CVE-2026-22705
Medium
Description
RustCrypto: Signatures offers support for digital signatures, which provide authentication of data using public-key cryptography. Prior to version 0.1.0-rc.2, a timing side-channel was discovered in the Decompose algorithm which is used during ML-DSA signing to generate hints for the signature. This issue has been patched in version 0.1.0-rc.2.
SeverityMedium
CVSS6.4
Exploit probability—
ProductRustcrypto Signatures
PublishedJan 10, 2026
First seenJan 10, 2026
Weakness typeCWE-1240CWE-1240
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| RustCrypto signatures | < 0.1.0-rc.2 | — |
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