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authorfeld <feld@FreeBSD.org>2016-03-09 17:13:49 +0000
committerfeld <feld@FreeBSD.org>2016-03-09 17:13:49 +0000
commite933b20c2ee0870333b7b6d99be6eca1c06015ee (patch)
treed9ee02b7b82e064593150b195a96a116c1f04831
parent21f5db4a003148f6fcf1efbab3459a15c9f0ee94 (diff)
downloadFreeBSD-ports-e933b20c2ee0870333b7b6d99be6eca1c06015ee.zip
FreeBSD-ports-e933b20c2ee0870333b7b6d99be6eca1c06015ee.tar.gz
graphics/giflib: Add patch to fix regression
There is a regression with the 5.1.2 update to giflib. This affects the ability for applications to render gif images usually ocurring after the first gif image is rendered. Upstream has been notified but has not yet provided feedback. giflib 5.1.2 was a security fix, so reverting is not reasonable. "The removed check look redundant - I couldn't find a code path where Private->RunningBits would exceed that limit after initialization. (Currently Private->RunningBits is checked before it is initialized)." PR: 207849 Submitted by: Stefan Ehmann <shoesoft@gmx.net> Approved by: ports-secteam (with hat) MFH: 2016Q1
-rw-r--r--graphics/giflib/Makefile2
-rw-r--r--graphics/giflib/files/patch-lib_dgif__lib.c11
2 files changed, 12 insertions, 1 deletions
diff --git a/graphics/giflib/Makefile b/graphics/giflib/Makefile
index 7f2e2ee..2fd9669 100644
--- a/graphics/giflib/Makefile
+++ b/graphics/giflib/Makefile
@@ -3,7 +3,7 @@
PORTNAME= giflib
PORTVERSION= 5.1.2
-PORTREVISION= 1
+PORTREVISION= 2
CATEGORIES= graphics
MASTER_SITES= SF/${PORTNAME}
diff --git a/graphics/giflib/files/patch-lib_dgif__lib.c b/graphics/giflib/files/patch-lib_dgif__lib.c
new file mode 100644
index 0000000..7e5060c
--- /dev/null
+++ b/graphics/giflib/files/patch-lib_dgif__lib.c
@@ -0,0 +1,11 @@
+--- lib/dgif_lib.c.orig 2016-03-06 10:52:49.090426000 +0100
++++ lib/dgif_lib.c 2016-03-06 10:53:00.938584000 +0100
+@@ -764,7 +764,7 @@
+ BitsPerPixel = CodeSize;
+
+ /* this can only happen on a severely malformed GIF */
+- if (BitsPerPixel > 8 || Private->RunningBits > 32) {
++ if (BitsPerPixel > 8) {
+ GifFile->Error = D_GIF_ERR_READ_FAILED; /* somewhat bogus error code */
+ return GIF_ERROR; /* Failed to read Code size. */
+ }
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