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* rocDecode/HEVC error resilience: Fixed a vulnerability with active PPS id. We should not assign the current active PPS id to an invalid value. (#529)

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jeffqjiangNew
2025-03-12 17:49:52 -04:00
committed by GitHub
parent 2b4228a824
commit ac74540c19
1 changed files with 3 additions and 2 deletions
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src/parser/hevc_parser.cpp
+3 -2
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@@ -1539,8 +1539,9 @@ ParserResult HevcVideoParser::ParseSliceHeader(uint8_t *nalu, size_t size, HevcS
}
// Set active VPS, SPS and PPS for the current slice
m_active_pps_id_ = Parser::ExpGolomb::ReadUe(nalu, offset);
CHECK_ALLOWED_MAX("active_pps_id", m_active_pps_id_, (MAX_PPS_COUNT - 1));
int32_t active_pps_id = Parser::ExpGolomb::ReadUe(nalu, offset);
CHECK_ALLOWED_MAX("active_pps_id", active_pps_id, (MAX_PPS_COUNT - 1));
m_active_pps_id_ = active_pps_id;
temp_sh.slice_pic_parameter_set_id = p_slice_header->slice_pic_parameter_set_id = m_active_pps_id_;
pps_ptr = &pps_list_[m_active_pps_id_];
if ( pps_ptr->is_received == 0) {