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CWE-20

12,733 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 (12,733)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Ncpfs
1Ncpfs
Apr 29, 2026
Apr 10, 2011
N/A· v4
N/A· v3
3.3 LOW· v2
ncpfs 2.2.6 and earlier attempts to use (1) ncpmount to append to the /etc/mtab file and (2) ncpumount to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows loca...Show more
ncpfs 2.2.6 and earlier attempts to use (1) ncpmount to append to the /etc/mtab file and (2) ncpumount to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.Show less
1Samba
1Samba
Apr 29, 2026
Apr 10, 2011
N/A· v4
N/A· v3
3.3 LOW· v2
smbfs in Samba 3.5.8 and earlier attempts to use (1) mount.cifs to append to the /etc/mtab file and (2) umount.cifs to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, whic...Show more
smbfs in Samba 3.5.8 and earlier attempts to use (1) mount.cifs to append to the /etc/mtab file and (2) umount.cifs to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.Show less
3Linux
RedhatSuse
7Enterprise Linux Desktop
Enterprise Linux EusEnterprise Linux Server+4 more
Apr 29, 2026
Apr 10, 2011
N/A· v4
N/A· v3
2.1 LOW· v2
The osf_partition function in fs/partitions/osf.c in the Linux kernel before 2.6.38 does not properly handle an invalid number of partitions, which might allow local users to obtain potentially sensitive information from...Show more
The osf_partition function in fs/partitions/osf.c in the Linux kernel before 2.6.38 does not properly handle an invalid number of partitions, which might allow local users to obtain potentially sensitive information from kernel heap memory via vectors related to partition-table parsing.Show less
2Canonical
Linux
2Linux Kernel
Ubuntu Linux
Apr 29, 2026
Apr 10, 2011
N/A· v4
N/A· v3
2.1 LOW· v2
The ocfs2_prepare_page_for_write function in fs/ocfs2/aops.c in the Oracle Cluster File System 2 (OCFS2) subsystem in the Linux kernel before 2.6.39-rc1 does not properly handle holes that cross page boundaries, which al...Show more
The ocfs2_prepare_page_for_write function in fs/ocfs2/aops.c in the Oracle Cluster File System 2 (OCFS2) subsystem in the Linux kernel before 2.6.39-rc1 does not properly handle holes that cross page boundaries, which allows local users to obtain potentially sensitive information from uninitialized disk locations by reading a file.Show less
1Roundcube
1Webmail
Apr 29, 2026
Apr 8, 2011
N/A· v4
N/A· v3
5.5 MEDIUM· v2
steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote authenticated users to...Show more
steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote authenticated users to trigger arbitrary outbound TCP connections from the server, and possibly obtain sensitive information, via a crafted request.Show less
1Roundcube
1Webmail
Apr 29, 2026
Apr 8, 2011
N/A· v4
N/A· v3
3.5 LOW· v2
The login form in Roundcube Webmail before 0.5.1 does not properly handle a correctly authenticated but unintended login attempt, which makes it easier for remote authenticated users to obtain sensitive information by ar...Show more
The login form in Roundcube Webmail before 0.5.1 does not properly handle a correctly authenticated but unintended login attempt, which makes it easier for remote authenticated users to obtain sensitive information by arranging for a victim to login to the attacker's account and then compose an e-mail message, related to a "login CSRF" issue.Show less
1Apache
1Tomcat
Apr 29, 2026
Apr 8, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The HTTP BIO connector in Apache Tomcat 7.0.x before 7.0.12 does not properly handle HTTP pipelining, which allows remote attackers to read responses intended for other clients in opportunistic circumstances by examining...Show more
The HTTP BIO connector in Apache Tomcat 7.0.x before 7.0.12 does not properly handle HTTP pipelining, which allows remote attackers to read responses intended for other clients in opportunistic circumstances by examining the application data in HTTP packets, related to "a mix-up of responses for requests from different users."Show less
3Canonical
DebianIsc
3Debian Linux
DhcpUbuntu Linux
Apr 29, 2026
Apr 8, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained fro...Show more
dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script.Show less
2Matthias Hopf
X
2X11
Xrdb
Apr 29, 2026
Apr 8, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.
