summaryrefslogtreecommitdiff
path: root/multimedia/mythtv/files/patch-CVE-2017-09992
diff options
context:
space:
mode:
Diffstat (limited to 'multimedia/mythtv/files/patch-CVE-2017-09992')
-rw-r--r--multimedia/mythtv/files/patch-CVE-2017-0999229
1 files changed, 29 insertions, 0 deletions
diff --git a/multimedia/mythtv/files/patch-CVE-2017-09992 b/multimedia/mythtv/files/patch-CVE-2017-09992
new file mode 100644
index 000000000000..fe00c512b13d
--- /dev/null
+++ b/multimedia/mythtv/files/patch-CVE-2017-09992
@@ -0,0 +1,29 @@
+From 536af4212100dee1577fe2d30814762c58038efc Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Fri, 5 May 2017 20:42:11 +0200
+Subject: [PATCH] avcodec/dfa: Fix off by 1 error
+
+Fixes out of array access
+Fixes: 1345/clusterfuzz-testcase-minimized-6062963045695488
+
+Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+(cherry picked from commit f52fbf4f3ed02a7d872d8a102006f29b4421f360)
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+---
+ libavcodec/dfa.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git libavcodec/dfa.c libavcodec/dfa.c
+index f45d019a792..5ddb647c4cb 100644
+--- external/FFmpeg/libavcodec/dfa.c
++++ external/FFmpeg/libavcodec/dfa.c
+@@ -175,7 +175,7 @@ static int decode_dds1(GetByteContext *gb, uint8_t *frame, int width, int height
+ return AVERROR_INVALIDDATA;
+ frame += v;
+ } else {
+- if (frame_end - frame < width + 3)
++ if (frame_end - frame < width + 4)
+ return AVERROR_INVALIDDATA;
+ frame[0] = frame[1] =
+ frame[width] = frame[width + 1] = bytestream2_get_byte(gb);