Security Advisories (17)
Perl before 5.30.3 has an integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection.
- https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3
- https://github.com/perl/perl5/commit/3295b48defa0f8570114877b063fe546dd348b3c
- https://github.com/perl/perl5/commit/0a320d753fe7fca03df259a4dfd8e641e51edaa8
- https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
- https://security.netapp.com/advisory/ntap-20200611-0001/
- https://security.gentoo.org/glsa/202006-03
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://perldoc.perl.org/perl5283delta
- https://perldoc.perl.org/perl5303delta
- https://perldoc.perl.org/perl5320delta
Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow.
- https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3
- https://github.com/perl/perl5/commit/897d1f7fd515b828e4b198d8b8bef76c6faf03ed
- https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
- https://security.netapp.com/advisory/ntap-20200611-0001/
- https://security.gentoo.org/glsa/202006-03
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://perldoc.perl.org/perl5283delta
- https://perldoc.perl.org/perl5303delta
- https://perldoc.perl.org/perl5320delta
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.
- https://www.debian.org/security/2018/dsa-4347
- https://usn.ubuntu.com/3834-2/
- https://rt.perl.org/Ticket/Display.html?id=133192
- https://metacpan.org/changes/release/SHAY/perl-5.26.3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
- https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62
- https://bugzilla.redhat.com/show_bug.cgi?id=1646738
- http://www.securitytracker.com/id/1042181
- https://usn.ubuntu.com/3834-1/
- https://access.redhat.com/errata/RHSA-2019:0010
- https://access.redhat.com/errata/RHSA-2019:0001
- https://security.netapp.com/advisory/ntap-20190221-0003/
- https://support.apple.com/kb/HT209600
- https://seclists.org/bugtraq/2019/Mar/42
- http://seclists.org/fulldisclosure/2019/Mar/49
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpujul2020.html
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
- https://www.debian.org/security/2018/dsa-4172
- https://rt.perl.org/Public/Bug/Display.html?id=132227
- http://www.securitytracker.com/id/1040681
- https://access.redhat.com/errata/RHSA-2018:1192
- https://usn.ubuntu.com/3625-1/
- http://www.securitytracker.com/id/1042004
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://perldoc.perl.org/perl5244delta
- https://perldoc.perl.org/perl5262delta
Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.
- https://www.debian.org/security/2018/dsa-4172
- https://rt.perl.org/Public/Bug/Display.html?id=131844
- https://lists.debian.org/debian-lts-announce/2018/04/msg00009.html
- http://www.securitytracker.com/id/1040681
- https://usn.ubuntu.com/3625-2/
- https://usn.ubuntu.com/3625-1/
- http://www.securityfocus.com/bid/103953
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://perldoc.perl.org/perl5244delta
- https://perldoc.perl.org/perl5262delta
- https://github.com/Perl/perl5/issues/16098
Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\\N{}' escape and the case-insensitive modifier.
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
- https://perl5.git.perl.org/perl.git/commitdiff/96c83ed78aeea1a0496dd2b2d935869a822dc8a5
- https://bugzilla.redhat.com/show_bug.cgi?id=1492091
- http://www.securityfocus.com/bid/100860
- https://rt.perl.org/Public/Bug/Display.html?id=131582
- http://www.debian.org/security/2017/dsa-3982
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://github.com/Perl/perl5/issues/16021
- https://perldoc.perl.org/perl5243delta
- https://perldoc.perl.org/perl5261delta
- https://perldoc.perl.org/perl5280delta
In Perl before 5.38.2, S_parse_uniprop_string in regcomp.c can write to unallocated space because a property name associated with a \p{...} regular expression construct is mishandled. The earliest affected version is 5.30.0.
Perl threads have a working directory race condition where file operations may target unintended paths. If a directory handle is open at thread creation, the process-wide current working directory is temporarily changed in order to clone that handle for the new thread, which is visible from any third (or more) thread already running. This may lead to unintended operations such as loading code or accessing files from unexpected locations, which a local attacker may be able to exploit. The bug was introduced in commit 11a11ecf4bea72b17d250cfb43c897be1341861e and released in Perl version 5.13.6
- https://github.com/Perl/perl5/commit/918bfff86ca8d6d4e4ec5b30994451e0bd74aba9.patch
- https://www.openwall.com/lists/oss-security/2025/05/22/2
- https://github.com/Perl/perl5/issues/23010
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1098226
- https://github.com/Perl/perl5/issues/10387
- https://perldoc.perl.org/5.14.0/perl5136delta#Directory-handles-not-copied-to-threads
- https://github.com/Perl/perl5/commit/11a11ecf4bea72b17d250cfb43c897be1341861e
(1) cpan/Archive-Tar/bin/ptar, (2) cpan/Archive-Tar/bin/ptardiff, (3) cpan/Archive-Tar/bin/ptargrep, (4) cpan/CPAN/scripts/cpan, (5) cpan/Digest-SHA/shasum, (6) cpan/Encode/bin/enc2xs, (7) cpan/Encode/bin/encguess, (8) cpan/Encode/bin/piconv, (9) cpan/Encode/bin/ucmlint, (10) cpan/Encode/bin/unidump, (11) cpan/ExtUtils-MakeMaker/bin/instmodsh, (12) cpan/IO-Compress/bin/zipdetails, (13) cpan/JSON-PP/bin/json_pp, (14) cpan/Test-Harness/bin/prove, (15) dist/ExtUtils-ParseXS/lib/ExtUtils/xsubpp, (16) dist/Module-CoreList/corelist, (17) ext/Pod-Html/bin/pod2html, (18) utils/c2ph.PL, (19) utils/h2ph.PL, (20) utils/h2xs.PL, (21) utils/libnetcfg.PL, (22) utils/perlbug.PL, (23) utils/perldoc.PL, (24) utils/perlivp.PL, and (25) utils/splain.PL in Perl 5.x before 5.22.3-RC2 and 5.24 before 5.24.1-RC2 do not properly remove . (period) characters from the end of the includes directory array, which might allow local users to gain privileges via a Trojan horse module under the current working directory.
