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CWE-20

12,723 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 (12,723)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Novell
1Netidentity Client1.2.3
Apr 23, 2026
Apr 21, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in xtagent.exe in Novell NetIdentity Client before 1.2.4 allows remote attackers to execute arbitrary code by establishing an IPC$ connection to the XTIERRPCPIPE named pipe, and sending RPC mess...Show more
Unspecified vulnerability in xtagent.exe in Novell NetIdentity Client before 1.2.4 allows remote attackers to execute arbitrary code by establishing an IPC$ connection to the XTIERRPCPIPE named pipe, and sending RPC messages that trigger a dereference of an arbitrary pointer.Show less
1China On Site
1Flexphplink
Apr 23, 2026
Apr 20, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Unrestricted file upload vulnerability in submitlink.php in FlexPHPLink Pro 0.0.7 allows remote attackers to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct req...Show more
Unrestricted file upload vulnerability in submitlink.php in FlexPHPLink Pro 0.0.7 allows remote attackers to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the renamed file in linkphoto/.Show less
1Debian
1Advanced Package Tool
Apr 23, 2026
Apr 16, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
apt 0.7.20 does not check when the date command returns an "invalid date" error, which can prevent apt from loading security updates in time zones for which DST occurs at midnight.
1Pgp
1Desktop
Apr 23, 2026
Apr 15, 2009
N/A· v4
N/A· v3
7.2 HIGH· v2
PGP Desktop before 9.10 allows local users to (1) cause a denial of service (crash) via a crafted IOCTL request to pgpdisk.sys, and (2) cause a denial of service (crash) and execute arbitrary code via a crafted IRP in an...Show more
PGP Desktop before 9.10 allows local users to (1) cause a denial of service (crash) via a crafted IOCTL request to pgpdisk.sys, and (2) cause a denial of service (crash) and execute arbitrary code via a crafted IRP in an IOCTL request to pgpwded.sys.Show less
1Microsoft
5Windows 2000
Windows Server 2003Windows Server 2008+2 more
Apr 23, 2026
Apr 15, 2009
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, and Vista Gold allows remote web servers to impersonate arbitrary https web sites by using DNS spoofing to "forw...Show more
Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, and Vista Gold allows remote web servers to impersonate arbitrary https web sites by using DNS spoofing to "forward a connection" to a different https web site that has a valid certificate matching its own domain name, but not a certificate matching the domain name of the host requested by the user, aka "Windows HTTP Services Certificate Name Mismatch Vulnerability."Show less
1Microsoft
5Office Converter Pack
Office WordWindows 2000+2 more
Apr 23, 2026
Apr 15, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
The WordPerfect 6.x Converter (WPFT632.CNV, 1998.1.27.0) in Microsoft Office Word 2000 SP3 and Microsoft Office Converter Pack does not properly validate the length of an unspecified string, which allows remote attackers...Show more
The WordPerfect 6.x Converter (WPFT632.CNV, 1998.1.27.0) in Microsoft Office Word 2000 SP3 and Microsoft Office Converter Pack does not properly validate the length of an unspecified string, which allows remote attackers to execute arbitrary code via a crafted WordPerfect 6.x file, related to an unspecified counter and control structures on the stack, aka "Word 2000 WordPerfect 6.x Converter Stack Corruption Vulnerability."Show less
1Wireshark
1Wireshark
Apr 23, 2026
Apr 13, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The Check Point High-Availability Protocol (CPHAP) dissector in Wireshark 0.9.6 through 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted FWHA_MY_STATE packet.
1Stalker Game
1S.t.a.l.k.e.r.\
Apr 23, 2026
Apr 10, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
S.T.A.L.K.E.R.: Shadow of Chernobyl 1.0006 and earlier allows remote attackers to cause a denial of service (crash) via a long nickname, which triggers an exception.
