CVE-2026-21895 is a low severity vulnerability with a CVSS score of 0.0. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
When creating a RSA private key from its components, the construction panics, instead of returning an error, when one of the primes is 1.
Discovered by Christian Reitter from Radically Open Security during a security review for Proton AG.