- https://perldoc.perl.org/5.24.1/perldelta
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00002.html
- http://perl5.git.perl.org/perl.git/commit/cee96d52c39b1e7b36e1c62d38bcd8d86e9a41ab
- http://www.debian.org/security/2016/dsa-3628
- http://www.nntp.perl.org/group/perl.perl5.porters/2016/07/msg238271.html
- http://www.securityfocus.com/bid/92136
- http://www.securitytracker.com/id/1036440
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://lists.apache.org/thread.html/7f6a16bc0fd0fd5e67c7fd95bd655069a2ac7d1f88e42d3c853e601c%40%3Cannounce.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FBQOCV3GBAN2EYZUM3CFDJ4ECA3GZOK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOFRQWJRP2NQJEYEWOMECVW3HAMD5SYN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZBNQH3DMI7HDELJAZ4TFJJANHXOEDWH/
- https://rt.perl.org/Public/Bug/Display.html?id=127834
- https://security.gentoo.org/glsa/201701-75
- https://security.gentoo.org/glsa/201812-07
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00002.html
- http://perl5.git.perl.org/perl.git/commit/cee96d52c39b1e7b36e1c62d38bcd8d86e9a41ab
- http://www.debian.org/security/2016/dsa-3628
- http://www.nntp.perl.org/group/perl.perl5.porters/2016/07/msg238271.html
- http://www.securityfocus.com/bid/92136
- http://www.securitytracker.com/id/1036440
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://lists.apache.org/thread.html/7f6a16bc0fd0fd5e67c7fd95bd655069a2ac7d1f88e42d3c853e601c%40%3Cannounce.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2018/11/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FBQOCV3GBAN2EYZUM3CFDJ4ECA3GZOK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOFRQWJRP2NQJEYEWOMECVW3HAMD5SYN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZBNQH3DMI7HDELJAZ4TFJJANHXOEDWH/
- https://rt.perl.org/Public/Bug/Display.html?id=127834
- https://security.gentoo.org/glsa/201701-75
- https://security.gentoo.org/glsa/201812-07
regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.
- https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3
- https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
- https://github.com/Perl/perl5/issues/16947
- https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a
- https://github.com/Perl/perl5/issues/17743
- https://security.netapp.com/advisory/ntap-20200611-0001/
- https://security.gentoo.org/glsa/202006-03
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IN3TTBO5KSGWE5IRIKDJ5JSQRH7ANNXE/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00044.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://perldoc.perl.org/perl5283delta
- https://perldoc.perl.org/perl5303delta
- https://perldoc.perl.org/perl5320delta
An issue was discovered in Perl 5.22 through 5.26. Matching a crafted locale dependent regular expression can cause a heap-based buffer over-read and potentially information disclosure.
- https://www.debian.org/security/2018/dsa-4172
- https://rt.perl.org/Public/Bug/Display.html?id=132063
- http://www.securitytracker.com/id/1040681
- https://access.redhat.com/errata/RHSA-2018:1192
- https://usn.ubuntu.com/3625-1/
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://perldoc.perl.org/perl5244delta
- https://perldoc.perl.org/perl5262delta
- https://github.com/Perl/perl5/issues/16143
Perl before 5.26.3 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
- https://www.debian.org/security/2018/dsa-4347
- https://rt.perl.org/Ticket/Display.html?id=131649
- https://metacpan.org/changes/release/SHAY/perl-5.26.3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
- https://github.com/Perl/perl5/commit/19a498a461d7c81ae3507c450953d1148efecf4f
- https://bugzilla.redhat.com/show_bug.cgi?id=1646751
- http://www.securitytracker.com/id/1042181
- https://usn.ubuntu.com/3834-1/
- http://www.securityfocus.com/bid/106145
- https://access.redhat.com/errata/RHSA-2019:0010
- https://access.redhat.com/errata/RHSA-2019:0001
- https://security.netapp.com/advisory/ntap-20190221-0003/
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpujul2020.html
Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
- https://www.debian.org/security/2018/dsa-4347
- https://rt.perl.org/Public/Bug/Display.html?id=133423
- https://metacpan.org/changes/release/SHAY/perl-5.28.1
- https://metacpan.org/changes/release/SHAY/perl-5.26.3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
- https://bugzilla.redhat.com/show_bug.cgi?id=1646734
- http://www.securitytracker.com/id/1042181
- https://usn.ubuntu.com/3834-1/
- http://www.securityfocus.com/bid/106179
- https://access.redhat.com/errata/RHSA-2019:0010
- https://access.redhat.com/errata/RHSA-2019:0001
- https://security.netapp.com/advisory/ntap-20190221-0003/
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://perldoc.perl.org/perl5281delta
- https://perldoc.perl.org/perl5263delta
Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.
