CVE-2015-2141: Cryptopp Crypto++ Library

Medium severity, CVSS 5.0. EPSS: 2.9% chance of exploitation in the next 30 days.

The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.

Affected products

• Cryptopp Crypto++ Library: version 5.6.2 only
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2015-07-01. Last modified 2026-06-17.