{"action":"Upgrade ml-dsa to 0.1.0-rc.4 or later.","affected":[{"fixed":"0.1.0-rc.4","introduced":"0.0.4"}],"component":"ml-dsa","cve_ids":["CVE-2026-24850"],"ecosystem":"crates.io","epss":0.00335,"exploited":false,"fixed_versions":["0.1.0-rc.4"],"ghsa_id":"GHSA-5x2r-hc65-25f9","id":"tcs_01M5KETAVGRXC7MDCKRMETR950","modified_at":"2026-02-03T03:06:29.257366Z","published_at":"2026-01-28T16:44:47Z","references":["https://osv.dev/vulnerability/GHSA-5x2r-hc65-25f9","https://github.com/RustCrypto/signatures/security/advisories/GHSA-5x2r-hc65-25f9","https://nvd.nist.gov/vuln/detail/CVE-2026-24850","https://github.com/RustCrypto/signatures/issues/894","https://github.com/RustCrypto/signatures/pull/895","https://github.com/RustCrypto/signatures/commit/400961412be2e2ab787942cf30e0a9b66b37a54a","https://github.com/RustCrypto/signatures/commit/b01c3b73dd08d0094e089aa234f78b6089ec1f38","https://csrc.nist.gov/pubs/fips/204/final","https://datatracker.ietf.org/doc/html/rfc9881","https://github.com/C2SP/wycheproof","https://github.com/C2SP/wycheproof/blob/master/testvectors_v1/mldsa_44_verify_test.json","https://github.com/C2SP/wycheproof/blob/master/testvectors_v1/mldsa_65_verify_test.json","https://github.com/C2SP/wycheproof/blob/master/testvectors_v1/mldsa_87_verify_test.json","https://github.com/RustCrypto/signatures"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-5x2r-hc65-25f9","url":"https://osv.dev/vulnerability/GHSA-5x2r-hc65-25f9"}],"summary":"ML-DSA Signature Verification Accepts Signatures with Repeated Hint Indices"}