1Yourfreeworld
1Apartment Search Script
Apr 23, 2026
Apr 10, 2009
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Unrestricted file upload vulnerability in editimage.php in Apartment Search Script allows remote attackers to execute arbitrary code by uploading a file with an executable extension and a GIF header, then accessing this...Show more
Unrestricted file upload vulnerability in editimage.php in Apartment Search Script allows remote attackers to execute arbitrary code by uploading a file with an executable extension and a GIF header, then accessing this file via a direct request to a renamed file in Member_Admin/logo/.Show less
2Littlecms
Sun
2Lcms
Openjdk
Apr 23, 2026
Apr 9, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
cmsxform.c in LittleCMS (aka lcms or liblcms) 1.18, as used in OpenJDK and other products, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted image that tr...Show more
cmsxform.c in LittleCMS (aka lcms or liblcms) 1.18, as used in OpenJDK and other products, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted image that triggers execution of incorrect code for "transformations of monochrome profiles."Show less
1James Stone
1Tunapie
Apr 23, 2026
Apr 9, 2009
N/A· v4
N/A· v3
6.8 MEDIUM· v2
James Stone Tunapie 2.1 allows remote attackers to execute arbitrary commands via shell metacharacters in a stream URL.
1Php
1Php
Apr 23, 2026
Apr 8, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The php_zip_make_relative_path function in php_zip.c in PHP 5.2.x before 5.2.9 allows context-dependent attackers to cause a denial of service (crash) via a ZIP file that contains filenames with relative paths, which is...Show more
The php_zip_make_relative_path function in php_zip.c in PHP 5.2.x before 5.2.9 allows context-dependent attackers to cause a denial of service (crash) via a ZIP file that contains filenames with relative paths, which is not properly handled during extraction.Show less
1Quickersite
1Quickersite
Apr 23, 2026
Apr 8, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
QuickerSite 1.8.5 allows remote attackers to obtain sensitive information via a request to showThumb.aspx without any parameters, which reveals the installation path in an error message.
1Avg
1Avg Anti Virus
Apr 23, 2026
Apr 7, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
AVG Anti-Virus for Linux 7.5.51, and possibly earlier, allows remote attackers to cause a denial of service (segmentation fault) or possibly execute arbitrary code via a malformed UPX compressed file, which triggers memo...Show more
AVG Anti-Virus for Linux 7.5.51, and possibly earlier, allows remote attackers to cause a denial of service (segmentation fault) or possibly execute arbitrary code via a malformed UPX compressed file, which triggers memory corruption.Show less
5Canonical
DebianFedoraproject+2 more
5Debian Linux
FedoraLinux Kernel+2 more
Apr 23, 2026
Apr 6, 2009
N/A· v4
N/A· v3
4.9 MEDIUM· v2
The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX implementation in the KVM subsystem in the Linux kernel before 2.6.29.1 on the i386 platform allows guest OS users to cause a denial of service (OOPS) by setting...Show more
The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX implementation in the KVM subsystem in the Linux kernel before 2.6.29.1 on the i386 platform allows guest OS users to cause a denial of service (OOPS) by setting the EFER_LME (aka "Long mode enable") bit in the Extended Feature Enable Register (EFER) model-specific register, which is specific to the x86_64 platform.Show less
1Opera
1Opera Browser
Apr 23, 2026
Apr 2, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is als...Show more
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.Show less
1Apple
1Safari
Apr 23, 2026
Apr 2, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Apple Safari 3.2.2 and 4 Beta on Windows allows remote attackers to cause a denial of service (application crash) via an XML document containing many nested A elements.
1Mozilla
1Firefox
Apr 23, 2026
Apr 2, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE:...Show more
Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.Show less
1Sun
2Java System Calendar Server
One Calendar Server
Apr 23, 2026
Apr 1, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Sun Calendar Express Web Server in Sun ONE Calendar Server 6.0 and Sun Java System Calendar Server 6 2004Q2 through 6.3-7.01 allows remote attackers to cause a denial of service (daemon crash) via multiple requests to th...Show more
Sun Calendar Express Web Server in Sun ONE Calendar Server 6.0 and Sun Java System Calendar Server 6 2004Q2 through 6.3-7.01 allows remote attackers to cause a denial of service (daemon crash) via multiple requests to the default URI with alphabetic characters in the tzid parameter.Show less
2Strongswan
Xelerance
2Openswan
Strongswan
Apr 23, 2026
Apr 1, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and...Show more
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.Show less