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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
1Google
1Chrome
Apr 29, 2026
Apr 1, 2010
N/A· v4
N/A· v3
7.5 HIGH· v2
Google Chrome 4.1 BETA before 4.1.249.1036 allows remote attackers to cause a denial of service (memory error) or possibly have unspecified other impact via an empty SVG element.
1Google
1Chrome
Apr 29, 2026
Apr 1, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Unspecified vulnerability in Google Chrome before 4.1.249.1036 allows remote attackers to trigger the omission of a download warning dialog via unknown vectors.
1Apple
1Iphone Os
Apr 29, 2026
Apr 1, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The HTTP client functionality in Apple iPhone OS 3.1 on the iPhone 2G and 3.1.3 on the iPhone 3GS allows remote attackers to cause a denial of service (Safari, Mail, or Springboard crash) via a crafted innerHTML property...Show more
The HTTP client functionality in Apple iPhone OS 3.1 on the iPhone 2G and 3.1.3 on the iPhone 3GS allows remote attackers to cause a denial of service (Safari, Mail, or Springboard crash) via a crafted innerHTML property of a DIV element, related to a "malformed character" issue.Show less
1Vmware
3Esx Server
ServerVirtualcenter
Apr 29, 2026
Apr 1, 2010
N/A· v4
N/A· v3
7.5 HIGH· v2
WebAccess in VMware VirtualCenter 2.0.2 and 2.5, VMware Server 2.0, and VMware ESX 3.0.3 and 3.5 allows remote attackers to leverage proxy-server functionality to spoof the origin of requests via unspecified vectors, rel...Show more
WebAccess in VMware VirtualCenter 2.0.2 and 2.5, VMware Server 2.0, and VMware ESX 3.0.3 and 3.5 allows remote attackers to leverage proxy-server functionality to spoof the origin of requests via unspecified vectors, related to a "URL forwarding vulnerability."Show less
1Mediawiki
1Mediawiki
Apr 29, 2026
Mar 31, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
MediaWiki before 1.15.2 does not prevent wiki editors from linking to images from other web sites in wiki pages, which allows editors to obtain IP addresses and other information of wiki users by adding a link to an imag...Show more
MediaWiki before 1.15.2 does not prevent wiki editors from linking to images from other web sites in wiki pages, which allows editors to obtain IP addresses and other information of wiki users by adding a link to an image on an attacker-controlled web site, aka "CSS validation issue."Show less
1Apple
2Mac Os X
Mac Os X Server
Apr 29, 2026
Mar 30, 2010
N/A· v4
N/A· v3
7.8 HIGH· v2
Event Monitor in Apple Mac OS X before 10.6.3 does not properly validate hostnames of SSH clients, which allows remote attackers to cause a denial of service (arbitrary client blacklisting) via a crafted DNS PTR record,...Show more
Event Monitor in Apple Mac OS X before 10.6.3 does not properly validate hostnames of SSH clients, which allows remote attackers to cause a denial of service (arbitrary client blacklisting) via a crafted DNS PTR record, related to a "plist injection issue."Show less
1Apple
1Iphone Os
Apr 29, 2026
Mar 29, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Safari on Apple iPhone OS 3.1.3 for iPod touch allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long string in a MARQUEE element.
1Cisco
1Tftp Server
Apr 29, 2026
Mar 29, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco TFTP Server 1.1 allows remote attackers to cause a denial of service (daemon crash) via a crafted (1) read (aka RRQ) or (2) write (aka WRQ) request, or other TFTP packet. NOTE: some of these details are obtained f...Show more
Cisco TFTP Server 1.1 allows remote attackers to cause a denial of service (daemon crash) via a crafted (1) read (aka RRQ) or (2) write (aka WRQ) request, or other TFTP packet. NOTE: some of these details are obtained from third party information.Show less
1Php
1Php
Apr 29, 2026
Mar 26, 2010
N/A· v4
N/A· v3
7.5 HIGH· v2
The safe_mode implementation in PHP before 5.2.13 does not properly handle directory pathnames that lack a trailing / (slash) character, which allows context-dependent attackers to bypass intended access restrictions via...Show more
The safe_mode implementation in PHP before 5.2.13 does not properly handle directory pathnames that lack a trailing / (slash) character, which allows context-dependent attackers to bypass intended access restrictions via vectors related to use of the tempnam function.Show less
1Openssl
1Openssl
Apr 29, 2026
Mar 26, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The ssl3_get_record function in ssl/s3_pkt.c in OpenSSL 0.9.8f through 0.9.8m allows remote attackers to cause a denial of service (crash) via a malformed record in a TLS connection that triggers a NULL pointer dereferen...Show more
The ssl3_get_record function in ssl/s3_pkt.c in OpenSSL 0.9.8f through 0.9.8m allows remote attackers to cause a denial of service (crash) via a malformed record in a TLS connection that triggers a NULL pointer dereference, related to the minor version number. NOTE: some of these details are obtained from third party information.Show less
1Apple
1Safari
Apr 29, 2026
Mar 15, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
WebKit in Apple Safari before 4.0.5 does not properly validate the cross-origin loading of stylesheets, which allows remote attackers to obtain sensitive information via a crafted HTML document. NOTE: this might overlap...Show more
WebKit in Apple Safari before 4.0.5 does not properly validate the cross-origin loading of stylesheets, which allows remote attackers to obtain sensitive information via a crafted HTML document. NOTE: this might overlap CVE-2010-0651.Show less
1Apple
1Safari
Apr 29, 2026
Mar 15, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Apple Safari before 4.0.5 on Windows does not properly validate external URL schemes, which allows remote attackers to open local files and execute arbitrary code via a crafted HTML document.
