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CWE-20

12,815 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 (12,815)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Linux
1Linux Kernel
Apr 29, 2026
Jun 7, 2013
N/A· v4
N/A· v3
4.7 MEDIUM· v2
arch/x86/kernel/cpu/perf_event_intel.c in the Linux kernel before 3.8.9, when the Performance Events Subsystem is enabled, specifies an incorrect bitmask, which allows local users to cause a denial of service (general pr...Show more
arch/x86/kernel/cpu/perf_event_intel.c in the Linux kernel before 3.8.9, when the Performance Events Subsystem is enabled, specifies an incorrect bitmask, which allows local users to cause a denial of service (general protection fault and system crash) by attempting to set a reserved bit.Show less
1Apple
4Ipad
Ipad2Ipad Mini+1 more
Apr 29, 2026
Jun 5, 2013
N/A· v4
N/A· v3
6.2 MEDIUM· v2
The get_xattrinfo function in the XNU kernel in Apple iOS 5.x and 6.x through 6.1.3 on iPad devices does not properly validate the header of an AppleDouble file, which might allow local users to cause a denial of service...Show more
The get_xattrinfo function in the XNU kernel in Apple iOS 5.x and 6.x through 6.1.3 on iPad devices does not properly validate the header of an AppleDouble file, which might allow local users to cause a denial of service (memory corruption) or have unspecified other impact via an invalid file on an msdosfs filesystem.Show less
1Apple
2Iphone Os
Mac Os X
Apr 29, 2026
Jun 5, 2013
N/A· v4
N/A· v3
6.9 MEDIUM· v2
The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not properly validate the data for file actions and port actions, which allows local users to (1) cause a denial of service (panic) via a size v...Show more
The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not properly validate the data for file actions and port actions, which allows local users to (1) cause a denial of service (panic) via a size value that is inconsistent with a header count field, or (2) obtain sensitive information from kernel heap memory via a certain size value in conjunction with a crafted buffer.Show less
1Apple
3Iphone Os
Mac Os XWatchos
Apr 29, 2026
Jun 5, 2013
N/A· v4
N/A· v3
4.6 MEDIUM· v2
sys/openbsd/stack_protector.c in libc in Apple iOS 6.1.3 and Mac OS X 10.8.x does not properly parse the Apple strings employed in the user-space stack-cookie implementation, which allows local users to bypass cookie ran...Show more
sys/openbsd/stack_protector.c in libc in Apple iOS 6.1.3 and Mac OS X 10.8.x does not properly parse the Apple strings employed in the user-space stack-cookie implementation, which allows local users to bypass cookie randomization by executing a program with a call-path beginning with the stack-guard= substring, as demonstrated by an iOS untethering attack or an attack against a setuid Mac OS X program.Show less
1Apple
1Iphone Os
Apr 29, 2026
Jun 5, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Apple iOS 6.1.3 does not follow redirects during determination of the hostname to display in an iOS Enterprise Deployment installation dialog, which makes it easier for remote attackers to trigger installation of arbitra...Show more
Apple iOS 6.1.3 does not follow redirects during determination of the hostname to display in an iOS Enterprise Deployment installation dialog, which makes it easier for remote attackers to trigger installation of arbitrary applications via a download-manifest itms-services:// URL that leverages an open redirect vulnerability within a trusted domain.Show less
1Apple
2Mac Os X
Mac Os X Server
Apr 29, 2026
Jun 5, 2013
N/A· v4
N/A· v3
6.8 MEDIUM· v2
CoreMedia Playback in Apple Mac OS X before 10.8.4 does not properly initialize memory during the processing of text tracks, which allows remote attackers to execute arbitrary code or cause a denial of service (applicati...Show more
CoreMedia Playback in Apple Mac OS X before 10.8.4 does not properly initialize memory during the processing of text tracks, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted movie file.Show less
1Apple
1Safari
Apr 29, 2026
Jun 5, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
XSS Auditor in WebKit in Apple Safari before 6.0.5 does not properly rewrite URLs, which allows remote attackers to trigger unintended form submissions via unspecified vectors.
1Apache
1Tomcat
Apr 29, 2026
Jun 1, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Apache Tomcat 6.x before 6.0.37 and 7.x before 7.0.30 does not properly handle chunk extensions in chunked transfer coding, which allows remote attackers to cause a denial of service by streaming data.
