{
    "content": [
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            "type": "text",
            "text": "# perl5143delta (man)\n\n## NAME\n\nperl5143delta - what is new for perl v5.14.3\n\n## DESCRIPTION\n\nThis document describes differences between the 5.14.2 release and the 5.14.3 release.\n\n## Sections\n\n- **NAME**\n- **DESCRIPTION**\n- **Core Enhancements**\n- **Security** (2 subsections)\n- **Incompatible Changes**\n- **Deprecations**\n- **Modules and Pragmata** (3 subsections)\n- **Documentation** (2 subsections)\n- **Configuration and Compilation**\n- **Platform Support** (3 subsections)\n- **Acknowledgements**\n- **Reporting Bugs**\n- **SEE ALSO**\n\nUse structuredContent.sections for detailed options, examples, and full documentation.\n"
        }
    ],
    "structuredContent": {
        "command": "perl5143delta",
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        "mode": "man",
        "summary": "perl5143delta - what is new for perl v5.14.3",
        "synopsis": null,
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        "section_outline": [
            {
                "name": "NAME",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "DESCRIPTION",
                "lines": 5,
                "subsections": []
            },
            {
                "name": "Core Enhancements",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "Security",
                "lines": 1,
                "subsections": [
                    {
                        "name": "\"Digest\" unsafe use of eval (CVE-2011-3597)",
                        "lines": 8
                    },
                    {
                        "name": "Heap buffer overrun in 'x' string repeat operator (CVE-2012-5195)",
                        "lines": 7
                    }
                ]
            },
            {
                "name": "Incompatible Changes",
                "lines": 3,
                "subsections": []
            },
            {
                "name": "Deprecations",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "Modules and Pragmata",
                "lines": 1,
                "subsections": [
                    {
                        "name": "New Modules and Pragmata",
                        "lines": 2
                    },
                    {
                        "name": "Updated Modules and Pragmata",
                        "lines": 15
                    },
                    {
                        "name": "Removed Modules and Pragmata",
                        "lines": 2
                    }
                ]
            },
            {
                "name": "Documentation",
                "lines": 1,
                "subsections": [
                    {
                        "name": "New Documentation",
                        "lines": 2
                    },
                    {
                        "name": "Changes to Existing Documentation",
                        "lines": 4
                    }
                ]
            },
            {
                "name": "Configuration and Compilation",
                "lines": 5,
                "subsections": []
            },
            {
                "name": "Platform Support",
                "lines": 1,
                "subsections": [
                    {
                        "name": "New Platforms",
                        "lines": 2
                    },
                    {
                        "name": "Discontinued Platforms",
                        "lines": 2
                    },
                    {
                        "name": "Platform-Specific Notes",
                        "lines": 52
                    }
                ]
            },
            {
                "name": "Acknowledgements",
                "lines": 22,
                "subsections": []
            },
            {
                "name": "Reporting Bugs",
                "lines": 17,
                "subsections": []
            },
            {
                "name": "SEE ALSO",
                "lines": 9,
                "subsections": []
            }
        ],
        "sections": {
            "NAME": {
                "content": "perl5143delta - what is new for perl v5.14.3\n",
                "subsections": []
            },
            "DESCRIPTION": {
                "content": "This document describes differences between the 5.14.2 release and the 5.14.3 release.\n\nIf you are upgrading from an earlier release such as 5.12.0, first read perl5140delta, which\ndescribes differences between 5.12.0 and 5.14.0.\n",
                "subsections": []
            },
            "Core Enhancements": {
                "content": "No changes since 5.14.0.\n",
