In the Bouncy Castle JCE Provider version 1.55 and earlier DSA signature generation is vulnerable to timing attack. Where timings can be closely observed for the generation of signatures, the lack of blinding in 1.55, or earlier, may allow an attacker to gain information about the signature’s k value and ultimately the private value as well.
access.redhat.com/errata/RHSA-2018:2669
access.redhat.com/errata/RHSA-2018:2927
github.com/advisories/GHSA-r9ch-m4fh-fc7q
github.com/bcgit/bc-java
github.com/bcgit/bc-java/commit/acaac81f96fec91ab45bd0412beaf9c3acd8defa#diff-e75226a9ca49217a7276b29242ec59ce
lists.debian.org/debian-lts-announce/2018/07/msg00009.html
nvd.nist.gov/vuln/detail/CVE-2016-1000341
security.netapp.com/advisory/ntap-20181127-0004
usn.ubuntu.com/3727-1
www.oracle.com/security-alerts/cpuoct2020.html