{"id":"CVE-2022-47931","aliases":["EUVD-2022-7605","GHSA-cvcx-g7wh-x8rf","GO-2023-1904"],"status":"published","title":"Collision of hash values in github.com/bnb-chain/tss-lib","description":"IO FinNet tss-lib before 2.0.0 allows a collision of hash values.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00492,"percentile":0.42705,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-326","CWE-327"],"published":"2022-12-22T00:00:00Z","modified":"2026-06-17T05:14:27Z","fixes":[{"ecosystem":"Go","package":"github.com/bnb-chain/tss-lib","fixed_in":["1.3.6-0.20230324145555-bb6fb30bd3eb"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/bnb-chain/tss-lib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-0.20230324145555-bb6fb30bd3eb"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/bnb-chain/tss-lib","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.6-0.20230324145555-bb6fb30bd3eb"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/bnb-chain/tss-lib","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.6-0.20230324145555-bb6fb30bd3eb"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/binance-chain/tss-lib","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]}],"products":[{"vendor":"iofinnet","product":"tss-lib"}],"references":[{"url":"https://github.com/IoFinnet/tss-lib/releases/tag/v2.0.0","tags":["x_transferred","Release 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Advisory"]},{"url":"https://medium.com/%40iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155b","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-47931","tags":["advisory"]},{"url":"https://medium.com/@iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155b","tags":["web","advisory"]},{"url":"https://github.com/bnb-chain/tss-lib/pull/233","tags":["web","fix"]},{"url":"https://github.com/IoFinnet/threshlib/commit/369ec50be1437588a9733443bcb2f15b794601d4","tags":["web"]},{"url":"https://github.com/bnb-chain/tss-lib/commit/bb6fb30bd3ebd35c755109836aa1a5ee6126c8a0","tags":["web"]},{"url":"https://github.com/IoFinnet/threshlib/releases/tag/v2.0.0","tags":["web"]},{"url":"https://github.com/golang/vulndb/blob/master/data/reports/GO-2023-1904.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-cvcx-g7wh-x8rf"},{"url":"https://github.com/bnb-chain/tss-lib","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-47931","description":"IO 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