Security Advisories (17)
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 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 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
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
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
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
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 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
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
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
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.
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.
NAME
module-version.t - Check or update versions of Perl modules
SYNOPSIS
module-version.t [--update]
REQUIREMENTS
Perl 5.6.0 or later, the Perl6::Slurp module, and the JSON::PP Perl module, both of which are available from CPAN. JSON::PP is also included in Perl core in Perl 5.14 and later.
DESCRIPTION
This script has a dual purpose as either a test script or a utility script. The intent is to assist with maintaining consistent versions in a Perl distribution, supporting both the package keyword syntax introduced in Perl 5.12 or the older explicit setting of a $VERSION variable.
As a test, it reads the current version of a package from the MYMETA.json file in the current directory (which should be the root of the distribution) and then looks for any Perl modules in lib. If it finds any, it checks that the version number of the Perl module matches the version number of the package from the MYMETA.json file. These test results are reported with Test::More, suitable for any TAP harness.
As a utility script, when run with the --update option, it similarly finds all Perl modules in lib and then rewrites their version setting to match the version of the package as determined from the MYMETA.json file.
OPTIONS
- -u, --update
-
Rather than test the Perl modules for the correct version, update all Perl modules found in the tree under lib to the current version from the
MYMETA.jsonfile.
AUTHOR
Russ Allbery <eagle@eyrie.org>
COPYRIGHT AND LICENSE
Copyright 2014, 2015, 2016 Russ Allbery <eagle@eyrie.org>
Copyright 2013, 2014 The Board of Trustees of the Leland Stanford Junior University
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
SEE ALSO
This module is maintained in the rra-c-util package. The current version is available from http://www.eyrie.org/~eagle/software/rra-c-util/.
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.