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01/01: gnu: libwmf: Add fixes for several security flaws.
|
From: |
Mark H. Weaver |
|
Subject: |
01/01: gnu: libwmf: Add fixes for several security flaws. |
|
Date: |
Thu, 08 Oct 2015 14:46:38 +0000 |
mhw pushed a commit to branch master
in repository guix.
commit f956d661add890acb41592482a8a0c3fd90afd76
Author: Mark H Weaver <address@hidden>
Date: Thu Oct 8 10:43:40 2015 -0400
gnu: libwmf: Add fixes for several security flaws.
* gnu/packages/patches/libwmf-CAN-2004-0941.patch,
gnu/packages/patches/libwmf-CVE-2007-0455.patch,
gnu/packages/patches/libwmf-CVE-2007-2756.patch,
gnu/packages/patches/libwmf-CVE-2007-3472.patch,
gnu/packages/patches/libwmf-CVE-2007-3473.patch,
gnu/packages/patches/libwmf-CVE-2007-3477.patch,
gnu/packages/patches/libwmf-CVE-2009-3546.patch: New files.
* gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch: Delete
file. Replace with ...
* gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch,
gnu/packages/patches/libwmf-CVE-2015-4695.patch,
gnu/packages/patches/libwmf-CVE-2015-4696.patch: ... these new files.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/image.scm (libwmf)[source]: Adjust set of patches.
---
gnu-system.am | 11 +-
gnu/packages/image.scm | 13 ++-
gnu/packages/patches/libwmf-CAN-2004-0941.patch | 21 +++
gnu/packages/patches/libwmf-CVE-2007-0455.patch | 15 ++
gnu/packages/patches/libwmf-CVE-2007-2756.patch | 20 ++
gnu/packages/patches/libwmf-CVE-2007-3472.patch | 63 +++++++
gnu/packages/patches/libwmf-CVE-2007-3473.patch | 17 ++
gnu/packages/patches/libwmf-CVE-2007-3477.patch | 42 +++++
gnu/packages/patches/libwmf-CVE-2009-3546.patch | 17 ++
.../libwmf-CVE-2015-0848+4588+4695+4696.patch | 189 --------------------
.../libwmf-CVE-2015-0848+CVE-2015-4588.patch | 122 +++++++++++++
gnu/packages/patches/libwmf-CVE-2015-4695.patch | 60 ++++++
gnu/packages/patches/libwmf-CVE-2015-4696.patch | 27 +++
13 files changed, 425 insertions(+), 192 deletions(-)
diff --git a/gnu-system.am b/gnu-system.am
index 9c59132..9ebaf52 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -536,9 +536,18 @@ dist_patch_DATA =
\
gnu/packages/patches/libtheora-config-guess.patch \
gnu/packages/patches/libtool-skip-tests2.patch \
gnu/packages/patches/libssh-CVE-2014-0017.patch \
+ gnu/packages/patches/libwmf-CAN-2004-0941.patch \
gnu/packages/patches/libwmf-CVE-2006-3376.patch \
+ gnu/packages/patches/libwmf-CVE-2007-0455.patch \
+ gnu/packages/patches/libwmf-CVE-2007-2756.patch \
+ gnu/packages/patches/libwmf-CVE-2007-3472.patch \
+ gnu/packages/patches/libwmf-CVE-2007-3473.patch \
+ gnu/packages/patches/libwmf-CVE-2007-3477.patch \
gnu/packages/patches/libwmf-CVE-2009-1364.patch \
- gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch \
+ gnu/packages/patches/libwmf-CVE-2009-3546.patch \
+ gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch \
+ gnu/packages/patches/libwmf-CVE-2015-4695.patch \
+ gnu/packages/patches/libwmf-CVE-2015-4696.patch \
gnu/packages/patches/lirc-localstatedir.patch \
gnu/packages/patches/libpthread-glibc-preparation.patch \
gnu/packages/patches/lm-sensors-hwmon-attrs.patch \
diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index 23ad59c..58338af 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -148,9 +148,18 @@ collection of tools for doing simple manipulations of TIFF
images.")
