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lavc/alac: Avoid allocating huge memory blocks for malicious alac input.

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This commit is contained in:
Carl Eugen Hoyos 2017-11-01 15:14:22 +01:00
parent 8f6c398d44
commit 3357b68bc0
1 changed files with 1 additions and 1 deletions
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2
libavcodec/alac.c
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@ -524,7 +524,7 @@ static int alac_set_info(ALACContext *alac)
alac->max_samples_per_frame = bytestream2_get_be32u(&gb); alac->max_samples_per_frame = bytestream2_get_be32u(&gb);
if (!alac->max_samples_per_frame || if (!alac->max_samples_per_frame ||
alac->max_samples_per_frame > INT_MAX / sizeof(int32_t)) { alac->max_samples_per_frame > 4096 * 4096) {
av_log(alac->avctx, AV_LOG_ERROR, av_log(alac->avctx, AV_LOG_ERROR,
"max samples per frame invalid: %"PRIu32"\n", "max samples per frame invalid: %"PRIu32"\n",
alac->max_samples_per_frame); alac->max_samples_per_frame);