Provide references for CVE-2019-12420.
Where can I find more information about CVE-2019-12420?
References are available at: https://lists.apache.org/thread.html/64cf76749956dd08f7d5b86ec9f3321f382cfd7fe717ccd1be940c92%40%3Cannounce.spamassassin.apache.org%3E, https://lists.apache.org/thread.html/e3c2367351286b77a74a082e2b66b793cceefa7b6ea9dcd162db4c4b%40%3Cdev.spamassassin.apache.org%3E, https://lists.apache.org/thread.html/5ef362d6da12126fafc81443309ca95d872d1bfd011fe4b2699f0fe9%40%3Cusers.spamassassin.apache.org%3E, http://www.openwall.com/lists/oss-security/2019/12/12/2, https://lists.apache.org/thread.html/5863d6c42fc9595a29566732f12348cde0ca0e41bda91695c62041de%40%3Cannounce.apache.org%3E, https://svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt, https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7747, https://www.debian.org/security/2019/dsa-4584, https://seclists.org/bugtraq/2019/Dec/27, https://lists.debian.org/debian-lts-announce/2019/12/msg00019.html, https://usn.ubuntu.com/4237-1/, https://usn.ubuntu.com/4237-2/, https://lists.apache.org/thread.html/r2578c486552637bfedbe624940cc60d6463bd90044c887bdebb75e74%40%3Cusers.spamassassin.apache.org%3E, https://lists.apache.org/thread.html/r3d32ebf97b1245b8237763444e911c4595d2ad5e34a1641840d8146f%40%3Cusers.spamassassin.apache.org%3E.