(sha256
(base32 "1y3wba4q8pl7kr51212jwrsz1x6nslsx1gsjml1x0i8549lmqd2v"))
(patches
- (map search-patch '("libwmf-CVE-2006-3376.patch"
+ (map search-patch '("libwmf-CAN-2004-0941.patch"
+ "libwmf-CVE-2006-3376.patch"
+ "libwmf-CVE-2007-0455.patch"
+ "libwmf-CVE-2007-2756.patch"
+ "libwmf-CVE-2007-3472.patch"
+ "libwmf-CVE-2007-3473.patch"
+ "libwmf-CVE-2007-3477.patch"
"libwmf-CVE-2009-1364.patch"
- "libwmf-CVE-2015-0848+4588+4695+4696.patch")))))
+ "libwmf-CVE-2009-3546.patch"
+ "libwmf-CVE-2015-0848+CVE-2015-4588.patch"
+ "libwmf-CVE-2015-4695.patch"
+ "libwmf-CVE-2015-4696.patch")))))
(build-system gnu-build-system)
(inputs
diff --git a/gnu/packages/patches/libwmf-CAN-2004-0941.patch
b/gnu/packages/patches/libwmf-CAN-2004-0941.patch
new file mode 100644
index 0000000..84dd9ba
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CAN-2004-0941.patch
@@ -0,0 +1,21 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CAN-2004-0941.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gd_png.c 2004-11-11 14:02:37.407589824
-0500
++++ libwmf-0.2.8.4/src/extra/gd/gd_png.c 2004-11-11 14:04:29.672522960
-0500
+@@ -188,6 +188,14 @@
+
+ png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
+ &interlace_type, NULL, NULL);
++ if (overflow2(sizeof (int), width))
++ {
++ return NULL;
++ }
++ if (overflow2(sizeof (int) * width, height))
++ {
++ return NULL;
++ }
+ if ((color_type == PNG_COLOR_TYPE_RGB) ||
+ (color_type == PNG_COLOR_TYPE_RGB_ALPHA))
+ {
diff --git a/gnu/packages/patches/libwmf-CVE-2007-0455.patch
b/gnu/packages/patches/libwmf-CVE-2007-0455.patch
new file mode 100644
index 0000000..ceefc75
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2007-0455.patch
@@ -0,0 +1,15 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-0455.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gdft.c 2010-12-06 11:18:26.000000000 +0000
++++ libwmf-0.2.8.4/src/extra/gd/gdft.c 2010-12-06 11:21:09.000000000 +0000
+@@ -811,7 +811,7 @@
+ {
+ ch = c & 0xFF; /* don't extend sign */
+ }
+- next++;
++ if (*next) next++;
+ }
+ else
+ {
diff --git a/gnu/packages/patches/libwmf-CVE-2007-2756.patch
b/gnu/packages/patches/libwmf-CVE-2007-2756.patch
new file mode 100644
index 0000000..feafac5
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2007-2756.patch
@@ -0,0 +1,20 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-2756.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gd_png.c 1 Apr 2007 20:41:01 -0000
1.21.2.1
++++ libwmf-0.2.8.4/src/extra/gd/gd_png.c 16 May 2007 19:06:11 -0000
+@@ -78,8 +78,11 @@
+ gdPngReadData (png_structp png_ptr,
+ png_bytep data, png_size_t length)
+ {
+- gdGetBuf (data, length, (gdIOCtx *)
+- png_get_io_ptr (png_ptr));
++ int check;
++ check = gdGetBuf (data, length, (gdIOCtx *) png_get_io_ptr (png_ptr));
++ if (check != length) {
++ png_error(png_ptr, "Read Error: truncated data");
++ }
+ }
+
+ static void
diff --git a/gnu/packages/patches/libwmf-CVE-2007-3472.patch
b/gnu/packages/patches/libwmf-CVE-2007-3472.patch
new file mode 100644
index 0000000..180bdb5
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2007-3472.patch
@@ -0,0 +1,63 @@
