All released versions of m2crypto are vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
This Moderate severity flaw is Out of Support Scope for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. To learn more about product support scopes for Red Hat Enterprise Linux, please see https://access.redhat.com/support/policy/updates/errata/ .
Created m2crypto tracking bugs for this issue:
Affects: fedora-all [bug 1898305]