Vulnerability in Rustcrypto Signatures
CVE-2026-24850
The ML-DSA crate is a Rust implementation of the Module-Lattice-Based Digital Signature Standard (ML-DSA). Starting in version 0.0.4 and prior to version 0.1.0-rc.4, the ML-DSA signature verification implementation in the RustCrypto `ml-ds…
EPSS: 0.000 (4.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Rustcrypto Signatures — versions >= 0.0.4, < 0.1.0-rc.4
Weakness classification (CWE)
References
- https://github.com/RustCrypto/signatures/security/advisories/GHSA-5x2r-hc65-25f9 (x_refsource_CONFIRM)
- https://github.com/RustCrypto/signatures/issues/894 (x_refsource_MISC)
- https://github.com/RustCrypto/signatures/pull/895 (x_refsource_MISC)
- https://github.com/RustCrypto/signatures/commit/400961412be2e2ab787942cf30e0a9b66b37a54a (x_refsource_MISC)
- https://github.com/RustCrypto/signatures/commit/b01c3b73dd08d0094e089aa234f78b6089ec1f38 (x_refsource_MISC)
- https://csrc.nist.gov/pubs/fips/204/final (x_refsource_MISC)
- https://datatracker.ietf.org/doc/html/rfc9881 (x_refsource_MISC)
- https://github.com/C2SP/wycheproof (x_refsource_MISC)
- https://github.com/C2SP/wycheproof/blob/master/testvectors_v1/mldsa_44_verify_test.json (x_refsource_MISC)
- https://github.com/C2SP/wycheproof/blob/master/testvectors_v1/mldsa_65_verify_test.json (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-24850?
- CVE-2026-24850 is a medium-severity vulnerability in Rustcrypto Signatures, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.3/10. Published 2026-01-28.
- How severe is CVE-2026-24850?
- Medium severity. CVSS v3 base score is 5.3 out of 10.