CVE-2026-24850

crates.io/ml-dsa CVE-2026-24850: medium 5.3

ML-DSA Signature Verification Accepts Signatures with Repeated Hint Indices

Action: Upgrade ml-dsa to 0.1.0-rc.4 or later.

cargo update -p ml-dsa --precise 0.1.0-rc.4

Affected

Fixed versions

Sources

• osv: 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

CVE-2026-24850 · published 2026-01-28T16:44:47Z · modified 2026-02-03T03:06:29.257366Z · JSON