{"action":"Upgrade github.com/ethereum/go-ethereum to 1.9.18 or later.","affected":[{"fixed":"1.9.18","introduced":"1.9.16"}],"component":"github.com/ethereum/go-ethereum","cve_ids":["CVE-2020-26242"],"ecosystem":"Go","epss":0.0148,"exploited":false,"fixed_versions":["1.9.18"],"ghsa_id":"GHSA-jm5c-rv3w-w83m","id":"tcs_01M5KFEDQNQKR98JDEY5Z9SZ0H","modified_at":"2026-07-08T05:59:51.548470893Z","published_at":"2021-06-29T21:13:20Z","references":["https://osv.dev/vulnerability/GHSA-jm5c-rv3w-w83m","https://github.com/ethereum/go-ethereum/security/advisories/GHSA-jm5c-rv3w-w83m","https://nvd.nist.gov/vuln/detail/CVE-2020-26242","https://github.com/holiman/uint256/pull/80","https://github.com/ethereum/go-ethereum/commit/7163a6664ee664df81b9028ab3ba13b9d65a7196","https://github.com/holiman/uint256/commit/6785da6e3eea403260a5760029e722aa4ff1716d","https://blog.ethereum.org/2020/11/12/geth_security_release","https://github.com/ethereum/go-ethereum","https://pkg.go.dev/vuln/GO-2021-0103"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-jm5c-rv3w-w83m","url":"https://osv.dev/vulnerability/GHSA-jm5c-rv3w-w83m"}],"summary":"Denial of service in geth"}