+Based on a patch from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3472.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gd.c
++++ libwmf-0.2.8.4/src/extra/gd/gd.c
+@@ -106,6 +106,18 @@
+ gdImagePtr im;
+ unsigned long cpa_size;
+
++ if (overflow2(sx, sy)) {
++ return NULL;
++ }
++
++ if (overflow2(sizeof (int *), sy)) {
++ return NULL;
++ }
++
++ if (overflow2(sizeof(int), sx)) {
++ return NULL;
++ }
++
+ im = (gdImage *) gdMalloc (sizeof (gdImage));
+ if (im == 0) return 0;
+ memset (im, 0, sizeof (gdImage));
+--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:47:31.000000000
+0000
++++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:48:04.000000000
+0000
+@@ -2,6 +2,7 @@
+ #include "gdhelpers.h"
+ #include <stdlib.h>
+ #include <string.h>
++#include <limits.h>
+
+ /* TBB: gd_strtok_r is not portable; provide an implementation */
+
+@@ -94,3 +95,18 @@
+ {
+ free (ptr);
+ }
++
++int overflow2(int a, int b)
++{
++ if(a < 0 || b < 0) {
++ fprintf(stderr, "gd warning: one parameter to a memory
allocation multiplication is negative, failing operation gracefully\n");
++ return 1;
++ }
++ if(b == 0)
++ return 0;
++ if(a > INT_MAX / b) {
++ fprintf(stderr, "gd warning: product of memory allocation
multiplication would exceed INT_MAX, failing operation gracefully\n");
++ return 1;
++ }
++ return 0;
++}
+--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:47:17.000000000
+0000
++++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:48:36.000000000
+0000
+@@ -15,4 +15,6 @@
+ void *gdMalloc(size_t size);
+ void *gdRealloc(void *ptr, size_t size);
+
++int overflow2(int a, int b);
++
+ #endif /* GDHELPERS_H */
diff --git a/gnu/packages/patches/libwmf-CVE-2007-3473.patch
b/gnu/packages/patches/libwmf-CVE-2007-3473.patch
new file mode 100644
index 0000000..cb96c94
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2007-3473.patch
@@ -0,0 +1,17 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3473.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gd.c
++++ libwmf-0.2.8.4/src/extra/gd/gd.c
+@@ -2483,6 +2483,10 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromXbm (FILE * fd)
+ }
+ bytes = (w * h / 8) + 1;
+ im = gdImageCreate (w, h);
++ if (!im) {
++ return 0;
++ }
++
+ gdImageColorAllocate (im, 255, 255, 255);
+ gdImageColorAllocate (im, 0, 0, 0);
+ x = 0;
diff --git a/gnu/packages/patches/libwmf-CVE-2007-3477.patch
b/gnu/packages/patches/libwmf-CVE-2007-3477.patch
new file mode 100644
index 0000000..e9f6f42
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2007-3477.patch
@@ -0,0 +1,42 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2007-3477.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gd.c
++++ libwmf-0.2.8.4/src/extra/gd/gd.c
+@@ -1335,10 +1335,31 @@
+ int w2, h2;
+ w2 = w / 2;
+ h2 = h / 2;
+- while (e < s)
+- {
+- e += 360;
+- }
++
++ if ((s % 360) == (e % 360)) {
++ s = 0; e = 360;
++ } else {
++ if (s > 360) {
++ s = s % 360;
++ }
++
++ if (e > 360) {
++ e = e % 360;
++ }
++
++ while (s < 0) {
++ s += 360;
++ }
++
++ while (e < s) {
++ e += 360;
++ }
++
++ if (s == e) {
++ s = 0; e = 360;
++ }
++ }
++
+ for (i = s; (i <= e); i++)
+ {
+ int x, y;
