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CWE-20

12,723 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 (12,723)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Adobe
1Acrobat Reader
Apr 23, 2026
Mar 25, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 might allow remote attackers to execute arbitrary code via unknown attack vectors related to JBIG2 and "input validation,...Show more
Unspecified vulnerability in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 might allow remote attackers to execute arbitrary code via unknown attack vectors related to JBIG2 and "input validation," a different vulnerability than CVE-2009-0193 and CVE-2009-1062.Show less
1Igniterealtime
1Openfire
Apr 23, 2026
Mar 23, 2009
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Open redirect vulnerability in login.jsp in Openfire 3.6.0a and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter.
1Videolan
1Vlc Media Player
Apr 23, 2026
Mar 23, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
requests/status.xml in VLC 0.9.8a allows remote attackers to cause a denial of service (stack consumption and crash) via a long input argument in an in_play action.
2Apache
Opensymphony
2Struts
Xwork
Apr 23, 2026
Mar 23, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not properly restrict # (pound sign) references to context objects, which allows re...Show more
ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not properly restrict # (pound sign) references to context objects, which allows remote attackers to execute Object-Graph Navigation Language (OGNL) statements and modify server-side context objects, as demonstrated by use of a \u0023 representation for the # character.Show less
1Tp
1Neostrada Livebox Adsl Router
Apr 23, 2026
Mar 20, 2009
N/A· v4
N/A· v3
7.8 HIGH· v2
The Neostrada Livebox ADSL Router allows remote attackers to cause a denial of service (network outage) via multiple HTTP requests for the /- URI.
1Tizag
1Tizag Countdown Creator
Apr 23, 2026
Mar 20, 2009
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Unrestricted file upload vulnerability in process.php in Tizag Countdown Creator 3 allows remote attackers to execute arbitrary code by uploading a file with an executable extension via index.php, then accessing the uplo...Show more
Unrestricted file upload vulnerability in process.php in Tizag Countdown Creator 3 allows remote attackers to execute arbitrary code by uploading a file with an executable extension via index.php, then accessing the uploaded file via a direct request to the file in pics/. NOTE: some of these details are obtained from third party information.Show less
1Adobe
1Acrobat Reader
Apr 22, 2026
Mar 19, 2009
N/A· v4
8.8 HIGH· v3
9.3 HIGH· v2
Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab o...Show more
Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab object, a different vulnerability than CVE-2009-0658.Show less
1Flashtux
1Weechat
Apr 23, 2026
Mar 19, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Wee Enhanced Environment for Chat (WeeChat) 0.2.6 allows remote attackers to cause a denial of service (crash) via an IRC PRIVMSG command containing crafted color codes that trigger an out-of-bounds read.
1Flysforum
1Flaber
Apr 23, 2026
Mar 19, 2009
N/A· v4
N/A· v3
7.5 HIGH· v2
function/update_xml.php in FLABER 1.1 and earlier allows remote attackers to overwrite arbitrary files by specifying the target filename in the target_file parameter. NOTE: this can be leveraged for code execution by ov...Show more
function/update_xml.php in FLABER 1.1 and earlier allows remote attackers to overwrite arbitrary files by specifying the target filename in the target_file parameter. NOTE: this can be leveraged for code execution by overwriting a PHP file, as demonstrated using function/upload_file.php.Show less
1Mandriva
3Linux
Linux Corporate ServerMulti Network Firewall
Apr 23, 2026
Mar 16, 2009
N/A· v4
N/A· v3
7.2 HIGH· v2
perl-MDK-Common 1.1.11 and 1.1.24, 1.2.9 through 1.2.14, and possibly other versions, in Mandriva Linux does not properly handle strings when writing them to configuration files, which allows attackers to gain privileges...Show more
perl-MDK-Common 1.1.11 and 1.1.24, 1.2.9 through 1.2.14, and possibly other versions, in Mandriva Linux does not properly handle strings when writing them to configuration files, which allows attackers to gain privileges via "special characters" in unspecified vectors.Show less
1Gnome
1Evolution Data Server
Apr 23, 2026
Mar 14, 2009
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The ntlm_challenge function in the NTLM SASL authentication mechanism in camel/camel-sasl-ntlm.c in Camel in Evolution Data Server (aka evolution-data-server) 2.24.5 and earlier, and 2.25.92 and earlier 2.25.x versions,...Show more
The ntlm_challenge function in the NTLM SASL authentication mechanism in camel/camel-sasl-ntlm.c in Camel in Evolution Data Server (aka evolution-data-server) 2.24.5 and earlier, and 2.25.92 and earlier 2.25.x versions, does not validate whether a certain length value is consistent with the amount of data in a challenge packet, which allows remote mail servers to read information from the process memory of a client, or cause a denial of service (client crash), via an NTLM authentication type 2 packet with a length value that exceeds the amount of packet data.Show less
1Apple
1Itunes
Apr 23, 2026
Mar 14, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Apple iTunes before 8.1 on Windows allows remote attackers to cause a denial of service (infinite loop) via a Digital Audio Access Protocol (DAAP) message with a crafted Content-Length header.
