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SUSE:SLE-15-SP3:Update
libaom
libaom-CVE-2020-0470.patch
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File libaom-CVE-2020-0470.patch of Package libaom
--- a/av1/decoder/obu.c +++ b/av1/decoder/obu.c @@ -764,6 +764,18 @@ int aom_decode_frame_from_obus(struct AV1Decoder *pbi, const uint8_t *data, case OBU_FRAME_HEADER: case OBU_REDUNDANT_FRAME_HEADER: case OBU_FRAME: + if (obu_header.type == OBU_REDUNDANT_FRAME_HEADER) { + if (!pbi->seen_frame_header) { + cm->error.error_code = AOM_CODEC_CORRUPT_FRAME; + return -1; + } + } else { + // OBU_FRAME_HEADER or OBU_FRAME. + if (pbi->seen_frame_header) { + cm->error.error_code = AOM_CODEC_CORRUPT_FRAME; + return -1; + } + } // Only decode first frame header received if (!pbi->seen_frame_header || (cm->large_scale_tile && !pbi->camera_frame_header_ready)) {
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