
CVE-2000-0655 – Netscape Communicator 4.x - JPEG-Comment Heap Overwrite
https://notcve.org/view.php?id=CVE-2000-0655
25 Jul 2000 — Netscape Communicator 4.73 and earlier allows remote attackers to cause a denial of service or execute arbitrary commands via a JPEG image containing a comment with an illegal field length of 1. • https://www.exploit-db.com/exploits/20098 •

CVE-2000-0517
https://notcve.org/view.php?id=CVE-2000-0517
26 May 2000 — Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote attackers to spoof a legitimate web site by compromising that site's DNS information. • http://www.cert.org/advisories/CA-2000-08.html •

CVE-2000-0406
https://notcve.org/view.php?id=CVE-2000-0406
10 May 2000 — Netscape Communicator before version 4.73 and Navigator 4.07 do not properly validate SSL certificates, which allows remote attackers to steal information by redirecting traffic from a legitimate web server to their own malicious server, aka the "Acros-Suencksen SSL" vulnerability. • http://www.acrossecurity.com/aspr/ASPR-2000-04-06-1-PUB.txt •

CVE-2000-0409 – Netscape Communicator 4.5/4.51/4.6/4.61/4.7/4.72/4.73 - '/tmp' Symlink
https://notcve.org/view.php?id=CVE-2000-0409
10 May 2000 — Netscape 4.73 and earlier follows symlinks when it imports a new certificate, which allows local users to overwrite files of the user importing the certificate. • https://www.exploit-db.com/exploits/19912 •