                "subsections": []
            },
            "Security": {
                "content": "",
                "subsections": [
                    {
                        "name": "\"Digest\" unsafe use of eval (CVE-2011-3597)",
                        "content": "The \"Digest->new()\" function did not properly sanitize input before using it in an eval()\ncall, which could lead to the injection of arbitrary Perl code.\n\nIn order to exploit this flaw, the attacker would need to be able to set the algorithm name\nused, or be able to execute arbitrary Perl code already.\n\nThis problem has been fixed.\n"
                    },
                    {
                        "name": "Heap buffer overrun in 'x' string repeat operator (CVE-2012-5195)",
                        "content": "Poorly written perl code that allows an attacker to specify the count to perl's 'x' string\nrepeat operator can already cause a memory exhaustion denial-of-service attack. A flaw in\nversions of perl before 5.15.5 can escalate that into a heap buffer overrun; coupled with\nversions of glibc before 2.16, it possibly allows the execution of arbitrary code.\n\nThis problem has been fixed.\n"
                    }
                ]
            },
            "Incompatible Changes": {
                "content": "There are no changes intentionally incompatible with 5.14.0. If any exist, they are bugs and\nreports are welcome.\n",
                "subsections": []
            },
            "Deprecations": {
                "content": "There have been no deprecations since 5.14.0.\n",
                "subsections": []
            },
            "Modules and Pragmata": {
                "content": "",
                "subsections": [
                    {
                        "name": "New Modules and Pragmata",
                        "content": "None\n"
                    },
                    {
                        "name": "Updated Modules and Pragmata",
                        "content": "•   PerlIO::scalar  was  updated  to  fix  a bug in which opening a filehandle to a glob copy\ncaused assertion failures (under debugging) or hangs or other erratic  behaviour  without\ndebugging.\n\n•   ODBMFile and NDBMFile were updated to allow building on GNU/Hurd.\n\n•   IPC::Open3  has  been  updated  to  fix a regression introduced in perl 5.12, which broke\n\"IPC::Open3::open3($in, $out, $err, '-')\".  [perl #95748]\n\n•   Digest has been upgraded from version 1.16 to 1.1601.\n\nSee \"Security\".\n\n•   Module::CoreList has been updated to version 2.4904 to add data for this release.\n"
                    },
                    {
                        "name": "Removed Modules and Pragmata",
                        "content": "None\n"
                    }
                ]
            },
            "Documentation": {
                "content": "",
                "subsections": [
                    {
                        "name": "New Documentation",
                        "content": "None\n"
                    },
                    {
                        "name": "Changes to Existing Documentation",
                        "content": "perlcheat\n\n•   perlcheat was updated to 5.14.\n"
                    }
                ]
            },
            "Configuration and Compilation": {
                "content": "•   h2ph was updated to search correctly gcc include directories on platforms such as  Debian\nwith multi-architecture support.\n\n•   In Configure, the test for procselfexe was refactored into a loop.\n",
                "subsections": []
            },
            "Platform Support": {
                "content": "",
                "subsections": [
                    {
                        "name": "New Platforms",
                        "content": "None\n"
                    },
                    {
                        "name": "Discontinued Platforms",
                        "content": "None\n"
                    },
                    {
                        "name": "Platform-Specific Notes",
