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authorMichael Niedermayer <michaelni@gmx.at>2007-04-27 12:41:55 +0000
committerMichael Niedermayer <michaelni@gmx.at>2007-04-27 12:41:55 +0000
commit9f1473b304ae11ee09b7ae22016c951fdce31dd2 (patch)
tree24fe400394ede4fdb693a7fadeb839fb1b4869f8 /libavcodec/dca.c
parente69364b700a6c0cb411ddc7737bc8e9e701d0cb8 (diff)
downloadffmpeg-9f1473b304ae11ee09b7ae22016c951fdce31dd2.tar.gz
fix exploitable buffer overflow
Originally committed as revision 8850 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dca.c')
-rw-r--r--libavcodec/dca.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/dca.c b/libavcodec/dca.c
index a5470073f0..1c040e21ee 100644
--- a/libavcodec/dca.c
+++ b/libavcodec/dca.c
@@ -1089,6 +1089,9 @@ static int dca_convert_bitstream(uint8_t * src, int src_size, uint8_t * dst,
uint16_t *ssrc = (uint16_t *) src, *sdst = (uint16_t *) dst;
PutBitContext pb;
+ if((unsigned)src_size > (unsigned)max_size)
+ return -1;
+
mrk = AV_RB32(src);
switch (mrk) {
case DCA_MARKER_RAW_BE: