Fix a buffer overread when parsin a Unicode property while compiling a regular expression
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From c6f37d61adb39a6d7764b1bcb6bb67accb22a0a0 Mon Sep 17 00:00:00 2001
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From: Karl Williamson <khw@cpan.org>
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Date: Fri, 24 May 2019 09:01:46 -0600
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Subject: [PATCH] PATCH: [perl #134133] read beyond end of buffer
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The code was using the wrong limit variable.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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regcomp.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/regcomp.c b/regcomp.c
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index d61fd434fe..b2cc6672cb 100644
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--- a/regcomp.c
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+++ b/regcomp.c
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@@ -22946,7 +22946,7 @@ Perl_parse_uniprop_string(pTHX_
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/* Certain properties whose values are numeric need special handling.
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* They may optionally be prefixed by 'is'. Ignore that prefix for the
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* purposes of checking if this is one of those properties */
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- if (memBEGINPs(lookup_name, name_len, "is")) {
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+ if (memBEGINPs(lookup_name, j, "is")) {
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lookup_offset = 2;
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}
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--
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2.21.0
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@ -267,6 +267,10 @@ Patch53: perl-5.31.2-Run-tests-in-ext-File-Find-t-in-series.patch
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# fixed after 5.31.3
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# fixed after 5.31.3
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Patch54: perl-5.31.3-regcomp.c-Fix-wrong-limit-test.patch
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Patch54: perl-5.31.3-regcomp.c-Fix-wrong-limit-test.patch
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# Fix a buffer overread when parsing a Unicode property while compiling
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# a regular expression, RT#134133, fixed after 5.31.3
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Patch55: perl-5.31.3-PATCH-perl-134133-read-beyond-end-of-buffer.patch
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# Link XS modules to libperl.so with EU::CBuilder on Linux, bug #960048
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# Link XS modules to libperl.so with EU::CBuilder on Linux, bug #960048
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Patch200: perl-5.16.3-Link-XS-modules-to-libperl.so-with-EU-CBuilder-on-Li.patch
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Patch200: perl-5.16.3-Link-XS-modules-to-libperl.so-with-EU-CBuilder-on-Li.patch
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@ -2843,6 +2847,7 @@ Perl extension for Version Objects
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%patch52 -p1
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%patch52 -p1
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%patch53 -p1
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%patch53 -p1
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%patch54 -p1
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%patch54 -p1
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%patch55 -p1
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%patch200 -p1
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%patch200 -p1
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%patch201 -p1
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%patch201 -p1
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@ -2904,6 +2909,7 @@ perl -x patchlevel.h \
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'Fedora Patch52: Fix a documentation about a future API change' \
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'Fedora Patch52: Fix a documentation about a future API change' \
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'Fedora Patch53: Do not run File-Find tests in parallel' \
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'Fedora Patch53: Do not run File-Find tests in parallel' \
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'Fedora Patch54: Fix parsing a Unicode property name when compiling a regular expression' \
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'Fedora Patch54: Fix parsing a Unicode property name when compiling a regular expression' \
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'Fedora Patch55: Fix a buffer overread when parsing a Unicode property while compiling a regular expression (RT#134133)' \
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'Fedora Patch200: Link XS modules to libperl.so with EU::CBuilder on Linux' \
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'Fedora Patch200: Link XS modules to libperl.so with EU::CBuilder on Linux' \
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'Fedora Patch201: Link XS modules to libperl.so with EU::MM on Linux' \
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'Fedora Patch201: Link XS modules to libperl.so with EU::MM on Linux' \
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%{nil}
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%{nil}
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@ -5152,6 +5158,8 @@ popd
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* Mon Sep 02 2019 Petr Pisar <ppisar@redhat.com> - 4:5.30.0-445
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* Mon Sep 02 2019 Petr Pisar <ppisar@redhat.com> - 4:5.30.0-445
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- Adjust spec file to rpm-build-4.15.0-0.rc1.1
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- Adjust spec file to rpm-build-4.15.0-0.rc1.1
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- Fix parsing a Unicode property name when compiling a regular expression
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- Fix parsing a Unicode property name when compiling a regular expression
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- Fix a buffer overread when parsing a Unicode property while compiling
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a regular expression (RT#134133)
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* Thu Aug 22 2019 Petr Pisar <ppisar@redhat.com> - 4:5.30.0-444
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* Thu Aug 22 2019 Petr Pisar <ppisar@redhat.com> - 4:5.30.0-444
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- Fix a NULL pointer dereference in PerlIOVia_pushed()
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- Fix a NULL pointer dereference in PerlIOVia_pushed()
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