{"action":"Upgrade github.com/tendermint/tendermint to 0.34.3 or later.","affected":[{"fixed":"0.34.3","introduced":"0.34.0"}],"component":"github.com/tendermint/tendermint","cve_ids":["CVE-2021-21271"],"ecosystem":"Go","epss":0.01763,"exploited":false,"fixed_versions":["0.34.3"],"ghsa_id":"GHSA-p658-8693-mhvg","id":"tcs_01M5KFGZR40ZST6J0BNHPFNQXD","modified_at":"2026-07-08T06:00:48.968459280Z","published_at":"2022-10-07T07:23:51Z","references":["https://osv.dev/vulnerability/GHSA-p658-8693-mhvg","https://github.com/tendermint/tendermint/security/advisories/GHSA-p658-8693-mhvg","https://nvd.nist.gov/vuln/detail/CVE-2021-21271","https://github.com/tendermint/tendermint/pull/5219","https://github.com/tendermint/tendermint/commit/a2a6852ab99e4a0f9e79f0ea8c1726e262e25c76","https://github.com/tendermint/tendermint","https://github.com/tendermint/tendermint/blob/v0.34.3/CHANGELOG.md#v0.34.3","https://pkg.go.dev/vuln/GO-2022-1052"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-p658-8693-mhvg","url":"https://osv.dev/vulnerability/GHSA-p658-8693-mhvg"}],"summary":"Tendermint Core vulnerable to Uncontrolled Resource Consumption"}