diff --git a/gnu/packages/patches/libwmf-CVE-2009-3546.patch
b/gnu/packages/patches/libwmf-CVE-2009-3546.patch
new file mode 100644
index 0000000..ef76fe0
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2009-3546.patch
@@ -0,0 +1,17 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2009-3546.patch
+
+--- libwmf-0.2.8.4/src/extra/gd/gd_gd.c 2010-12-06 14:56:06.000000000
+0000
++++ libwmf-0.2.8.4/src/extra/gd/gd_gd.c 2010-12-06 14:57:04.000000000
+0000
+@@ -42,6 +42,10 @@
+ {
+ goto fail1;
+ }
++ if (&im->colorsTotal > gdMaxColors)
++ {
++ goto fail1;
++ }
+ }
+ /* Int to accommodate truecolor single-color transparency */
+ if (!gdGetInt (&im->transparent, in))
diff --git a/gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch
b/gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch
deleted file mode 100644
index 091fc8b..0000000
--- a/gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch
+++ /dev/null
@@ -1,189 +0,0 @@
-Fix CVE-2015-0848, CVE-2015-4588, CVE-2015-4695, and CVE-2015-4696.
-Copied from Debian.
-
---- libwmf-0.2.8.4.orig/src/player/meta.h
-+++ libwmf-0.2.8.4/src/player/meta.h
-@@ -1565,7 +1565,7 @@ static int meta_rgn_create (wmfAPI* API,
- objects = P->objects;
-
- i = 0;
-- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
-+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
-
- if (i == NUM_OBJECTS (API))
- { WMF_ERROR (API,"Object out of range!");
-@@ -2142,7 +2142,7 @@ static int meta_dib_brush (wmfAPI* API,w
- objects = P->objects;
-
- i = 0;
-- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
-+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
-
- if (i == NUM_OBJECTS (API))
- { WMF_ERROR (API,"Object out of range!");
-@@ -2593,9 +2593,10 @@ static int meta_dc_restore (wmfAPI* API,
- polyrect.BR = 0;
-
- polyrect.count = 0;
-+
-+ if (FR->region_clip) FR->region_clip (API,&polyrect);
- }
-
-- if (FR->region_clip) FR->region_clip (API,&polyrect);
-
- return (changed);
- }
-@@ -3067,7 +3068,7 @@ static int meta_pen_create (wmfAPI* API,
- objects = P->objects;
-
- i = 0;
-- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
-+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
-
- if (i == NUM_OBJECTS (API))
- { WMF_ERROR (API,"Object out of range!");
-@@ -3181,7 +3182,7 @@ static int meta_brush_create (wmfAPI* AP
- objects = P->objects;
-
- i = 0;
-- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
-+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
-
- if (i == NUM_OBJECTS (API))
- { WMF_ERROR (API,"Object out of range!");
-@@ -3288,7 +3289,7 @@ static int meta_font_create (wmfAPI* API
- objects = P->objects;
-
- i = 0;
-- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
-+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
-
- if (i == NUM_OBJECTS (API))
- { WMF_ERROR (API,"Object out of range!");
-@@ -3396,7 +3397,7 @@ static int meta_palette_create (wmfAPI*
- objects = P->objects;
-
- i = 0;
-- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
-+ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
-
- if (i == NUM_OBJECTS (API))
- { WMF_ERROR (API,"Object out of range!");
---- libwmf-0.2.8.4.orig/src/ipa/ipa.h
