https://www.theregister.co.uk/2018/01/16/oracle_quarterly_patches_jan_2018/

Oracle has told users of its SPARC-powered platforms that they have the Spectre processor bug.

A support document buried in Oracle’s customers-only portal, but seen by The Register, states: “Oracle believes that certain versions of Oracle Solaris on SPARCv9 are affected by the Spectre vulnerabilities.”