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ffmpeg.20471
ffmpeg-CVE-2018-13305.patch
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File ffmpeg-CVE-2018-13305.patch of Package ffmpeg.20471
diff --git a/libavcodec/vc1_block.c b/libavcodec/vc1_block.c index f9f26f7..3d89207 100644 --- a/libavcodec/vc1_block.c +++ b/libavcodec/vc1_block.c @@ -188,7 +188,7 @@ static void vc1_put_signed_blocks_clamped(VC1Context *v) mquant = v->altpq; \ if ((edges&8) && s->mb_y == (s->mb_height - 1)) \ mquant = v->altpq; \ - if (!mquant || mquant > 31) { \ + if (!mquant || mquant > 31 || mquant < -31) { \ av_log(v->s.avctx, AV_LOG_ERROR, \ "Overriding invalid mquant %d\n", mquant); \ mquant = 1; \
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