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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
1Microsoft
3Excel
OfficeOpen Xml File Format Converter
Apr 29, 2026
Oct 13, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac do not properly validate record information, which allows remote attackers to execute arbitrary code via a c...Show more
Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac do not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Out Of Bounds Array Vulnerability."Show less
1Microsoft
1Excel
Apr 29, 2026
Oct 13, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft Excel 2002 SP3 does not properly validate formula information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Formula Biff Record Vulnerability."
1Microsoft
1Excel
Apr 29, 2026
Oct 13, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft Excel 2002 SP3 does not properly validate formula information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Formula Substream Memory Corruption Vulnerability."
1Microsoft
1Excel
Apr 29, 2026
Oct 13, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft Excel 2002 SP3 and 2003 SP3 does not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted .wk3 (aka Lotus 1-2-3 workbook) file, aka "Lotus 1-2-3 Workbook P...Show more
Microsoft Excel 2002 SP3 and 2003 SP3 does not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted .wk3 (aka Lotus 1-2-3 workbook) file, aka "Lotus 1-2-3 Workbook Parsing Vulnerability."Show less
1Microsoft
5Excel
Excel ViewerOffice+2 more
Apr 29, 2026
Oct 13, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft Excel 2003 SP3 and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 do not pr...Show more
Microsoft Excel 2003 SP3 and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 do not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Excel File Format Parsing Vulnerability."Show less
1Microsoft
3Excel
OfficeOpen Xml File Format Converter
Apr 29, 2026
Oct 13, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac do not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted Excel...Show more
Microsoft Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac do not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Excel Record Parsing Memory Corruption Vulnerability."Show less
1Microsoft
3Windows 7
Windows Server 2008Windows Vista
Apr 29, 2026
Oct 13, 2010
N/A· v4
N/A· v3
7.1 HIGH· v2
The Secure Channel (aka SChannel) security package in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, when IIS 7.x is used, does not properly process client certificates during...Show more
The Secure Channel (aka SChannel) security package in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7, when IIS 7.x is used, does not properly process client certificates during SSL and TLS handshakes, which allows remote attackers to cause a denial of service (LSASS outage and reboot) via a crafted packet, aka "TLSv1 Denial of Service Vulnerability."Show less
1Mit
1Kerberos 5
Apr 29, 2026
Oct 7, 2010
N/A· v4
N/A· v3
6.5 MEDIUM· v2
The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote at...Show more
The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote attackers to cause a denial of service (daemon crash), or possibly obtain sensitive information, spoof authorization, or execute arbitrary code, via a TGS request that triggers an uninitialized pointer dereference, as demonstrated by a request from a Windows Active Directory client.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Array index error in Adobe Reader and Acrobat 8.x before 8.2.5 and 9.x before 9.4 on Mac OS X allows attackers to execute arbitrary code via unspecified vectors.
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted image, a different vulnerability than CVE-2010-...Show more
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted image, a different vulnerability than CVE-2010-3620.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via unknown vectors.
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted font, a different vulnerability than CVE-2010-2...Show more
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted font, a different vulnerability than CVE-2010-2889.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in Adobe Reader and Acrobat 8.x before 8.2.5 and 9.x before 9.4 on Mac OS X allows attackers to execute arbitrary code via a crafted image.
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted image, a different vulnerability than CVE-2010-...Show more
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted image, a different vulnerability than CVE-2010-3629.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted font, a different vulnerability than CVE-2010-3...Show more
Unspecified vulnerability in Adobe Reader and Acrobat 9.x before 9.4, and 8.x before 8.2.5 on Windows and Mac OS X, allows attackers to execute arbitrary code via a crafted font, a different vulnerability than CVE-2010-3626.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 29, 2026
Oct 6, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Multiple unspecified vulnerabilities in an ActiveX control in Adobe Reader and Acrobat 8.x before 8.2.5 and 9.x before 9.4 on Windows allow attackers to execute arbitrary code via unknown vectors.
1Isc
1Bind
Apr 29, 2026
Oct 5, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
ISC BIND before 9.7.2-P2, when DNSSEC validation is enabled, does not properly handle certain bad signatures if multiple trust anchors exist for a single zone, which allows remote attackers to cause a denial of service (...Show more
ISC BIND before 9.7.2-P2, when DNSSEC validation is enabled, does not properly handle certain bad signatures if multiple trust anchors exist for a single zone, which allows remote attackers to cause a denial of service (daemon crash) via a DNS query.Show less
1Ibm
1Tivoli Storage Manager Fastback
Apr 29, 2026
Oct 5, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The _CalcHashValueWithLength function in FastBackServer.exe in the Server in IBM Tivoli Storage Manager (TSM) FastBack 5.5.0.0 through 5.5.6.0 and 6.1.0.0 through 6.1.0.1 does not properly validate an unspecified length...Show more
The _CalcHashValueWithLength function in FastBackServer.exe in the Server in IBM Tivoli Storage Manager (TSM) FastBack 5.5.0.0 through 5.5.6.0 and 6.1.0.0 through 6.1.0.1 does not properly validate an unspecified length value, which allows remote attackers to cause a denial of service (daemon crash) by sending data over TCP. NOTE: this might overlap CVE-2010-3060.Show less
1Ibm
1Db2
Apr 29, 2026
Oct 5, 2010
N/A· v4
N/A· v3
3.5 LOW· v2
The DRDA Services component in IBM DB2 UDB 9.5 before FP6a allows remote authenticated users to cause a denial of service (database server ABEND) by using the client CLI on Linux, UNIX, or Windows for executing a prepare...Show more
The DRDA Services component in IBM DB2 UDB 9.5 before FP6a allows remote authenticated users to cause a denial of service (database server ABEND) by using the client CLI on Linux, UNIX, or Windows for executing a prepared statement with a large number of parameter markers.Show less
2Canonical
Linux
2Linux Kernel
Ubuntu Linux
Apr 29, 2026
Sep 29, 2010
N/A· v4
N/A· v3
2.1 LOW· v2
fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain legacy format for storage of extended attributes, which might allow local users by bypass intended xattr namespace restrictions via an...Show more
fs/jfs/xattr.c in the Linux kernel before 2.6.35.2 does not properly handle a certain legacy format for storage of extended attributes, which might allow local users by bypass intended xattr namespace restrictions via an "os2." substring at the beginning of a name.Show less