1Perforce
1Perforce Server
Apr 29, 2026
Mar 5, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The FTP server in Perforce Server 2008.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a certain MKD command.
1Perforce
1Perforce Server
Apr 29, 2026
Mar 5, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Perforce service (p4s.exe) in Perforce Server 2008.1 allows remote attackers to cause a denial of service (daemon crash) via crafted data, possibly involving a large sndbuf value.
1Perforce
1Perforce Server
Apr 29, 2026
Mar 5, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Perforce service (p4s.exe) in Perforce Server 2008.1 allows remote attackers to cause a denial of service (daemon crash) via crafted data beginning with a byte sequence of 0x4c, 0xb3, 0xff, 0xff, and 0xff.
1Openssl
1Openssl
Apr 29, 2026
Mar 5, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The kssl_keytab_is_available function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain return value, which allows remote attacke...Show more
The kssl_keytab_is_available function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain return value, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via SSL cipher negotiation, as demonstrated by a chroot installation of Dovecot or stunnel without Kerberos configuration files inside the chroot.Show less
1Openssl
1Openssl
Apr 29, 2026
Mar 5, 2010
N/A· v4
N/A· v3
10.0 HIGH· v2
OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, and (4) engines/e_ubsec.c, which has unspecified i...Show more
OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, and (4) engines/e_ubsec.c, which has unspecified impact and context-dependent attack vectors.Show less
1Omidrouhani
1Xerver
Apr 29, 2026
Mar 3, 2010
N/A· v4
N/A· v3
4.0 MEDIUM· v2
Xerver 4.32 allows remote authenticated users to cause a denial of service (daemon crash) via a non-numeric web port assignment in the management interface. NOTE: this can be leveraged by non-authenticated attackers usi...Show more
Xerver 4.32 allows remote authenticated users to cause a denial of service (daemon crash) via a non-numeric web port assignment in the management interface. NOTE: this can be leveraged by non-authenticated attackers using CVE-2009-4657.Show less
1Microsoft
6Windows 2000
Windows 2003 ServerWindows 7+3 more
Apr 29, 2026
Feb 26, 2010
N/A· v4
N/A· v3
4.7 MEDIUM· v2
An unspecified API in Microsoft Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, and Windows 7 does not validate arguments, which allows local users to cause a denial of service (system...Show more
An unspecified API in Microsoft Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, and Windows 7 does not validate arguments, which allows local users to cause a denial of service (system crash) via a crafted application.Show less
1Avas!t
2Avast Antivirus Home
Avast Antivirus Professional
Apr 29, 2026
Feb 25, 2010
N/A· v4
N/A· v3
7.2 HIGH· v2
Aavmker4.sys in avast! 4.8 through 4.8.1368.0 and 5.0 before 5.0.418.0 running on Windows 2000 and XP does not properly validate input to IOCTL 0xb2d60030, which allows local users to cause a denial of service (system cr...Show more
Aavmker4.sys in avast! 4.8 through 4.8.1368.0 and 5.0 before 5.0.418.0 running on Windows 2000 and XP does not properly validate input to IOCTL 0xb2d60030, which allows local users to cause a denial of service (system crash) or execute arbitrary code to gain privileges via IOCTL requests using crafted kernel addresses that trigger memory corruption.Show less