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CWE-20

13,702 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 (13,702)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Ibm
1Tivoli Directory Server
Apr 29, 2026
Apr 21, 2011
N/A· v4
N/A· v3
4.0 MEDIUM· v2
IBM Tivoli Directory Server (TDS) 5.2 before 5.2.0.5-TIV-ITDS-LA0007 does not properly handle the simultaneous changing of multiple passwords, which makes it easier for remote authenticated users to cause a denial of ser...Show more
IBM Tivoli Directory Server (TDS) 5.2 before 5.2.0.5-TIV-ITDS-LA0007 does not properly handle the simultaneous changing of multiple passwords, which makes it easier for remote authenticated users to cause a denial of service (DB2 daemon deadlock) by making password changes that trigger updates to a DB2 password-history table.Show less
1Mit
1Kerberos 5
Apr 29, 2026
Apr 15, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary cod...Show more
The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.Show less
1Microsoft
6Windows 2003 Server
Windows 7Windows Server 2003+3 more
Apr 29, 2026
Apr 13, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
The SMB Server service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate fields...Show more
The SMB Server service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate fields in SMB requests, which allows remote attackers to execute arbitrary code via a malformed request in a (1) SMBv1 or (2) SMBv2 packet, aka "SMB Transaction Parsing Vulnerability."Show less
1Microsoft
6Windows 2003 Server
Windows 7Windows Server 2003+3 more
Apr 29, 2026
Apr 13, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
The SMB client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote SMB servers to execute arbit...Show more
The SMB client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote SMB servers to execute arbitrary code via a crafted (1) SMBv1 or (2) SMBv2 response, aka "SMB Client Response Parsing Vulnerability."Show less
1Microsoft
6Windows 2003 Server
Windows 7Windows Server 2003+3 more
Apr 29, 2026
Apr 13, 2011
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
DNSAPI.dll in the DNS client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly process DN...Show more
DNSAPI.dll in the DNS client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly process DNS queries, which allows remote attackers to execute arbitrary code via (1) a crafted LLMNR broadcast query or (2) a crafted application, aka "DNS Query Vulnerability."Show less
1Microsoft
7Office
Office Compatibility PackOffice Powerpoint Viewer+4 more
Apr 29, 2026
Apr 13, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft PowerPoint 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; P...Show more
Microsoft PowerPoint 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; PowerPoint Viewer; PowerPoint Viewer 2007 SP2; and PowerPoint Web App do not properly validate PersistDirectoryEntry records in PowerPoint documents, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a Slide with a malformed record, which triggers an exception and later use of an unspecified method, aka "Persist Directory RCE Vulnerability."Show less
1Microsoft
7Office
Office Compatibility PackOffice Powerpoint Viewer+4 more
Apr 29, 2026
Apr 13, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft PowerPoint 2007 SP2 and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; PowerPoint Viewer; Pow...Show more
Microsoft PowerPoint 2007 SP2 and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; PowerPoint Viewer; PowerPoint Viewer 2007 SP2; and PowerPoint Web App do not properly validate TimeColorBehaviorContainer Floating Point records in PowerPoint documents, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document containing an invalid record, aka "Floating Point Techno-color Time Bandit RCE Vulnerability."Show less
1Microsoft
1.net Framework
Apr 29, 2026
Apr 13, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
The x86 JIT compiler in Microsoft .NET Framework 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 does not properly compile function calls, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser applicati...Show more
The x86 JIT compiler in Microsoft .NET Framework 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 does not properly compile function calls, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka ".NET Framework Stack Corruption Vulnerability."Show less
1Roy Marples
1Dhcpcd
Apr 29, 2026
Apr 13, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.
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