Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

CVEs (12,815)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2002-2338 2Mozilla Netscape 3Communicator MozillaNavigator Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 5.0 MEDIUM· v2 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 i...Show more 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.Show less
CVE-2002-2329 1Mirabilis 1Icq Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 7.8 HIGH· v2 ICQ client 2001b, 2002a and 2002b allows remote attackers to cause a denial of service (CPU consumption or crash) via a message with a large number of emoticons.
CVE-2002-2328 1Microsoft 1Windows 2000 Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 7.1 HIGH· v2 Active Directory in Windows 2000, when supporting Kerberos V authentication and GSSAPI, allows remote attackers to cause a denial of service (hang) via an LDAP client that sets the page length to zero during a large requ...Show more Active Directory in Windows 2000, when supporting Kerberos V authentication and GSSAPI, allows remote attackers to cause a denial of service (hang) via an LDAP client that sets the page length to zero during a large request.Show less
CVE-2002-2325 1University Of Washington 1Pine Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 7.8 HIGH· v2 The c-client library in Internet Message Access Protocol (IMAP) dated before 2002 RC2, as used by Pine 4.20 through 4.44, allows remote attackers to cause a denial of service (client crash) via a MIME-encoded email with...Show more The c-client library in Internet Message Access Protocol (IMAP) dated before 2002 RC2, as used by Pine 4.20 through 4.44, allows remote attackers to cause a denial of service (client crash) via a MIME-encoded email with Content-Type header containing an empty boundary field.Show less
CVE-2002-2322 1Ultimate Php Board 1Ultimate Php Board Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 5.0 MEDIUM· v2 Ultimate PHP Board (UPB) 1.0b stores the users.dat data file under the web root with insufficient access control, which allows remote attackers to obtain usernames and passwords.
CVE-2002-2314 1Mozilla 1Mozilla Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 5.0 MEDIUM· v2 Mozilla 1.0 allows remote attackers to steal cookies from other domains via a javascript: URL with a leading "//" and ending in a newline, which causes the host/path check to fail.
CVE-2002-2239 1Cisco 1Ios Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 7.8 HIGH· v2 The Cisco Optical Service Module (OSM) for the Catalyst 6500 and 7600 series running Cisco IOS 12.1(8)E through 12.1(13.4)E allows remote attackers to cause a denial of service (hang) via a malformed packet.
CVE-2002-2237 1Tftp 1Tftp Server Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 5.0 MEDIUM· v2 tftp32 TFTP server 2.21 and earlier allows remote attackers to cause a denial of service via a GET request with a DOS device name such as com1 or aux.
CVE-2002-2236 1Apt Www Proxy 1Apt Www Proxy Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 10.0 HIGH· v2 Format string vulnerability in the awp_log function in apt-www-proxy 0.1 allows remote attackers to execute arbitrary code.
CVE-2002-2228 1Mailscanner 1Mailscanner Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 6.4 MEDIUM· v2 MailScanner before 4.0 5-1 and before 3.2 6-1 allows remote attackers to bypass protection via attachments with a filename with (1) extra leading spaces, (2) extra trailing spaces, or (3) alternate character encodings th...Show more MailScanner before 4.0 5-1 and before 3.2 6-1 allows remote attackers to bypass protection via attachments with a filename with (1) extra leading spaces, (2) extra trailing spaces, or (3) alternate character encodings that cannot be processed by MailScanner.Show less
CVE-2002-1979 1Watchguard 3Legacy Rssa SohoVclass Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 7.5 HIGH· v2 WatchGuard SOHO products running firmware 5.1.6 and earlier, and Vclass/RSSA using 3.2 SP1 and earlier, allows remote attackers to bypass firewall rules by sending a PASV command string as the argument of another command...Show more WatchGuard SOHO products running firmware 5.1.6 and earlier, and Vclass/RSSA using 3.2 SP1 and earlier, allows remote attackers to bypass firewall rules by sending a PASV command string as the argument of another command to an FTP server, which generates a response that contains the string, causing IPFilter to treat the response as if it were a legitimate PASV command from the server.Show less
CVE-2002-1874 1Astrocam 1Astrocam Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 10.0 HIGH· v2 astrocam.cgi in AstroCam 0.9-1-1 through 1.4.0 allows remote attackers to execute arbitrary commands via shell metacharacters in an HTTP request. NOTE: earlier disclosures stated that the affected versions were 1.7.1 th...Show more astrocam.cgi in AstroCam 0.9-1-1 through 1.4.0 allows remote attackers to execute arbitrary commands via shell metacharacters in an HTTP request. NOTE: earlier disclosures stated that the affected versions were 1.7.1 through 2.1.2, but the vendor explicitly stated that these were incorrect.Show less
CVE-2002-1663 1Monkey Project 1Monkey Apr 16, 2026 Dec 31, 2002 N/A· v4 N/A· v3 5.0 MEDIUM· v2 The Post_Method function in method.c for Monkey HTTP Daemon before 0.5.1 allows remote attackers to cause a denial of service (crash) via a POST request with an invalid or missing Content-Length header value.