1Ibm
1Director
Apr 23, 2026
Mar 12, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The CIM server in IBM Director before 5.20.3 Service Update 2 on Windows allows remote attackers to cause a denial of service (daemon crash) via a long consumer name, as demonstrated by an M-POST request to a long /CIMLi...Show more
The CIM server in IBM Director before 5.20.3 Service Update 2 on Windows allows remote attackers to cause a denial of service (daemon crash) via a long consumer name, as demonstrated by an M-POST request to a long /CIMListener/ URI.Show less
1Digium
1Asterisk
Apr 23, 2026
Mar 11, 2009
N/A· v4
N/A· v3
3.5 LOW· v2
The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authentica...Show more
The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.Show less
1Microsoft
3Windows 2000
Windows Server 2003Windows Server 2008
Apr 23, 2026
Mar 11, 2009
N/A· v4
N/A· v3
6.4 MEDIUM· v2
The DNS Resolver Cache Service (aka DNSCache) in Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008 does not properly cache crafted DNS responses, which makes it easier for remote...Show more
The DNS Resolver Cache Service (aka DNSCache) in Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008 does not properly cache crafted DNS responses, which makes it easier for remote attackers to predict transaction IDs and poison caches by sending many crafted DNS queries that trigger "unnecessary lookups," aka "DNS Server Response Validation Vulnerability."Show less
1Microsoft
3Windows 2000
Windows Server 2003Windows Server 2008
Apr 23, 2026
Mar 11, 2009
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The DNS Resolver Cache Service (aka DNSCache) in Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008, when dynamic updates are enabled, does not reuse cached DNS responses in all ap...Show more
The DNS Resolver Cache Service (aka DNSCache) in Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008, when dynamic updates are enabled, does not reuse cached DNS responses in all applicable situations, which makes it easier for remote attackers to predict transaction IDs and poison caches by simultaneously sending crafted DNS queries and responses, aka "DNS Server Query Validation Vulnerability."Show less
1Microsoft
3Windows 2000
Windows Server 2003Windows Server 2008
Apr 23, 2026
Mar 11, 2009
N/A· v4
N/A· v3
3.5 LOW· v2
Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008, when dynamic updates are enabled, does not restrict registration of the "wpad" hostname, which allows remote authenticated users...Show more
Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008, when dynamic updates are enabled, does not restrict registration of the "wpad" hostname, which allows remote authenticated users to hijack the Web Proxy Auto-Discovery (WPAD) feature, and conduct man-in-the-middle attacks by spoofing a proxy server, via a Dynamic Update request for this hostname, aka "DNS Server Vulnerability in WPAD Registration Vulnerability," a related issue to CVE-2007-1692.Show less
1Microsoft
5Windows 2000
Windows Server 2003Windows Server 2008+2 more
Apr 23, 2026
Mar 10, 2009
N/A· v4
N/A· v3
7.2 HIGH· v2
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 does not properly handle invalid pointers, which allows local users to gain privileges via an application that triggers use of a crafted point...Show more
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 does not properly handle invalid pointers, which allows local users to gain privileges via an application that triggers use of a crafted pointer, aka "Windows Kernel Invalid Pointer Vulnerability."Show less
1Microsoft
5Windows 2000
Windows Server 2003Windows Server 2008+2 more
Apr 23, 2026
Mar 10, 2009
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 does not properly validate handles, which allows local users to gain privileges via a crafted applica...Show more
The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 does not properly validate handles, which allows local users to gain privileges via a crafted application that triggers unspecified "actions," aka "Windows Kernel Handle Validation Vulnerability."Show less
1Microsoft
5Windows 2000
Windows Server 2003Windows Server 2008+2 more
Apr 23, 2026
Mar 10, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
The graphics device interface (GDI) implementation in the kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 does not properly validate input received from...Show more
The graphics device interface (GDI) implementation in the kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 does not properly validate input received from user mode, which allows remote attackers to execute arbitrary code via a crafted (1) Windows Metafile (aka WMF) or (2) Enhanced Metafile (aka EMF) image file, aka "Windows Kernel Input Validation Vulnerability."Show less