Script*), and a number
of clarifications for confusable detection, restriction revels, and
optional detection. It also contains a new section describing how the
identifier data is generated. That identifier data has been expanded to
include certain characters from /UAX #31: Unicode Identifier and Pattern
Syntax <http://www.unicode.org/reports/tr31/>/, a few extra characters
allowed in IDNA2008 (Internationalized Domain Name Architecture,
http://tools.ietf.org/html/rfc5890), and certain characters based on
user feedback. The version numbering has also been changed to align with
versions of the Unicode Standard.

The associated UTR #36 has some smaller changes. There are a few
important corrections, and the addition of new sections discussing
security issues with transitivity and idempotence. There are also a few
related new FAQ entries on http://www.unicode.org/faq/security.html.


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Received on Fri Nov 15 2013 - 11:15:05 CST

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