3Foolabs
GlyphandcogT1lib
3T1lib
XpdfXpdfreader
Apr 29, 2026
Mar 31, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a craft...Show more
t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.Show less
1Gentoo
1Logrotate
Apr 29, 2026
Mar 30, 2011
N/A· v4
N/A· v3
6.9 MEDIUM· v2
The shred_file function in logrotate.c in logrotate 3.7.9 and earlier might allow context-dependent attackers to execute arbitrary commands via shell metacharacters in a log filename, as demonstrated by a filename that i...Show more
The shred_file function in logrotate.c in logrotate 3.7.9 and earlier might allow context-dependent attackers to execute arbitrary commands via shell metacharacters in a log filename, as demonstrated by a filename that is automatically constructed on the basis of a hostname or virtual machine name.Show less
2Apple
Google
4Chrome
Iphone OsItunes+1 more
Apr 29, 2026
Mar 25, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
Google Chrome before 10.0.648.204 does not properly handle SVG text, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer....Show more
Google Chrome before 10.0.648.204 does not properly handle SVG text, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer."Show less
2Apple
Google
3Chrome
Iphone OsSafari
Apr 29, 2026
Mar 25, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
WebKit, as used in Google Chrome before 10.0.648.204 and Apple Safari before 5.0.6, does not properly handle node parentage, which allows remote attackers to cause a denial of service (DOM tree corruption), conduct cross...Show more
WebKit, as used in Google Chrome before 10.0.648.204 and Apple Safari before 5.0.6, does not properly handle node parentage, which allows remote attackers to cause a denial of service (DOM tree corruption), conduct cross-site scripting (XSS) attacks, or possibly have unspecified other impact via unknown vectors.Show less
1Google
1Chrome
Apr 29, 2026
Mar 25, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
Google Chrome before 10.0.648.204 does not properly handle Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown ve...Show more
Google Chrome before 10.0.648.204 does not properly handle Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer."Show less
1Nicholas Thompson
1Relevant Content
Apr 29, 2026
Mar 23, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Relevant Content module 5.x before 5.x-1.4 and 6.x before 6.x-1.5 for Drupal does not properly implement node access logic, which allows remote attackers to discover restricted node titles and relationships.
1Apple
3Installer
Mac Os XMac Os X Server
Apr 29, 2026
Mar 23, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Install Helper in Installer in Apple Mac OS X before 10.6.7 does not properly process an unspecified URL, which might allow remote attackers to track user logins by logging network traffic from an agent that was intended...Show more
Install Helper in Installer in Apple Mac OS X before 10.6.7 does not properly process an unspecified URL, which might allow remote attackers to track user logins by logging network traffic from an agent that was intended to send network traffic to an Apple server.Show less
1Apple
2Mac Os X
Mac Os X Server
Apr 29, 2026
Mar 23, 2011
N/A· v4
N/A· v3
7.2 HIGH· v2
The i386_set_ldt system call in the kernel in Apple Mac OS X before 10.6.7 does not properly handle call gates, which allows local users to gain privileges via vectors involving the creation of a call gate entry.
1Kerio
2Connect
Kerio Mailserver
Apr 29, 2026
Mar 22, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sendi...Show more
The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411. NOTE: some of these details are obtained from third party information.Show less
1Ibm
1Lotus Quickr
Apr 29, 2026
Mar 22, 2011
N/A· v4
N/A· v3
3.5 LOW· v2
IBM Lotus Quickr 8.1 before 8.1.0.2 services for Lotus Domino does not properly handle URLs that request images, which allows remote authenticated users to cause a denial of service (daemon crash) via a request to resour...Show more
IBM Lotus Quickr 8.1 before 8.1.0.2 services for Lotus Domino does not properly handle URLs that request images, which allows remote authenticated users to cause a denial of service (daemon crash) via a request to resources.nsf, aka SPR XFXF7JDBCX.Show less
1Php
1Php
Apr 29, 2026
Mar 20, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a ziparchive stream that is not properly handled by the stream_get_contents function.