CVE-2026-21895
Medium
Description
The `rsa` crate is an RSA implementation written in rust. Prior to version 0.9.10, when creating a RSA private key from its components, the construction panics instead of returning an error when one of the primes is `1`. Version 0.9.10 fixes the issue.
SeverityMedium
CVSS5.3
Exploit probability—
ProductRustcrypto Rsa
PublishedJan 8, 2026
First seenJan 8, 2026
Weakness typeCWE-703CWE-703
How to fix
Update
- rustcrypto rsa0.9.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rustcrypto rsa | v < 0.9.10 | 0.9.10 |
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