Fix multiple vulnerabilities (closes: #850432)

- New patch 934_menu.patch to fix buffer overflow (tats/w3m#49)
- New patch 935_shiftanchor.patch to fix buffer overflow (tats/w3m#62)
- New patch 936_metarefresh.patch to fix buffer overflow (tats/w3m#63)
- New patch 937_lineproc0.patch to fix buffer overflow (tats/w3m#67)
- New patch 938_lineproc2body.patch to fix buffer overflow (tats/w3m#61)
- New patch 939_textarea.patch to fix buffer overflow (tats/w3m#58)
- New patch 940_tabattr.patch to fix buffer overflow (tats/w3m#60)
- New patch 941_integeredwidth.patch to fix buffer overflow (tats/w3m#70)
- New patch 942_tridvalue.patch to fix buffer overflow (tats/w3m#71)
- New patch 943_pushlink.patch to fix buffer overflow (tats/w3m#64, #66)
- New patch 944_lineproc0.patch to fix use after free (tats/w3m#65)
- New patch 945_wtfstrwidth.patch to fix buffer overflow (tats/w3m#57)
- New patch 946_strnewsize.patch to fix buffer overflow (tats/w3m#72)
- New patch 947_realcolumn.patch to fix buffer overflow (tats/w3m#69)
- New patch 948_getmclen.patch to fix buffer overflow
  (tats/w3m#59, #73, #74, #75, #76, #78, #79, #80, #83, #84)
- New patch 949_wtftowcs.patch to fix buffer overflow (tats/w3m#77)
- New patch 950_textarea.patch to fix infinite loop (tats/w3m#85)
- New patch 951_lineproc0.patch to fix use after free (tats/w3m#81)
- New patch 952_formupdatebuffer.patch to fix buffer overflow (tats/w3m#82)
- New patch 953_formupdateline.patch to fix buffer overflow
  (tats/w3m#68#issuecomment-266214643)
- New patch 954_wtfparse1.patch to fix buffer overflow (tats/w3m#68)

1 files changed, 25 insertions, 0 deletions

diff --git a/debian/patches/938_lineproc2body.patch b/debian/patches/938_lineproc2body.patch
new file mode 100644
index 0000000..67d39d8
--- /dev/null
+++ b/debian/patches/938_lineproc2body.patch
@@ -0,0 +1,25 @@
+Subject: Prevent negative array index for marks in HTMLlineproc2body()
+From: Tatsuya Kinoshita <tats@debian.org>
+Bug-Debian: https://github.com/tats/w3m/issues/61
+Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=f34c37f3156d1578a53dccc582c83c88fff76f87
+
+---
+ file.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/file.c b/file.c
+index 6850db1..c5aeb88 100644
+--- a/file.c
++++ b/file.c
+@@ -5699,7 +5699,7 @@ HTMLlineproc2body(Buffer *buf, Str (*feed) (), int llimit)
+ 			a_href->end.pos = pos;
+ 			if (a_href->start.line == a_href->end.line &&
+ 			    a_href->start.pos == a_href->end.pos) {
+-			    if (buf->hmarklist &&
++			    if (buf->hmarklist && a_href->hseq >= 0 &&
+ 				a_href->hseq < buf->hmarklist->nmark)
+ 				buf->hmarklist->marks[a_href->hseq].invalid = 1;
+ 			    a_href->hseq = -1;
+-- 
+2.10.2
+