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CWE-20

12,735 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 (12,735)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Parallels
1Parallels Plesk Panel
Apr 29, 2026
Dec 16, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not properly validate string data that is intended for storage in an XML document, which allows remote attackers to cause a denial o...Show more
The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not properly validate string data that is intended for storage in an XML document, which allows remote attackers to cause a denial of service (parsing error) or possibly have unspecified other impact via a crafted REST URL parameter, as demonstrated by parameters to admin/ and certain other files.Show less
1Microsoft
1Publisher
Apr 29, 2026
Dec 14, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
Array index error in Microsoft Publisher 2003 SP3, and 2007 SP2 and SP3, allows remote attackers to execute arbitrary code via a crafted Publisher file that leverages incorrect handling of values in memory, aka "Publishe...Show more
Array index error in Microsoft Publisher 2003 SP3, and 2007 SP2 and SP3, allows remote attackers to execute arbitrary code via a crafted Publisher file that leverages incorrect handling of values in memory, aka "Publisher Out-of-bounds Array Index Vulnerability."Show less
1Google
1Chrome
Apr 29, 2026
Dec 13, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The view-source feature in Google Chrome before 16.0.912.63 allows remote attackers to spoof the URL bar via unspecified vectors.
3Canonical
DebianIsc
3Debian Linux
DhcpUbuntu Linux
Apr 29, 2026
Dec 8, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted requ...Show more
dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.Show less
1Opera
1Opera Browser
Apr 29, 2026
Dec 7, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Dragonfly in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unspecified content on a web page, as demonstrated by forbes.com.
1Oneclickorgs
1One Click Orgs
Apr 29, 2026
Dec 6, 2011
N/A· v4
N/A· v3
5.5 MEDIUM· v2
One Click Orgs before 1.2.3 allows remote authenticated users to trigger crafted SMTP traffic via (1) " (double quote) and newline characters in an org name or (2) " (double quote) characters in an e-mail address, relate...Show more
One Click Orgs before 1.2.3 allows remote authenticated users to trigger crafted SMTP traffic via (1) " (double quote) and newline characters in an org name or (2) " (double quote) characters in an e-mail address, related to a "2nd Order SMTP Injection" issue.Show less
1Oneclickorgs
1One Click Orgs
Apr 29, 2026
Dec 6, 2011
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Multiple open redirect vulnerabilities in One Click Orgs before 1.2.3 allow (1) remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the return_to parameter, and allow (2) remote aut...Show more
Multiple open redirect vulnerabilities in One Click Orgs before 1.2.3 allow (1) remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the return_to parameter, and allow (2) remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via crafted characters in the domain name of a subdomain.Show less
1Ironmountain
1Connected Backup
Apr 29, 2026
Dec 5, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
The Agent service in Iron Mountain Connected Backup 8.4 allows remote attackers to execute arbitrary code via a crafted opcode 13 request that triggers use of the LaunchCompoundFileAnalyzer class to send request data to...Show more
The Agent service in Iron Mountain Connected Backup 8.4 allows remote attackers to execute arbitrary code via a crafted opcode 13 request that triggers use of the LaunchCompoundFileAnalyzer class to send request data to the System.getRunTime.exec method.Show less
1Apache
1Http Server
Apr 29, 2026
Nov 30, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and...Show more
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an @ (at sign) character and a : (colon) character in invalid positions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.Show less
1Apache
10Http Server
Http Server2.0a1Http Server2.0a2+7 more
Apr 29, 2026
Nov 30, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch patt...Show more
The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers by using the HTTP/0.9 protocol with a malformed URI containing an initial @ (at sign) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.Show less
1Canonical
1Ubuntu Linux
Apr 29, 2026
Nov 29, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
The cupshelpers scripts in system-config-printer in Ubuntu 11.04 and 11.10, as used by the automatic printer driver download service, uses an "insecure connection" for queries to the OpenPrinting database, which allows r...Show more
The cupshelpers scripts in system-config-printer in Ubuntu 11.04 and 11.10, as used by the automatic printer driver download service, uses an "insecure connection" for queries to the OpenPrinting database, which allows remote attackers to execute arbitrary code via a man-in-the-middle (MITM) attack that modifies packages or repositories.Show less
1Arora Browser
1Arora
Apr 29, 2026
Nov 29, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Arora, possibly 0.11 and other versions, does not use a certain font when rendering certificate fields in a security dialog, which allows remote attackers to spoof the common name (CN) of a certificate via rich text.
1Adjam
1Rekonq
Apr 29, 2026
Nov 29, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Rekonq 0.7.0 and earlier does not use a certain font when rendering certificate fields in a security dialog, which allows remote attackers to spoof the common name (CN) of a certificate via rich text.
1Kde
1Kde Sc
Apr 29, 2026
Nov 29, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The KDE SSL Wrapper (KSSL) API in KDE SC 4.6.0 through 4.7.1, and possibly earlier versions, does not use a certain font when rendering certificate fields in a security dialog, which allows remote attackers to spoof the...Show more
The KDE SSL Wrapper (KSSL) API in KDE SC 4.6.0 through 4.7.1, and possibly earlier versions, does not use a certain font when rendering certificate fields in a security dialog, which allows remote attackers to spoof the common name (CN) of a certificate via rich text.Show less
1Canonical
1Ubuntu Linux
Apr 29, 2026
Nov 29, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Software Center in Ubuntu 11.10, 11.04 10.10 does not properly validate server certificates, which allows remote attackers to execute arbitrary code or obtain sensitive information via a man-in-the-middle (MITM) attack.
1Realnetworks
1Realplayer
Apr 29, 2026
Nov 24, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Array index error in the RV30 codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via unspecified vectors.
1Montala
1Resourcespace
Apr 29, 2026
Nov 19, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
ResourceSpace before 4.2.2833 does not properly validate access keys, which allows remote attackers to bypass intended resource restrictions via unspecified vectors.
1Phpmyadmin
1Phpmyadmin
Apr 29, 2026
Nov 17, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
phpmyadmin.css.php in phpMyAdmin 3.4.x before 3.4.6 allows remote attackers to obtain sensitive information via an array-typed js_frame parameter to phpmyadmin.css.php, which reveals the installation path in an error mes...Show more
phpmyadmin.css.php in phpMyAdmin 3.4.x before 3.4.6 allows remote attackers to obtain sensitive information via an array-typed js_frame parameter to phpmyadmin.css.php, which reveals the installation path in an error message.Show less
1Mahara
1Mahara
Apr 29, 2026
Nov 15, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The get_dataroot_image_path function in lib/file.php in Mahara before 1.4.1 does not properly validate uploaded image files, which allows remote attackers to cause a denial of service (memory consumption) via a (1) large...Show more
The get_dataroot_image_path function in lib/file.php in Mahara before 1.4.1 does not properly validate uploaded image files, which allows remote attackers to cause a denial of service (memory consumption) via a (1) large or (2) invalid image.Show less
1Mozilla
2Firefox
Thunderbird
Apr 29, 2026
Nov 9, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attac...Show more
The JSSubScriptLoader in Mozilla Firefox before 3.6.24 and Thunderbird before 3.1.6 does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior, a related issue to CVE-2011-3004.Show less