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¶
- •
- Encode has been upgraded from version 2.44 to version 2.44_01.
- •
- Module::CoreList has been upgraded from version 2.76 to version
2.76_02.
- •
- 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.