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CWE-20

13,702 CVEs • Abstraction: Class • Likelihood of Exploit: High

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.

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CVEs (13,702)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Apple
Google
4Chrome
Iphone OsItunes+1 more
Apr 29, 2026
Mar 25, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
Google Chrome before 10.0.648.204 does not properly handle SVG text, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer....Show more
Google Chrome before 10.0.648.204 does not properly handle SVG text, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer."Show less
2Apple
Google
3Chrome
Iphone OsSafari
Apr 29, 2026
Mar 25, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
WebKit, as used in Google Chrome before 10.0.648.204 and Apple Safari before 5.0.6, does not properly handle node parentage, which allows remote attackers to cause a denial of service (DOM tree corruption), conduct cross...Show more
WebKit, as used in Google Chrome before 10.0.648.204 and Apple Safari before 5.0.6, does not properly handle node parentage, which allows remote attackers to cause a denial of service (DOM tree corruption), conduct cross-site scripting (XSS) attacks, or possibly have unspecified other impact via unknown vectors.Show less
1Google
1Chrome
Apr 29, 2026
Mar 25, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
Google Chrome before 10.0.648.204 does not properly handle Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown ve...Show more
Google Chrome before 10.0.648.204 does not properly handle Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer."Show less
1Nicholas Thompson
1Relevant Content
Apr 29, 2026
Mar 23, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Relevant Content module 5.x before 5.x-1.4 and 6.x before 6.x-1.5 for Drupal does not properly implement node access logic, which allows remote attackers to discover restricted node titles and relationships.
1Apple
3Installer
Mac Os XMac Os X Server
Apr 29, 2026
Mar 23, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Install Helper in Installer in Apple Mac OS X before 10.6.7 does not properly process an unspecified URL, which might allow remote attackers to track user logins by logging network traffic from an agent that was intended...Show more
Install Helper in Installer in Apple Mac OS X before 10.6.7 does not properly process an unspecified URL, which might allow remote attackers to track user logins by logging network traffic from an agent that was intended to send network traffic to an Apple server.Show less
1Apple
2Mac Os X
Mac Os X Server
Apr 29, 2026
Mar 23, 2011
N/A· v4
N/A· v3
7.2 HIGH· v2
The i386_set_ldt system call in the kernel in Apple Mac OS X before 10.6.7 does not properly handle call gates, which allows local users to gain privileges via vectors involving the creation of a call gate entry.
1Kerio
2Connect
Kerio Mailserver
Apr 29, 2026
Mar 22, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sendi...Show more
The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411. NOTE: some of these details are obtained from third party information.Show less
1Ibm
1Lotus Quickr
Apr 29, 2026
Mar 22, 2011
N/A· v4
N/A· v3
3.5 LOW· v2
IBM Lotus Quickr 8.1 before 8.1.0.2 services for Lotus Domino does not properly handle URLs that request images, which allows remote authenticated users to cause a denial of service (daemon crash) via a request to resour...Show more
IBM Lotus Quickr 8.1 before 8.1.0.2 services for Lotus Domino does not properly handle URLs that request images, which allows remote authenticated users to cause a denial of service (daemon crash) via a request to resources.nsf, aka SPR XFXF7JDBCX.Show less
1Php
1Php
Apr 29, 2026
Mar 20, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a ziparchive stream that is not properly handled by the stream_get_contents function.
1Otrs
1Otrs
Apr 29, 2026
Mar 18, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Open Ticket Request System (OTRS) before 2.3.6 does not properly handle e-mail messages in which the From line contains UTF-8 characters associated with diacritical marks and an invalid charset, which allows remote attac...Show more
Open Ticket Request System (OTRS) before 2.3.6 does not properly handle e-mail messages in which the From line contains UTF-8 characters associated with diacritical marks and an invalid charset, which allows remote attackers to cause a denial of service (duplicate tickets and duplicate auto-responses) by sending a crafted message to a POP3 mailbox.Show less
1Otrs
1Otrs
Apr 29, 2026
Mar 18, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The AgentTicketForward feature in Open Ticket Request System (OTRS) before 2.4.7 does not properly remove inline images from HTML e-mail messages, which allows remote attackers to obtain potentially sensitive image infor...Show more