1Php
1Php
Apr 29, 2026
May 31, 2013
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The Zend Engine in PHP before 5.4.16 RC1, and 5.5.0 before RC2, does not properly determine whether a parser error occurred, which allows context-dependent attackers to cause a denial of service (memory consumption and a...Show more
The Zend Engine in PHP before 5.4.16 RC1, and 5.5.0 before RC2, does not properly determine whether a parser error occurred, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash) via a crafted function definition, as demonstrated by an attack within a shared web-hosting environment. NOTE: the vendor's http://php.net/security-note.php page says "for critical security situations you should be using OS-level security by running multiple web servers each as their own user id.Show less
1Lockon
1Ec Cube
Apr 29, 2026
May 29, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
data/class/pages/forgot/LC_Page_Forgot.php in LOCKON EC-CUBE 2.11.0 through 2.12.3enP2 does not properly validate the input to the password reminder function, which allows remote attackers to obtain sensitive information...Show more
data/class/pages/forgot/LC_Page_Forgot.php in LOCKON EC-CUBE 2.11.0 through 2.12.3enP2 does not properly validate the input to the password reminder function, which allows remote attackers to obtain sensitive information via a crafted request.Show less
6Canonical
DebianFedoraproject+3 more
10Debian Linux
Enterprise Linux DesktopEnterprise Linux Eus+7 more
Apr 29, 2026
May 29, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and ba...Show more
schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged packet that triggers a communication loop, as demonstrated by krb_pingpong.nasl, a related issue to CVE-1999-0103.Show less
1Cisco
1Webex
Apr 29, 2026
May 27, 2013
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof...Show more
Cisco WebEx 4.1 on iOS does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, aka Bug ID CSCud94176.Show less
3Debian
OpensuseWireshark
3Debian Linux
OpensuseWireshark
Apr 29, 2026
May 25, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The fragment_add_seq_common function in epan/reassemble.c in the ASN.1 BER dissector in Wireshark before r48943 has an incorrect pointer dereference during a comparison, which allows remote attackers to cause a denial of...Show more
The fragment_add_seq_common function in epan/reassemble.c in the ASN.1 BER dissector in Wireshark before r48943 has an incorrect pointer dereference during a comparison, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.Show less
3Debian
OpensuseWireshark
3Debian Linux
OpensuseWireshark
Apr 29, 2026
May 25, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
epan/dissectors/packet-gtpv2.c in the GTPv2 dissector in Wireshark 1.8.x before 1.8.7 calls incorrect functions in certain contexts related to ciphers, which allows remote attackers to cause a denial of service (applicat...Show more
epan/dissectors/packet-gtpv2.c in the GTPv2 dissector in Wireshark 1.8.x before 1.8.7 calls incorrect functions in certain contexts related to ciphers, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.Show less
1Moodle
1Moodle
Apr 29, 2026
May 25, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The MoodleQuickForm class in lib/formslib.php in Moodle through 2.1.10, 2.2.x before 2.2.10, 2.3.x before 2.3.7, and 2.4.x before 2.4.4 does not properly handle a certain array-element syntax, which allows remote attacke...Show more
The MoodleQuickForm class in lib/formslib.php in Moodle through 2.1.10, 2.2.x before 2.2.10, 2.3.x before 2.3.7, and 2.4.x before 2.4.4 does not properly handle a certain array-element syntax, which allows remote attackers to bypass intended form-data filtering via a crafted request.Show less
1Siemens
7Scalance X200 4p Irt
Scalance X200irt FirmwareScalance X201 3p Irt+4 more
Apr 29, 2026
May 24, 2013
N/A· v4
N/A· v3
7.5 HIGH· v2
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (Versions < V5.0.0 for CVE-2013-3633 and versions < V4.5.0 for CVE-2013-3634), SCALANCE X-200IRT switch family (incl. SIPLUS...Show more
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (Versions < V5.0.0 for CVE-2013-3633 and versions < V4.5.0 for CVE-2013-3634), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.1.0). The implementation of SNMPv3 does not check the user credentials sufficiently. Therefore, an attacker is able to execute SNMP commands without correct credentials.Show less
1Freenac
1Freenac
Apr 29, 2026
May 23, 2013
N/A· v4
N/A· v3
7.5 HIGH· v2
SQL injection vulnerability in deviceadd.php in FreeNAC 3.02 allows remote attackers to execute arbitrary SQL commands via the status parameter.
1A51dev
1Activecollab Chat Module
Apr 29, 2026
May 23, 2013
N/A· v4
N/A· v3
6.5 MEDIUM· v2
functions/html_to_text.php in the Chat module before 1.5.2 for activeCollab allows remote authenticated users to execute arbitrary PHP code via the message[message_text] parameter to chat/add_messag, which is not properl...Show more
functions/html_to_text.php in the Chat module before 1.5.2 for activeCollab allows remote authenticated users to execute arbitrary PHP code via the message[message_text] parameter to chat/add_messag, which is not properly handled when executing the preg_replace function with the eval switch.Show less
1Canonical
2Telepathy Idle
Ubuntu Linux
Apr 29, 2026
May 21, 2013
N/A· v4
N/A· v3
5.8 MEDIUM· v2
telepathy-idle before 0.1.15 does not verify (1) that the issuer is a trusted CA, (2) that the server hostname matches a domain name in the subject's Common Name (CN), or (3) the expiration date of the X.509 certificate,...Show more
telepathy-idle before 0.1.15 does not verify (1) that the issuer is a trusted CA, (2) that the server hostname matches a domain name in the subject's Common Name (CN), or (3) the expiration date of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Apple
1Itunes
Apr 29, 2026
May 20, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Apple iTunes before 11.0.3 does not properly verify X.509 certificates, which allows man-in-the-middle attackers to spoof HTTPS servers via an arbitrary valid certificate.