diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c index e7f03bd0df..8e90980976 100644 --- a/libavcodec/jpeg2000.c +++ b/libavcodec/jpeg2000.c @@ -541,6 +541,9 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp, if (!reslevel->band) return AVERROR(ENOMEM); + if (reslevel->num_precincts_x * (uint64_t)reslevel->num_precincts_y * reslevel->nbands > avctx->max_pixels / sizeof(*reslevel->band->prec)) + return AVERROR(ENOMEM); + for (bandno = 0; bandno < reslevel->nbands; bandno++, gbandno++) { ret = init_band(avctx, reslevel, comp, codsty, qntsty,