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.
Created m2crypto tracking bugs for this issue:
Affects: fedora-all [bug 1898305]
This issue has been addressed in the following products:
Red Hat Virtualization Engine 4.4
Via RHSA-2021:1169 https://access.redhat.com/errata/RHSA-2021:1169
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):