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-rw-r--r--libavformat/cdxl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/cdxl.c b/libavformat/cdxl.c
index 9aacadd..e675b2c 100644
--- a/libavformat/cdxl.c
+++ b/libavformat/cdxl.c
@@ -131,7 +131,8 @@ static int cdxl_read_packet(AVFormatContext *s, AVPacket *pkt)
height = AV_RB16(&cdxl->header[16]);
palette_size = AV_RB16(&cdxl->header[20]);
audio_size = AV_RB16(&cdxl->header[22]);
- if (FFALIGN(width, 16) * (uint64_t)height * cdxl->header[19] > INT_MAX)
+ if (cdxl->header[19] == 0 ||
+ FFALIGN(width, 16) * (uint64_t)height * cdxl->header[19] > INT_MAX)
return AVERROR_INVALIDDATA;
if (format == 0x20)
image_size = width * height * cdxl->header[19] / 8;
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