-+++ libwmf-0.2.8.4/src/ipa/ipa.h
-@@ -48,7 +48,7 @@ static int ReadBlobByte (BMPS
- static unsigned short ReadBlobLSBShort (BMPSource*);
- static unsigned long ReadBlobLSBLong (BMPSource*);
- static long TellBlob (BMPSource*);
--static void DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned
int,unsigned char*);
-+static int DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned
int,unsigned char*);
- static void ReadBMPImage (wmfAPI*,wmfBMP*,BMPSource*);
- static int ExtractColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned
int,unsigned int);
- static void SetColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned
char,unsigned int,unsigned int);
---- libwmf-0.2.8.4.orig/src/ipa/ipa/bmp.h
-+++ libwmf-0.2.8.4/src/ipa/ipa/bmp.h
-@@ -859,7 +859,7 @@ static long TellBlob (BMPSource* src)
- %
- %
- */
--static void DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int
compression,unsigned char* pixels)
-+static int DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int
compression,unsigned char* pixels)
- { int byte;
- int count;
- int i;
-@@ -870,12 +870,14 @@ static void DecodeImage (wmfAPI* API,wmf
- U32 u;
-
- unsigned char* q;
-+ unsigned char* end;
-
- for (u = 0; u < ((U32) bmp->width * (U32) bmp->height); u++) pixels[u]
= 0;
-
- byte = 0;
- x = 0;
- q = pixels;
-+ end = pixels + bmp->width * bmp->height;
-
- for (y = 0; y < bmp->height; )
- { count = ReadBlobByte (src);
-@@ -884,7 +886,10 @@ static void DecodeImage (wmfAPI* API,wmf
- { /* Encoded mode. */
- byte = ReadBlobByte (src);
- for (i = 0; i < count; i++)
-- { if (compression == 1)
-+ {
-+ if (q == end)
-+ return 0;
-+ if (compression == 1)
- { (*(q++)) = (unsigned char) byte;
- }
- else
-@@ -896,13 +901,15 @@ static void DecodeImage (wmfAPI* API,wmf
- else
- { /* Escape mode. */
- count = ReadBlobByte (src);
-- if (count == 0x01) return;
-+ if (count == 0x01) return 1;
- switch (count)
- {
- case 0x00:
- { /* End of line. */
- x = 0;
- y++;
-+ if (y >= bmp->height)
-+ return 0;
- q = pixels + y * bmp->width;
- break;
- }
-@@ -910,13 +917,20 @@ static void DecodeImage (wmfAPI* API,wmf
- { /* Delta mode. */
- x += ReadBlobByte (src);
- y += ReadBlobByte (src);
-+ if (y >= bmp->height)
-+ return 0;
-+ if (x >= bmp->width)
-+ return 0;
- q = pixels + y * bmp->width + x;
- break;
- }
- default:
- { /* Absolute mode. */
- for (i = 0; i < count; i++)
-- { if (compression == 1)
-+ {
-+ if (q == end)
-+ return 0;
-+ if (compression == 1)
- { (*(q++)) = ReadBlobByte (src);
- }
- else
-@@ -943,7 +957,7 @@ static void DecodeImage (wmfAPI* API,wmf
- byte = ReadBlobByte (src); /* end of line */
- byte = ReadBlobByte (src);
-
-- return;
-+ return 1;
- }
-
- /*
-@@ -1143,8 +1157,18 @@ static void ReadBMPImage (wmfAPI* API,wm
- }
- }
- else
-- { /* Convert run-length encoded raster pixels. */
-- DecodeImage (API,bmp,src,(unsigned int)
bmp_info.compression,data->image);
-+ {
-+ if (bmp_info.bits_per_pixel == 8) /* Convert run-length
encoded raster pixels. */
-+ {
-+ if (!DecodeImage (API,bmp,src,(unsigned int)
bmp_info.compression,data->image))
-+ { WMF_ERROR (API,"corrupt bmp");
-+ API->err = wmf_E_BadFormat;
-+ }
-+ }
-+ else
-+ { WMF_ERROR (API,"Unexpected pixel depth");
-+ API->err = wmf_E_BadFormat;
-+ }
- }
-
- if (ERR (API))
diff --git a/gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch
b/gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch
new file mode 100644
index 0000000..871be1d
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2015-0848+CVE-2015-4588.patch
@@ -0,0 +1,122 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2015-0848+CVE-2015-4588.patch
+
+--- libwmf-0.2.8.4/src/ipa/ipa/bmp.h 2015-06-08 14:46:24.591876404 +0100
++++ libwmf-0.2.8.4/src/ipa/ipa/bmp.h 2015-06-08 14:46:35.345993247 +0100
+@@ -859,7 +859,7 @@
+ %
+ %
+ */
+-static void DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int
compression,unsigned char* pixels)
++static int DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int
compression,unsigned char* pixels)
+ { int byte;
+ int count;
+ int i;
+@@ -870,12 +870,14 @@
+ U32 u;
+
+ unsigned char* q;
++ unsigned char* end;
+
+ for (u = 0; u < ((U32) bmp->width * (U32) bmp->height); u++) pixels[u]
= 0;
+
+ byte = 0;
+ x = 0;
+ q = pixels;
++ end = pixels + bmp->width * bmp->height;
+
+ for (y = 0; y < bmp->height; )
+ { count = ReadBlobByte (src);
+@@ -884,7 +886,10 @@
+ { /* Encoded mode. */
+ byte = ReadBlobByte (src);
+ for (i = 0; i < count; i++)
+- { if (compression == 1)
++ {
++ if (q == end)
++ return 0;
++ if (compression == 1)
+ { (*(q++)) = (unsigned char) byte;
+ }
+ else
+@@ -896,13 +901,15 @@
+ else
+ { /* Escape mode. */
+ count = ReadBlobByte (src);
+- if (count == 0x01) return;
++ if (count == 0x01) return 1;
+ switch (count)
+ {
+ case 0x00:
+ { /* End of line. */
+ x = 0;
+ y++;
++ if (y >= bmp->height)
++ return 0;
+ q = pixels + y * bmp->width;
+ break;
+ }
+@@ -910,13 +917,20 @@
+ { /* Delta mode. */
+ x += ReadBlobByte (src);
+ y += ReadBlobByte (src);
++ if (y >= bmp->height)
++ return 0;
++ if (x >= bmp->width)
++ return 0;
+ q = pixels + y * bmp->width + x;
+ break;
+ }
+ default:
+ { /* Absolute mode. */
+ for (i = 0; i < count; i++)
+- { if (compression == 1)
++ {
++ if (q == end)
++ return 0;
++ if (compression == 1)
+ { (*(q++)) = ReadBlobByte (src);
+ }
+ else
+@@ -943,7 +957,7 @@
+ byte = ReadBlobByte (src); /* end of line */
+ byte = ReadBlobByte (src);
+
+- return;
++ return 1;
+ }
+
+ /*
+@@ -1143,8 +1157,18 @@
+ }
+ }
+ else
+- { /* Convert run-length encoded raster pixels. */
+- DecodeImage (API,bmp,src,(unsigned int)
bmp_info.compression,data->image);
++ {
++ if (bmp_info.bits_per_pixel == 8) /* Convert run-length
encoded raster pixels. */
++ {
++ if (!DecodeImage (API,bmp,src,(unsigned int)
bmp_info.compression,data->image))
++ { WMF_ERROR (API,"corrupt bmp");
++ API->err = wmf_E_BadFormat;
++ }
++ }
++ else
++ { WMF_ERROR (API,"Unexpected pixel depth");
++ API->err = wmf_E_BadFormat;
++ }
+ }
+
+ if (ERR (API))
+--- libwmf-0.2.8.4/src/ipa/ipa.h 2015-06-08 14:46:24.590876393 +0100
++++ libwmf-0.2.8.4/src/ipa/ipa.h 2015-06-08 14:46:35.345993247 +0100
+@@ -48,7 +48,7 @@
+ static unsigned short ReadBlobLSBShort (BMPSource*);
+ static unsigned long ReadBlobLSBLong (BMPSource*);
