src/tools/pkcs11-tool.c in pkcs11-tool in OpenSC 0.11.7, when used with unspecified third-party PKCS#11 modules, generates RSA keys with incorrect public exponents, which allows attackers to read the cleartext form of messages that were intended to be encrypted.
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01432.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01420.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00097.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00095.html