CVE-2002-1360 7Cisco FisshIntersoft+4 more 7Ios PuttySecurenetterm+4 more Apr 16, 2026 Dec 23, 2002 N/A· v4 N/A· v3 10.0 HIGH· v2 Multiple SSH2 servers and clients do not properly handle strings with null characters in them when the string length is specified by a length field, which could allow remote attackers to cause a denial of service or poss...Show more Multiple SSH2 servers and clients do not properly handle strings with null characters in them when the string length is specified by a length field, which could allow remote attackers to cause a denial of service or possibly execute arbitrary code due to interactions with the use of null-terminated strings as implemented using languages such as C, as demonstrated by the SSHredder SSH protocol test suite.Show less
CVE-2002-1359 7Cisco FisshIntersoft+4 more 7Ios PuttySecurenetterm+4 more Apr 16, 2026 Dec 23, 2002 N/A· v4 N/A· v3 10.0 HIGH· v2 Multiple SSH2 servers and clients do not properly handle large packets or large fields, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code via buffer overflow attacks, as dem...Show more Multiple SSH2 servers and clients do not properly handle large packets or large fields, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code via buffer overflow attacks, as demonstrated by the SSHredder SSH protocol test suite.Show less
CVE-2002-1358 7Cisco FisshIntersoft+4 more 7Ios PuttySecurenetterm+4 more Apr 16, 2026 Dec 23, 2002 N/A· v4 N/A· v3 10.0 HIGH· v2 Multiple SSH2 servers and clients do not properly handle lists with empty elements or strings, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHr...Show more Multiple SSH2 servers and clients do not properly handle lists with empty elements or strings, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.Show less
CVE-2002-1175 1Fetchmail 1Fetchmail Apr 16, 2026 Oct 11, 2002 N/A· v4 N/A· v3 5.0 MEDIUM· v2 The getmxrecord function in Fetchmail 6.0.0 and earlier does not properly check the boundary of a particular malformed DNS packet from a malicious DNS server, which allows remote attackers to cause a denial of service (c...Show more The getmxrecord function in Fetchmail 6.0.0 and earlier does not properly check the boundary of a particular malformed DNS packet from a malicious DNS server, which allows remote attackers to cause a denial of service (crash) when Fetchmail attempts to read data beyond the expected boundary.Show less
CVE-2002-0146 1Fetchmail 1Fetchmail Apr 16, 2026 Jun 25, 2002 N/A· v4 N/A· v3 5.0 MEDIUM· v2 fetchmail email client before 5.9.10 does not properly limit the maximum number of messages available, which allows a remote IMAP server to overwrite memory via a message count that exceeds the boundaries of an array.
CVE-2001-1584 1Michael Barretto 1Cardboard Apr 16, 2026 Dec 31, 2001 N/A· v4 N/A· v3 7.5 HIGH· v2 CardBoard 2.4 greeting card CGI by Michael Barretto allows remote attackers to execute arbitrary commands via shell metacharacters in the recipient field.
CVE-2001-0748 1Acme Labs 1Acme Server Apr 16, 2026 Oct 18, 2001 N/A· v4 N/A· v3 5.0 MEDIUM· v2 Acme.Serve 1.7, as used in Cisco Secure ACS Unix and possibly other products, allows remote attackers to read arbitrary files by prepending several / (slash) characters to the URI.

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