Fix a heap buffer overflow in pcretest causing infinite loop when matching globally with an ovector less than 2

pcre-8.38-Fix-pcretest-loop-for-global-matching-with-an-ovecto.patch

@@ -0,0 +1,33 @@
+From 0fc2edb79b3815c6511fd75c36a57893e4acaee6 Mon Sep 17 00:00:00 2001
+From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
+Date: Sat, 27 Feb 2016 17:55:24 +0000
+Subject: [PATCH] Fix pcretest loop for global matching with an ovector size
+ less than 2.
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1637 2f5784b3-3f2a-0410-8824-cb99058d5e15
+
+Petr Písař: Ported to 8.38.
+
+diff --git a/pcretest.c b/pcretest.c
+index 63869fd..78ef517 100644
+--- a/pcretest.c
++++ b/pcretest.c
+@@ -5617,6 +5617,12 @@ while (!done)
+         break;
+         }
+ 
++      if (use_size_offsets < 2)
++        {
++        fprintf(outfile, "Cannot do global matching with an ovector size < 2\n");
++        break;
++        }
++
+       /* If we have matched an empty string, first check to see if we are at
+       the end of the subject. If so, the /g loop is over. Otherwise, mimic what
+       Perl's /g options does. This turns out to be rather cunning. First we set
+-- 
+2.5.0
+

pcre.spec

@@ -77,6 +77,10 @@ Patch13:    pcre-8.38-Fix-workspace-overflow-for-ACCEPT-with-deeply-nested.patch
 # groups with a nested back reference), bug #1295386, upstream bug #1767,
 # fixed in upstream after 8.38
 Patch14:    pcre-8.38-Yet-another-duplicate-name-bugfix-by-overestimating-.patch
+# Fix a heap buffer overflow in pcretest causing infinite loop when matching
+# globally with an ovector less than 2, bug #1312786, upstream bug #1777,
+# fixed in upstream after 8.38
+Patch15:    pcre-8.38-Fix-pcretest-loop-for-global-matching-with-an-ovecto.patch
 BuildRequires:  readline-devel
 BuildRequires:  autoconf
 BuildRequires:  automake
@@ -140,6 +144,7 @@ Utilities demonstrating PCRE capabilities like pcregrep or pcretest.
 %patch12 -p1
 %patch13 -p1
 %patch14 -p1
+%patch15 -p1
 # Because of rpath patch
 libtoolize --copy --force
 autoreconf -vif
@@ -214,6 +219,8 @@ make %{?_smp_mflags} check VERBOSE=yes
 * Mon Feb 29 2016 Petr Pisar <ppisar@redhat.com> - 8.38-8
 - Fix CVE-2016-1283 (a heap buffer overflow in handling of nested duplicate
   named groups with a nested back reference) (bug #1295386)
+- Fix a heap buffer overflow in pcretest causing infinite loop when matching
+  globally with an ovector less than 2 (bug #1312786)
 
 * Thu Feb 11 2016 Petr Pisar <ppisar@redhat.com> - 8.38-7
 - Fix pcretest for expressions with a callout inside a look-behind assertion