CVE-2026-22705
low-risk
Published 2026-01-10
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.
Do I need to act?
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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.4/10
Medium
ADJACENT_NETWORK
/ HIGH complexity
22
/ 100
low-risk
Severity
17/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal