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PERL5163DELTA(1pm)     Perl Programmers Reference Guide     PERL5163DELTA(1pm)




NAME

       perl5163delta - what is new for perl v5.16.3


DESCRIPTION

       This document describes differences between the 5.16.2 release and the
       5.16.3 release.

       If you are upgrading from an earlier release such as 5.16.1, first read
       perl5162delta, which describes differences between 5.16.1 and 5.16.2.


Core Enhancements

       No changes since 5.16.0.


Security

       This release contains one major and a number of minor security fixes.
       These latter are included mainly to allow the test suite to pass
       cleanly with the clang compiler's address sanitizer facility.

   CVE-2013-1667: memory exhaustion with arbitrary hash keys
       With a carefully crafted set of hash keys (for example arguments on a
       URL), it is possible to cause a hash to consume a large amount of
       memory and CPU, and thus possibly to achieve a Denial-of-Service.

       This problem has been fixed.

   wrap-around with IO on long strings
       Reading or writing strings greater than 2**31 bytes in size could
       segfault due to integer wraparound.

       This problem has been fixed.

   memory leak in Encode
       The UTF-8 encoding implementation in Encode.xs had a memory leak which
       has been fixed.


Incompatible Changes

       There are no changes intentionally incompatible with 5.16.0. If any
       exist, they are bugs and reports are welcome.


Deprecations

       There have been no deprecations since 5.16.0.


Modules and Pragmata

   Updated Modules and Pragmata
       o   Encode has been upgraded from version 2.44 to version 2.44_01.

       o   Module::CoreList has been upgraded from version 2.76 to version
           2.76_02.

       o   XS::APItest has been upgraded from version 0.38 to version 0.39.


Known Problems

       None.


Acknowledgements

       Perl 5.16.3 represents approximately 4 months of development since Perl
       5.16.2 and contains approximately 870 lines of changes across 39 files
       from 7 authors.

       Perl continues to flourish into its third decade thanks to a vibrant
       community of users and developers. The following people are known to
       have contributed the improvements that became Perl 5.16.3:

       Andy Dougherty, Chris 'BinGOs' Williams, Dave Rolsky, David Mitchell,
       Michael Schroeder, Ricardo Signes, Yves Orton.

       The list above is almost certainly incomplete as it is automatically
       generated from version control history. In particular, it does not
       include the names of the (very much appreciated) contributors who
       reported issues to the Perl bug tracker.

       For a more complete list of all of Perl's historical contributors,
       please see the AUTHORS file in the Perl source distribution.


Reporting Bugs

       If you find what you think is a bug, you might check the articles
       recently posted to the comp.lang.perl.misc newsgroup and the perl bug
       database at http://rt.perl.org/perlbug/ .  There may also be
       information at http://www.perl.org/ , the Perl Home Page.

       If you believe you have an unreported bug, please run the perlbug
       program included with your release.  Be sure to trim your bug down to a
       tiny but sufficient test case.  Your bug report, along with the output
       of "perl -V", will be sent off to perlbug@perl.org to be analysed by
       the Perl porting team.

       If the bug you are reporting has security implications, which make it
       inappropriate to send to a publicly archived mailing list, then please
       send it to perl5-security-report@perl.org. This points to a closed
       subscription unarchived mailing list, which includes all the core
       committers, who will be able to help assess the impact of issues,
       figure out a resolution, and help co-ordinate the release of patches to
       mitigate or fix the problem across all platforms on which Perl is
       supported. Please only use this address for security issues in the Perl
       core, not for modules independently distributed on CPAN.


SEE ALSO

       The Changes file for an explanation of how to view exhaustive details
       on what changed.

       The INSTALL file for how to build Perl.

       The README file for general stuff.

       The Artistic and Copying files for copyright information.



perl v5.24.0                      2016-02-05                PERL5163DELTA(1pm)

perl 5.24 - Generated Sun Nov 27 09:17:55 CST 2016
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