On Thu, May 08, 2025 at 11:57:32PM +0200, Michael Niedermayer wrote: > 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); > } >
please apply -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
_______________________________________________ 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".
