Fixes: 391935573/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MMVIDEO_fuzzer-4655048979709952 Fixes: out of array access
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/mmvideo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c index 7313507debc..2a0c855992e 100644 --- a/libavcodec/mmvideo.c +++ b/libavcodec/mmvideo.c @@ -91,7 +91,7 @@ static void mm_decode_pal(MmContext *s) int start = bytestream2_get_le16(&s->gb); int count = bytestream2_get_le16(&s->gb); for (int i = 0; i < count; i++) - s->palette[start+i] = 0xFFU << 24 | (bytestream2_get_be24(&s->gb) << 2); + s->palette[(start+i)&0xFF] = 0xFFU << 24 | (bytestream2_get_be24(&s->gb) << 2); } /** -- 2.49.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
