Critical patch for CVE-2020-28362 –
Summary Versions of geth built with Go <1.15.5 or <1.14.12 are most likely affected by a critical DoS-related security vulnerability. The golang team has registered this flaw as ‘CVE-2020-28362’. We recommend all users to rebuild (ideally v1.9.24) with Go 1.15.5 or 1.14.12, to avoid node crashes. Alternatively, if you are…

Source and More information: Geth security release