Netscape Enterprise 3.5.1 and FastTrack 3.01 servers allow a remote attacker to view source code to scripts by appending a %20 to the script's URL.

When Javascript is embedded within the TITLE tag, Netscape Communicator allows a remote attacker to use the "about" protocol to gain access to browser information.

A remote attacker can read information from a Netscape user's cache via JavaScript.

The Netscape Directory Server installation procedure leaves sensitive information in a file that is accessible to local users.

Netscape Communicator 4.x with Javascript enabled does not warn a user of cookie settings, even if they have selected the option to "Only accept cookies originating from the same server as the page being viewed".

By default, Internet Explorer 5.0 and other versions enables the "Navigate sub-frames across different domains" option, which allows frame spoofing.

Buffer overflow in Netscape Enterprise Server and Netscape FastTrack Server allows remote attackers to gain privileges via the HTTP Basic Authentication procedure.

ucbmail allows remote attackers to execute commands via shell metacharacters that are passed to it from INN.

Internet Explorer 3.x to 4.01 allows a remote attacker to insert malicious content into a frame of another web site, aka frame spoofing.

Buffer overflow in Netscape Communicator before 4.7 via a dynamic font whose length field is less than the size of the font.

Buffer overflow in Netscape Enterprise Server and FastTrask Server allows remote attackers to gain privileges via a long HTTP GET request.

Netscape Communicator 4.7 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long certificate key.

Denial of service in Netscape Enterprise Server (NES) in HP Virtual Vault (VVOS) via a long URL.

The view-source CGI program allows remote attackers to read arbitrary files via a .. (dot dot) attack.

Buffer overflow in Netscape Navigator/Communicator 4.7 for Windows 95 and Windows 98 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long argument after the ? character in a URL that references an .asp, .cgi, .html, or .pl file.

Java in Netscape 4.5 does not properly restrict applets from connecting to other hosts besides the one from which the applet was loaded, which violates the Java security model and could allow remote attackers to conduct unauthorized activities.

Netscape Communicator 4.04 through 4.7 (and possibly other versions) in various UNIX operating systems converts the 0x8b character to a "<" sign, and the 0x9b character to a ">" sign, which could allow remote attackers to attack other clients via cross-site scripting (CSS) in CGI programs that do not filter these characters.

Netscape Messaging Server 3.54, 3.55, and 3.6 allows a remote attacker to cause a denial of service (memory exhaustion) via a series of long RCPT TO commands.

Netscape 4.7 records user passwords in the preferences.js file during an IMAP or POP session, even if the user has not enabled "remember passwords."

Default configuration of the search engine in Netscape Enterprise Server 3.5.1, and possibly other versions, allows remote attackers to read the source of JHTML files by specifying a search command using the HTML-tocrec-demo1.pat pattern file.