The POP3 mail client in Mozilla 1.0 and earlier, and Netscape Communicator 4.7 and earlier, allows remote attackers to cause a denial of service (no new mail) via a mail message containing a dot (.) at a newline, which is interpreted as the end of the message.
Max CVSS
5.0
EPSS Score
3.06%
Published
2002-12-31
Updated
2008-09-05
Netscape Communicator 6.2.1 allows remote attackers to cause a denial of service in client browsers via a webpage containing a recursive META refresh tag where the content tag is blank and the URL tag references itself.
Max CVSS
5.0
EPSS Score
0.20%
Published
2002-12-31
Updated
2008-09-05
Netscape Communicator 4.0 through 4.79 allows remote attackers to bypass JVM security and execute arbitrary Java code via an applet that loads user-supplied Java classes.
Max CVSS
6.4
EPSS Score
0.40%
Published
2002-12-31
Updated
2017-07-29
Buffer overflow in the sun.awt.windows.WDefaultFontCharset Java class implementation in Netscape 4.0 allows remote attackers to execute arbitrary code via an applet that calls the WDefaultFontCharset constructor with a long string and invokes the canConvert method.
Max CVSS
10.0
EPSS Score
3.50%
Published
2002-12-31
Updated
2017-07-29
Mozilla 0.9.6 and earlier and Netscape 6.2 and earlier allows remote attackers to steal cookies from another domain via a link with a hex-encoded null character (%00) followed by the target domain.
Max CVSS
5.0
EPSS Score
0.22%
Published
2002-12-31
Updated
2008-09-05
Buffer overflow in Composer in Netscape 4.77 allows local users to overwrite process memory and execute arbitrary code via a font tag with a long face attribute.
Max CVSS
4.6
EPSS Score
0.04%
Published
2002-12-31
Updated
2017-07-11
Netscape Communicator 4.x allows attackers to use a link to steal a user's preferences, including potentially sensitive information such as URL history, e-mail address, and possibly the e-mail password, by redefining the user_pref() function and accessing the prefs.js file, which is stored in a directory with a predictable name.
Max CVSS
5.0
EPSS Score
0.36%
Published
2002-11-29
Updated
2008-09-10
Buffer overflow in Netscape 6 and Mozilla 1.0 RC1 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long channel name in an IRC URI.
Max CVSS
7.5
EPSS Score
1.29%
Published
2002-06-18
Updated
2008-09-05
Netscape 4.79 and earlier for MacOS allows an attacker with access to the browser to obtain passwords from form fields by printing the document into which the password has been typed, which is printed in cleartext.
Max CVSS
2.1
EPSS Score
0.06%
Published
2001-11-21
Updated
2017-10-10
Netscape Communicator before 4.77 allows remote attackers to execute arbitrary Javascript via a GIF image whose comment contains the Javascript.
Max CVSS
7.5
EPSS Score
8.40%
Published
2001-08-02
Updated
2017-10-10
Buffer overflow in the HTML parser for Netscape 4.75 and earlier allows remote attackers to execute arbitrary commands via a long password value in a form field.
Max CVSS
7.5
EPSS Score
0.94%
Published
2001-01-09
Updated
2017-10-10
Netscape Communicator does not properly prevent a ServerSocket object from being created by untrusted entities, which allows remote attackers to create a server on the victim's system via a malicious applet, as demonstrated by Brown Orifice.
Max CVSS
7.5
EPSS Score
3.81%
Published
2000-10-20
Updated
2008-09-05
Netscape Communicator and Navigator 4.04 through 4.74 allows remote attackers to read arbitrary files by using a Java applet to open a connection to a URL using the "file", "http", "https", and "ftp" protocols, as demonstrated by Brown Orifice.
Max CVSS
5.0
EPSS Score
1.07%
Published
2000-10-20
Updated
2008-09-10
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.
Max CVSS
5.0
EPSS Score
1.35%
Published
2000-07-25
Updated
2008-09-10
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.
Max CVSS
5.0
EPSS Score
0.41%
Published
2000-05-26
Updated
2017-10-10
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.
Max CVSS
3.7
EPSS Score
0.04%
Published
2000-05-10
Updated
2008-09-10
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.
Max CVSS
2.6
EPSS Score
0.59%
Published
2000-05-10
Updated
2008-09-10
Netscape Mail Notification (nsnotify) utility in Netscape Communicator uses IMAP without SSL, even if the user has set a preference for Communicator to use an SSL connection, allowing a remote attacker to sniff usernames and passwords in plaintext.
Max CVSS
5.0
EPSS Score
0.56%
Published
2000-01-12
Updated
2016-10-18
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."
Max CVSS
5.0
EPSS Score
0.87%
Published
1999-12-22
Updated
2022-08-17
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.
Max CVSS
7.5
EPSS Score
0.73%
Published
1999-10-05
Updated
2016-10-18
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.
Max CVSS
5.1
EPSS Score
0.43%
Published
1997-08-01
Updated
2017-10-10
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.
Max CVSS
2.6
EPSS Score
0.13%
Published
1999-10-28
Updated
2017-10-10
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.
Max CVSS
7.5
EPSS Score
0.76%
Published
1999-11-24
Updated
2017-10-10
Netscape Navigator uses weak encryption for storing a user's Netscape mail password.
Max CVSS
5.0
EPSS Score
0.22%
Published
2000-01-12
Updated
2016-10-18
Buffer overflow in Netscape Communicator before 4.7 via a dynamic font whose length field is less than the size of the font.
Max CVSS
4.6
EPSS Score
0.04%
Published
1999-12-24
Updated
2022-08-17
35 vulnerabilities found
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