Symonds, one of the greatest all-rounders to represent the country, played 26 Tests, 198 ODIs and 14 T20Is for Australia and was a two-time World Cup winner.
According to a report in NewsCorp, Symonds' family issued a statement "confirming his passing, and appreciated peoples' sympathy and best wishes, and asked that their privacy be respected".
While Symonds' Test career did not touch the highs of his ODI achievements, he scored 1462 runs with two centuries and 10 fifties.