PT-2026-6401 · Crates.Io · Rsa

Published 2026-01-06 · Updated 2026-01-06

OSV

CVSS v4.0

2.7

Low

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

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.

Fix

Weakness Enumeration

CWE-703

Related Identifiers

GHSA-9C48-W39G-HM26

Affected Products

Rsa

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-21895 · Security Note
• https://osv.dev/vulnerability/GHSA-9c48-w39g-hm26 · Vendor Advisory
• https://github.com/RustCrypto/RSA/security/advisories/GHSA-9c48-w39g-hm26 · Note
• https://github.com/RustCrypto/RSA/commit/2926c91bef7cb14a7ccd42220a698cf4b1b692f7 · Note
• https://github.com/RustCrypto/RSA · Note