+ static long TellBlob (BMPSource*);
+-static void DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned
int,unsigned char*);
++static int DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned
int,unsigned char*);
+ static void ReadBMPImage (wmfAPI*,wmfBMP*,BMPSource*);
+ static int ExtractColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned
int,unsigned int);
+ static void SetColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned
char,unsigned int,unsigned int);
diff --git a/gnu/packages/patches/libwmf-CVE-2015-4695.patch
b/gnu/packages/patches/libwmf-CVE-2015-4695.patch
new file mode 100644
index 0000000..42c4d55
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2015-4695.patch
@@ -0,0 +1,60 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2015-4695.patch
+
+--- libwmf-0.2.8.4/src/player/meta.h
++++ libwmf-0.2.8.4/src/player/meta.h
+@@ -1565,7 +1565,7 @@ static int meta_rgn_create (wmfAPI* API,
+ objects = P->objects;
+
+ i = 0;
+- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+
+ if (i == NUM_OBJECTS (API))
+ { WMF_ERROR (API,"Object out of range!");
+@@ -2142,7 +2142,7 @@ static int meta_dib_brush (wmfAPI* API,w
+ objects = P->objects;
+
+ i = 0;
+- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+
+ if (i == NUM_OBJECTS (API))
+ { WMF_ERROR (API,"Object out of range!");
+@@ -3067,7 +3067,7 @@ static int meta_pen_create (wmfAPI* API,
+ objects = P->objects;
+
+ i = 0;
+- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+
+ if (i == NUM_OBJECTS (API))
+ { WMF_ERROR (API,"Object out of range!");
+@@ -3181,7 +3181,7 @@ static int meta_brush_create (wmfAPI* AP
+ objects = P->objects;
+
+ i = 0;
+- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+
+ if (i == NUM_OBJECTS (API))
+ { WMF_ERROR (API,"Object out of range!");
+@@ -3288,7 +3288,7 @@ static int meta_font_create (wmfAPI* API
+ objects = P->objects;
+
+ i = 0;
+- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+
+ if (i == NUM_OBJECTS (API))
+ { WMF_ERROR (API,"Object out of range!");
+@@ -3396,7 +3396,7 @@ static int meta_palette_create (wmfAPI*
+ objects = P->objects;
+
+ i = 0;
+- while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++ while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+
+ if (i == NUM_OBJECTS (API))
+ { WMF_ERROR (API,"Object out of range!");
diff --git a/gnu/packages/patches/libwmf-CVE-2015-4696.patch
b/gnu/packages/patches/libwmf-CVE-2015-4696.patch
new file mode 100644
index 0000000..3674458
--- /dev/null
+++ b/gnu/packages/patches/libwmf-CVE-2015-4696.patch
@@ -0,0 +1,27 @@
+Copied from Fedora.
+
+http://pkgs.fedoraproject.org/cgit/libwmf.git/tree/libwmf-0.2.8.4-CVE-2015-4696.patch
+
+--- libwmf-0.2.8.4/src/player/meta.h
++++ libwmf-0.2.8.4/src/player/meta.h
+@@ -2585,6 +2585,8 @@
+ polyrect.BR[i] = clip->rects[i].BR;
+ }
+
++ if (FR->region_clip) FR->region_clip (API,&polyrect);
++
+ wmf_free (API,polyrect.TL);
+ wmf_free (API,polyrect.BR);
+ }
+@@ -2593,9 +2595,10 @@
+ polyrect.BR = 0;
+
+ polyrect.count = 0;
++
++ if (FR->region_clip) FR->region_clip (API,&polyrect);
+ }
+
+- if (FR->region_clip) FR->region_clip (API,&polyrect);
+
+ return (changed);
+ }