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PERL5244DELTA(1)                 Perl Programmers Reference Guide                PERL5244DELTA(1)

NAME
       perl5244delta - what is new for perl v5.24.4

DESCRIPTION
       This document describes differences between the 5.24.3 release and the 5.24.4 release.

       If you are upgrading from an earlier release such as 5.24.2, first read perl5243delta,
       which describes differences between 5.24.2 and 5.24.3.

Security
   [CVE-2018-6797] heap-buffer-overflow (WRITE of size 1) in S_regatom (regcomp.c)
       A crafted regular expression could cause a heap buffer write overflow, with control over
       the bytes written.  [GH #16185] <https://github.com/Perl/perl5/issues/16185>

   [CVE-2018-6798] Heap-buffer-overflow in Perl__byte_dump_string (utf8.c)
       Matching a crafted locale dependent regular expression could cause a heap buffer read
       overflow and potentially information disclosure.  [GH #16143]
       <https://github.com/Perl/perl5/issues/16143>

   [CVE-2018-6913] heap-buffer-overflow in S_pack_rec
       "pack()" could cause a heap buffer write overflow with a large item count.  [GH #16098]
       <https://github.com/Perl/perl5/issues/16098>

   Assertion failure in Perl__core_swash_init (utf8.c)
       Control characters in a supposed Unicode property name could cause perl to crash.  This
       has been fixed.  [perl #132055] <https://rt.perl.org/Public/Bug/Display.html?id=132055>
       [perl #132553] <https://rt.perl.org/Public/Bug/Display.html?id=132553> [perl #132658]
       <https://rt.perl.org/Public/Bug/Display.html?id=132658>

Incompatible Changes
       There are no changes intentionally incompatible with 5.24.3.  If any exist, they are bugs,
       and we request that you submit a report.  See "Reporting Bugs" below.

Modules and Pragmata
   Updated Modules and Pragmata
       o   Module::CoreList has been upgraded from version 5.20170922_24 to 5.20180414_24.

Selected Bug Fixes
       o   The "readpipe()" built-in function now checks at compile time that it has only one
           parameter expression, and puts it in scalar context, thus ensuring that it doesn't
           corrupt the stack at runtime.  [GH #2793] <https://github.com/Perl/perl5/issues/2793>

Acknowledgements
       Perl 5.24.4 represents approximately 7 months of development since Perl 5.24.3 and
       contains approximately 2,400 lines of changes across 49 files from 12 authors.

       Excluding auto-generated files, documentation and release tools, there were approximately
       1,300 lines of changes to 12 .pm, .t, .c and .h files.

       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 5.24.4:

       Abigail, Chris 'BinGOs' Williams, John SJ Anderson, Karen Etheridge, Karl Williamson,
       Renee Baecker, Sawyer X, Steve Hay, Todd Rinaldo, Tony Cook, Yves Orton, Zefram.

       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.

       Many of the changes included in this version originated in the CPAN modules included in
       Perl's core.  We're grateful to the entire CPAN community for helping Perl to flourish.

       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 <https://rt.perl.org/> .  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 AT 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 see "SECURITY VULNERABILITY CONTACT INFORMATION"
       in perlsec for details of how to report the issue.

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 v5.34.0                                2023-11-23                           PERL5244DELTA(1)

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