- https://www.debian.org/security/2018/dsa-4347
- https://usn.ubuntu.com/3834-2/
- https://rt.perl.org/Ticket/Display.html?id=133204
- https://metacpan.org/changes/release/SHAY/perl-5.28.1
- https://metacpan.org/changes/release/SHAY/perl-5.26.3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/
- https://lists.debian.org/debian-lts-announce/2018/11/msg00039.html
- https://github.com/Perl/perl5/commit/34716e2a6ee2af96078d62b065b7785c001194be
- https://bugzilla.redhat.com/show_bug.cgi?id=1646730
- http://www.securitytracker.com/id/1042181
- https://usn.ubuntu.com/3834-1/
- http://www.securityfocus.com/bid/106145
- https://access.redhat.com/errata/RHSA-2019:0010
- https://access.redhat.com/errata/RHSA-2019:0001
- https://access.redhat.com/errata/RHSA-2019:0109
- https://security.netapp.com/advisory/ntap-20190221-0003/
- https://support.apple.com/kb/HT209600
- https://seclists.org/bugtraq/2019/Mar/42
- http://seclists.org/fulldisclosure/2019/Mar/49
- https://kc.mcafee.com/corporate/index?page=content&id=SB10278
- https://access.redhat.com/errata/RHBA-2019:0327
- https://access.redhat.com/errata/RHSA-2019:1790
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://access.redhat.com/errata/RHSA-2019:1942
- https://access.redhat.com/errata/RHSA-2019:2400
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://perldoc.perl.org/perl5281delta
- https://perldoc.perl.org/perl5263delta
Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\\N{U+...}' escape.
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
- https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1
- https://bugzilla.redhat.com/show_bug.cgi?id=1492093
- http://www.securityfocus.com/bid/100852
- http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch
- https://rt.perl.org/Public/Bug/Display.html?id=131598
- http://www.debian.org/security/2017/dsa-3982
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://github.com/Perl/perl5/issues/16025
- https://perldoc.perl.org/perl5243delta
- https://perldoc.perl.org/perl5280delta
- https://perldoc.perl.org/perl5261delta
Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.
- https://rt.perl.org/Public/Bug/Display.html?id=131665
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
- https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
- http://www.securityfocus.com/bid/101051
- https://security.netapp.com/advisory/ntap-20180426-0001/
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://perldoc.perl.org/perl5243delta
- https://github.com/Perl/perl5/issues/16051
- https://perldoc.perl.org/perl5261delta
- https://perldoc.perl.org/perl5280delta
Perl for Windows relies on the system path environment variable to find the shell (cmd.exe). When running an executable which uses Windows Perl interpreter, Perl attempts to find and execute cmd.exe within the operating system. However, due to path search order issues, Perl initially looks for cmd.exe in the current working directory. An attacker with limited privileges can exploit this behavior by placing cmd.exe in locations with weak permissions, such as C:\ProgramData. By doing so, when an administrator attempts to use this executable from these compromised locations, arbitrary code can be executed.
NAME
CPAN::Meta::Feature - an optional feature provided by a CPAN distribution
VERSION
version 2.150005
DESCRIPTION
A CPAN::Meta::Feature object describes an optional feature offered by a CPAN distribution and specified in the distribution's META.json (or META.yml) file.
For the most part, this class will only be used when operating on the result of the feature or features methods on a CPAN::Meta object.
METHODS
new
my $feature = CPAN::Meta::Feature->new( $identifier => \%spec );
This returns a new Feature object. The %spec argument to the constructor should be the same as the value of the optional_feature entry in the distmeta. It must contain entries for description and prereqs.
identifier
This method returns the feature's identifier.
description
This method returns the feature's long description.
prereqs
This method returns the feature's prerequisites as a CPAN::Meta::Prereqs object.
BUGS
Please report any bugs or feature using the CPAN Request Tracker. Bugs can be submitted through the web interface at http://rt.cpan.org/Dist/Display.html?Queue=CPAN-Meta
When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.
AUTHORS
David Golden <dagolden@cpan.org>
Ricardo Signes <rjbs@cpan.org>
COPYRIGHT AND LICENSE
This software is copyright (c) 2010 by David Golden and Ricardo Signes.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
Module Install Instructions
To install less, copy and paste the appropriate command in to your terminal.
cpanm less
perl -MCPAN -e shell
install less
For more information on module installation, please visit the detailed CPAN module installation guide.