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CWE-20

12,724 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 (12,724)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Pligg
1Pligg Cms
Apr 29, 2026
Apr 21, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Multiple open redirect vulnerabilities in Pligg 1.0.2 and earlier allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the (1) return parameter to pligg/login.php and the (2) H...Show more
Multiple open redirect vulnerabilities in Pligg 1.0.2 and earlier allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the (1) return parameter to pligg/login.php and the (2) HTTP Referer header to user_settings.php.Show less
1Ubercart
1Ubercart
Apr 29, 2026
Apr 20, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The PayPal Website Payments Standard functionality in the Ubercart module 5.x before 5.x-1.9 and 6.x before 6.x-2.1 for Drupal does not properly validate orders, which allows remote attackers to trigger unspecified "dupl...Show more
The PayPal Website Payments Standard functionality in the Ubercart module 5.x before 5.x-1.9 and 6.x before 6.x-2.1 for Drupal does not properly validate orders, which allows remote attackers to trigger unspecified "duplicate actions" via unknown vectors.Show less
1Todd Miller
1Sudo
Apr 29, 2026
Apr 16, 2010
N/A· v4
N/A· v3
6.9 MEDIUM· v2
The command matching functionality in sudo 1.6.8 through 1.7.2p5 does not properly handle when a file in the current working directory has the same name as a pseudo-command in the sudoers file and the PATH contains an en...Show more
The command matching functionality in sudo 1.6.8 through 1.7.2p5 does not properly handle when a file in the current working directory has the same name as a pseudo-command in the sudoers file and the PATH contains an entry for ".", which allows local users to execute arbitrary commands via a Trojan horse executable, as demonstrated using sudoedit, a different vulnerability than CVE-2010-0426.Show less
1Irssi
1Irssi
Apr 29, 2026
Apr 16, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man...Show more
Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.Show less
1Cisco
1Secure Desktop
Apr 29, 2026
Apr 15, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
The Web Install ActiveX control (CSDWebInstaller) in Cisco Secure Desktop (CSD) before 3.5.841 does not properly verify the signatures of downloaded programs, which allows remote attackers to force the download and execu...Show more
The Web Install ActiveX control (CSDWebInstaller) in Cisco Secure Desktop (CSD) before 3.5.841 does not properly verify the signatures of downloaded programs, which allows remote attackers to force the download and execution of arbitrary files via a crafted web page, aka Bug ID CSCta25876.Show less
1Microsoft
7Windows 2000
Windows 2003 ServerWindows 7+4 more
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
The Authenticode Signature verification functionality in cabview.dll in Cabinet File Viewer Shell Extension 5.1, 6.0, and 6.1 in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista...Show more
The Authenticode Signature verification functionality in cabview.dll in Cabinet File Viewer Shell Extension 5.1, 6.0, and 6.1 in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly use unspecified fields in a file digest, which allows remote attackers to execute arbitrary code via a modified cabinet (aka .CAB) file that incorrectly appears to have a valid signature, aka "Cabview Corruption Validation Vulnerability."Show less
1Microsoft
7Windows 2000
Windows 2003 ServerWindows 7+4 more
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
The WinVerifyTrust function in Authenticode Signature Verification 5.1, 6.0, and 6.1 in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 G...Show more
The WinVerifyTrust function in Authenticode Signature Verification 5.1, 6.0, and 6.1 in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly use unspecified fields in a file digest, which allows user-assisted remote attackers to execute arbitrary code via a modified (1) Portable Executable (PE) or (2) cabinet (aka .CAB) file that incorrectly appears to have a valid signature, aka "WinVerifyTrust Signature Validation Vulnerability."Show less
1Microsoft
2Windows 7
Windows Server 2008
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
4.7 MEDIUM· v2
The kernel in Microsoft Windows Server 2008 R2 and Windows 7 does not properly validate relocation sections of image files, which allows local users to cause a denial of service (reboot) via a crafted file, aka "Windows...Show more
The kernel in Microsoft Windows Server 2008 R2 and Windows 7 does not properly validate relocation sections of image files, which allows local users to cause a denial of service (reboot) via a crafted file, aka "Windows Kernel Malformed Image Vulnerability."Show less
1Microsoft
2Windows 7
Windows Server 2008
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
10.0 HIGH· v2
The SMB client in Microsoft Windows Server 2008 R2 and Windows 7 does not properly validate fields in SMB transaction responses, which allows remote SMB servers and man-in-the-middle attackers to execute arbitrary code o...Show more
The SMB client in Microsoft Windows Server 2008 R2 and Windows 7 does not properly validate fields in SMB transaction responses, which allows remote SMB servers and man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and reboot) via a crafted (1) SMBv1 or (2) SMBv2 response, aka "SMB Client Transaction Vulnerability."Show less
1Microsoft
5Windows 2000
Windows 2003 ServerWindows Server 2003+2 more
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
4.9 MEDIUM· v2
Unspecified vulnerability in registry-key validation in the kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Vista Gold allows local users to cause a denial of service (reboot) via a crafted app...Show more