                        "content": "FreeBSD\nThe FreeBSD hints file was corrected to be compatible with FreeBSD 10.0.\n\nSolaris and NetBSD\nConfigure was updated for \"procselfexe\" support on Solaris and NetBSD.\n\nHP-UX\nREADME.hpux was updated to note the existence of a broken header in HP-UX 11.00.\n\nLinux\nlibutil  is no longer used when compiling on Linux platforms, which avoids warnings being\nemitted.\n\nThe system gcc (rather than any other gcc which might be in the compiling user's path) is\nnow used when searching for libraries such as \"-lm\".\n\nMac OS X\nThe locale tests were updated to reflect the behaviour of locales in Mountain Lion.\n\nGNU/Hurd\nVarious build and test fixes were included for GNU/Hurd.\n\nLFS support was enabled in GNU/Hurd.\n\nNetBSD\nThe NetBSD hints file was corrected to be compatible with NetBSD 6.*\n\nBug Fixes\n•   A regression has been fixed that was introduced  in  5.14,  in  \"/i\"  regular  expression\nmatching, in which a match improperly fails if the pattern is in UTF-8, the target string\nis  not, and a Latin-1 character precedes a character in the string that should match the\npattern.  [perl #101710]\n\n•   In case-insensitive regular expression pattern  matching,  no  longer  on  UTF-8  encoded\nstrings  does  the  scan for the start of match only look at the first possible position.\nThis caused matches such as \"\"f\\x{FB00}\" =~ /ff/i\" to fail.\n\n•   The sitecustomize support was made relocatableinc aware, so that  -Dusesitecustomize  and\n-Duserelocatableinc may be used together.\n\n•   The  smartmatch  operator (\"~~\") was changed so that the right-hand side takes precedence\nduring \"Any ~~ Object\" operations.\n\n•   A bug has been fixed in the tainting support, in which an index() operation on a  tainted\nconstant would cause all other constants to become tainted.  [perl #64804]\n\n•   A  regression  has  been  fixed that was introduced in perl 5.12, whereby tainting errors\nwere not correctly propagated through die().  [perl #111654]\n\n•   A regression has been fixed that was introduced in perl 5.14, in  which  \"/[[:lower:]]/i\"\nand \"/[[:upper:]]/i\" no longer matched the opposite case.  [perl #101970]\n"
                    }
                ]
            },
            "Acknowledgements": {
                "content": "Perl  5.14.3 represents approximately 12 months of development since Perl 5.14.2 and contains\napproximately 2,300 lines of changes across 64 files from 22 authors.\n\nPerl continues to flourish into its third decade thanks to a vibrant community of  users  and\ndevelopers.  The  following people are known to have contributed the improvements that became\nPerl 5.14.3:\n\nAbigail, Andy Dougherty, Carl Hayter, Chris 'BinGOs' Williams, Dave Rolsky,  David  Mitchell,\nDominic  Hargreaves,  Father  Chrysostomos, Florian Ragwitz, H.Merijn Brand, Jilles Tjoelker,\nKarl Williamson, Leon Timmermans, Michael G Schwern, Nicholas Clark, Niko Tyni, Pino Toscano,\nRicardo Signes, Salvador Fandiño, Samuel Thibault, Steve Hay, Tony Cook.\n\nThe list above is almost certainly incomplete as it is automatically generated  from  version\ncontrol  history. In particular, it does not include the names of the (very much appreciated)\ncontributors who reported issues to the Perl bug tracker.\n\nMany of the changes included in this version originated  in  the  CPAN  modules  included  in\nPerl's core. We're grateful to the entire CPAN community for helping Perl to flourish.\n\nFor  a  more  complete  list of all of Perl's historical contributors, please see the AUTHORS\nfile in the Perl source distribution.\n",
                "subsections": []
            },
            "Reporting Bugs": {
                "content": "If you find what you think is a bug, you might check the  articles  recently  posted  to  the\ncomp.lang.perl.misc  newsgroup  and  the  perl  bug database at http://rt.perl.org/perlbug/ .\nThere may also be information at http://www.perl.org/ , the Perl Home Page.\n\nIf you believe you have an unreported bug, please run the perlbug program included with  your\nrelease.  Be sure to trim your bug down to a tiny but sufficient test case.  Your bug report,\nalong  with  the  output of \"perl -V\", will be sent off to perlbug@perl.org to be analysed by\nthe Perl porting team.\n\nIf the bug you are reporting has security implications, which make it inappropriate  to  send\nto  a  publicly archived mailing list, then please send it to perl5-security-report@perl.org.\nThis points to a closed subscription unarchived mailing list, which  includes  all  the  core\ncommitters,  who  be  able  to help assess the impact of issues, figure out a resolution, and\nhelp co-ordinate the release of patches to mitigate or fix the problem across  all  platforms\non  which  Perl  is  supported.  Please only use this address for security issues in the Perl\ncore, not for modules independently distributed on CPAN.\n",
                "subsections": []
            },
            "SEE ALSO": {
                "content": "The Changes file for an explanation of how to view exhaustive details on what changed.\n\nThe INSTALL file for how to build Perl.\n\nThe README file for general stuff.\n\nThe Artistic and Copying files for copyright information.\n\nperl v5.38.2                                 2026-06-12                             PERL5143DELTA(1)",
                "subsections": []
            }
        }
    }
}