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| =encoding utf8 | |
| =head1 NAME | |
| perl5163delta - what is new for perl v5.16.3 | |
| =head1 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 | |
| L<perl5162delta>, which describes differences between 5.16.1 and | |
| 5.16.2. | |
| =head1 Core Enhancements | |
| No changes since 5.16.0. | |
| =head1 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. | |
| =head2 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. | |
| =head2 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. | |
| =head2 memory leak in Encode | |
| The UTF-8 encoding implementation in Encode.xs had a memory leak which has been | |
| fixed. | |
| =head1 Incompatible Changes | |
| There are no changes intentionally incompatible with 5.16.0. If any | |
| exist, they are bugs and reports are welcome. | |
| =head1 Deprecations | |
| There have been no deprecations since 5.16.0. | |
| =head1 Modules and Pragmata | |
| =head2 Updated Modules and Pragmata | |
| =over 4 | |
| =item * | |
| L<Encode> has been upgraded from version 2.44 to version 2.44_01. | |
| =item * | |
| L<Module::CoreList> has been upgraded from version 2.76 to version 2.76_02. | |
| =item * | |
| L<XS::APItest> has been upgraded from version 0.38 to version 0.39. | |
| =back | |
| =head1 Known Problems | |
| None. | |
| =head1 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 F<AUTHORS> file in the Perl source distribution. | |
| =head1 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 L<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 C<perl -V>, will be sent off to [email protected] 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 [email protected]. 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. | |
| =head1 SEE ALSO | |
| The F<Changes> file for an explanation of how to view exhaustive details | |
| on what changed. | |
| The F<INSTALL> file for how to build Perl. | |
| The F<README> file for general stuff. | |
| The F<Artistic> and F<Copying> files for copyright information. | |
| =cut | |