GitHub Advisoryadvisory · crates.io

GHSA-9c48-w39g-hm26 rsa crate has potential panic on a prime being equal to 1

LOW Published 2026-01-06 Modified 2026-01-08 Official page ↗
Aliases
CVE-2026-21895
Ecosystem
crates.io
Packages
rsa
Severity
Low
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
Weaknesses
CWE-703
Reviewed
2026-01-06

Affected packages

• crates.io rsa: < 0.9.10 → fixed in 0.9.10

Description

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.

Related

Alias · CVE (1)

  • CVE-2026-21895 The `rsa` crate is an RSA implementation written in rust. vulnerability

Weakness · CWE (1)

  • CWE-703 Improper Check or Handling of Exceptional Conditions weakness

References