Unspecified vulnerability in registry-key validation in the kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Vista Gold allows local users to cause a denial of service (reboot) via a crafted application, aka "Windows Kernel Registry Key Vulnerability."Show less
1Microsoft
5Windows 2000
Windows 2003 ServerWindows Server 2003+2 more
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
4.7 MEDIUM· v2
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Vista Gold does not perform the expected validation before creating a symbolic link, which allows local users to cause a denial of service (r...Show more
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Vista Gold does not perform the expected validation before creating a symbolic link, which allows local users to cause a denial of service (reboot) via a crafted application, aka "Windows Kernel Symbolic Link Value Vulnerability."Show less
1Microsoft
6Windows 2000
Windows 2003 ServerWindows Server 2003+3 more
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
4.7 MEDIUM· v2
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 does not properly validate a registry-key argument to an unspecified system call, which al...Show more
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 does not properly validate a registry-key argument to an unspecified system call, which allows local users to cause a denial of service (reboot) via a crafted application, aka "Windows Kernel Null Pointer Vulnerability."Show less
1Microsoft
6Exchange Server
Windows 2000Windows 2003 Server+3 more
Apr 29, 2026
Apr 14, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The SMTP component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Server 2008 Gold, SP2, and R2, and Exchange Server 2003 SP2, does not properly parse MX records, which allows remote DNS servers to c...Show more
The SMTP component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Server 2008 Gold, SP2, and R2, and Exchange Server 2003 SP2, does not properly parse MX records, which allows remote DNS servers to cause a denial of service (service outage) via a crafted response to a DNS MX record query, aka "SMTP Server MX Record Vulnerability."Show less
1Memcachedb
1Memcached
Apr 29, 2026
Apr 12, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
memcached.c in memcached before 1.4.3 allows remote attackers to cause a denial of service (daemon hang or crash) via a long line that triggers excessive memory allocation. NOTE: some of these details are obtained from...Show more
memcached.c in memcached before 1.4.3 allows remote attackers to cause a denial of service (daemon hang or crash) via a long line that triggers excessive memory allocation. NOTE: some of these details are obtained from third party information.Show less
1Linux
1Linux Kernel
Apr 29, 2026
Apr 12, 2010
N/A· v4
N/A· v3
7.8 HIGH· v2
The virtio_net_bad_features function in hw/virtio-net.c in the virtio-net driver in the Linux kernel before 2.6.26, when used on a guest OS in conjunction with qemu-kvm 0.11.0 or KVM 83, allows remote attackers to cause...Show more
The virtio_net_bad_features function in hw/virtio-net.c in the virtio-net driver in the Linux kernel before 2.6.26, when used on a guest OS in conjunction with qemu-kvm 0.11.0 or KVM 83, allows remote attackers to cause a denial of service (guest OS crash, and an associated qemu-kvm process exit) by sending a large amount of network traffic to a TCP port on the guest OS, related to a virtio-net whitelist that includes an improper implementation of TCP Segment Offloading (TSO).Show less
2Clamav
Clamavs
2Clamav
Clamav
Apr 29, 2026
Apr 8, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The qtm_decompress function in libclamav/mspack.c in ClamAV before 0.96 allows remote attackers to cause a denial of service (memory corruption and application crash) via a crafted CAB archive that uses the Quantum (aka...Show more
The qtm_decompress function in libclamav/mspack.c in ClamAV before 0.96 allows remote attackers to cause a denial of service (memory corruption and application crash) via a crafted CAB archive that uses the Quantum (aka .Q) compression format. NOTE: some of these details are obtained from third party information.Show less
1Emweb
1Wt
Apr 29, 2026
Apr 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Emweb Wt before 3.1.1 does not validate the UTF-8 encoding of (1) form values and (2) JSignal arguments, which has unspecified impact and remote attack vectors.
1Mozilla
3Firefox
SeamonkeyThunderbird
Apr 29, 2026
Apr 5, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The XMLDocument::load function in Mozilla Firefox before 3.5.9 and 3.6.x before 3.6.2, Thunderbird before 3.0.4, and SeaMonkey before 2.0.4 does not perform the expected nsIContentPolicy checks during loading of content...Show more
The XMLDocument::load function in Mozilla Firefox before 3.5.9 and 3.6.x before 3.6.2, Thunderbird before 3.0.4, and SeaMonkey before 2.0.4 does not perform the expected nsIContentPolicy checks during loading of content by XML documents, which allows attackers to bypass intended access restrictions via crafted content.Show less
1Mozilla
2Firefox
Seamonkey
Apr 29, 2026
Apr 5, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 3.5.9 and 3.6.x before 3.6.2, and SeaMonkey before 2.0.4, executes a mail application in situations where an IMG element has a SRC attribute that is a redirect to a mailto: URL, which allows remote...Show more
Mozilla Firefox before 3.5.9 and 3.6.x before 3.6.2, and SeaMonkey before 2.0.4, executes a mail application in situations where an IMG element has a SRC attribute that is a redirect to a mailto: URL, which allows remote attackers to cause a denial of service (excessive application launches) via an HTML document with many images.Show less
1Novell
2Netware
Netware Ftp Server
Apr 29, 2026
Apr 5, 2010
N/A· v4
N/A· v3
4.0 MEDIUM· v2
NWFTPD.nlm before 5.03b in the FTP server in Novell NetWare allows remote authenticated users to cause a denial of service (abend) via a crafted ABOR command.