The AgentTicketForward feature in Open Ticket Request System (OTRS) before 2.4.7 does not properly remove inline images from HTML e-mail messages, which allows remote attackers to obtain potentially sensitive image information in opportunistic circumstances by reading a forwarded message in a standard e-mail client.Show less
1Otrs
1Otrs
Apr 29, 2026
Mar 18, 2011
N/A· v4
N/A· v3
4.0 MEDIUM· v2
Open Ticket Request System (OTRS) before 3.0.0-beta7 does not properly restrict the ticket ages that are within the scope of a search, which allows remote authenticated users to cause a denial of service (daemon hang) vi...Show more
Open Ticket Request System (OTRS) before 3.0.0-beta7 does not properly restrict the ticket ages that are within the scope of a search, which allows remote authenticated users to cause a denial of service (daemon hang) via a fulltext search.Show less
1Otrs
1Otrs
Apr 29, 2026
Mar 18, 2011
N/A· v4
N/A· v3
2.1 LOW· v2
Open Ticket Request System (OTRS) before 2.4.0-beta2 does not properly enforce the move_into permission setting for a queue, which allows remote authenticated users to bypass intended access restrictions and read a ticke...Show more
Open Ticket Request System (OTRS) before 2.4.0-beta2 does not properly enforce the move_into permission setting for a queue, which allows remote authenticated users to bypass intended access restrictions and read a ticket by watching this ticket, and then selecting the ticket from the watched-tickets list.Show less
1Otrs
1Otrs
Apr 29, 2026
Mar 18, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Kernel/System/EmailParser.pm in PostmasterPOP3.pl in Open Ticket Request System (OTRS) before 2.2.7 does not properly handle e-mail messages containing malformed UTF-8 characters, which allows remote attackers to cause a...Show more
Kernel/System/EmailParser.pm in PostmasterPOP3.pl in Open Ticket Request System (OTRS) before 2.2.7 does not properly handle e-mail messages containing malformed UTF-8 characters, which allows remote attackers to cause a denial of service (e-mail retrieval outage) via a crafted message.Show less
1Otrs
1Otrs
Apr 29, 2026
Mar 18, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The S/MIME feature in Open Ticket Request System (OTRS) before 2.2.5, and 2.3.x before 2.3.0-beta1, does not properly configure the RANDFILE environment variable for OpenSSL, which might make it easier for remote attacke...Show more
The S/MIME feature in Open Ticket Request System (OTRS) before 2.2.5, and 2.3.x before 2.3.0-beta1, does not properly configure the RANDFILE environment variable for OpenSSL, which might make it easier for remote attackers to decrypt e-mail messages that had lower than intended entropy available for cryptographic operations, related to inability to write to the seeding file.Show less
1Ipswitch
1Imail
Apr 29, 2026
Mar 16, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The STARTTLS implementation in the server in Ipswitch IMail 11.03 and earlier does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending...Show more
The STARTTLS implementation in the server in Ipswitch IMail 11.03 and earlier does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.Show less
1Mutt
1Mutt
Apr 29, 2026
Mar 16, 2011
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Mutt does not verify that the smtps server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL SMTP server via an arbitrary certificate, a dif...Show more
Mutt does not verify that the smtps server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL SMTP server via an arbitrary certificate, a different vulnerability than CVE-2009-3766.Show less
1Flashtux
1Weechat
Apr 29, 2026
Mar 16, 2011
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers...Show more
Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API.Show less
1Redhat
1Kdelibs
Apr 29, 2026
Mar 16, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to s...Show more
kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.Show less
1Sugarcrm
1Sugarcrm
Apr 29, 2026
Mar 16, 2011
N/A· v4
N/A· v3
4.0 MEDIUM· v2
SugarCRM before 6.1.3 does not properly handle reloads and direct requests for a warning page produced by a certain duplicate check, which allows remote authenticated users to discover (1) the names of customers via a Sh...Show more
SugarCRM before 6.1.3 does not properly handle reloads and direct requests for a warning page produced by a certain duplicate check, which allows remote authenticated users to discover (1) the names of customers via a ShowDuplicates action to the Accounts module, reachable through index.php; or (2) the names of contact persons via a ShowDuplicates action to the Contacts module, reachable through index.php.Show less