Threshold value is ignored (all shares are n=3)
Priority LOW 38Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
Affected versions of this crate did not properly calculate secret shares requirements. This reduces the security of the algorithm by restricting the crate to always using a threshold value of three, rather than a configurable limit. The flaw was corrected by correctly configuring the threshold.
Why it matters now
Fix Fixed shamir (crates.io): 2.0.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | shamir (crates.io) | before 2.0.0 | 2.0.0 | Patch available | GHSA-978j-88f3-p5j3 |
- shamir (crates.io) Vendor— Affected before 2.0.0 Fixed in 2.0.0 Patch available GHSA-978j-88f3-p5j3
Remediation
- Fix · GHSA-978j-88f3-p5j3 shamir (crates.io) Fixed in 2.0.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-978j-88f3-p5j3
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences