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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
1Winny
1Winny
Apr 29, 2026
Aug 25, 2010
N/A· v4
N/A· v3
10.0 HIGH· v2
Winny 2.0b7.1 and earlier does not properly process BBS information, which has unspecified impact and remote attack vectors that might lead to use of the product's host for DDoS attacks.
1Redhat
2Enterprise Virtualization
Kvm
Apr 29, 2026
Aug 24, 2010
N/A· v4
N/A· v3
6.6 MEDIUM· v2
QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly validate guest QXL driver pointers, which allows guest OS users to cause a denial of...Show more
QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly validate guest QXL driver pointers, which allows guest OS users to cause a denial of service (invalid pointer dereference and guest OS crash) or possibly gain privileges via unspecified vectors.Show less
1Redhat
2Enterprise Virtualization
Qspice
Apr 29, 2026
Aug 24, 2010
N/A· v4
N/A· v3
6.6 MEDIUM· v2
libspice, as used in QEMU-KVM in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and qspice 0.3.0, does not properly validate guest QXL driver pointers, which allows guest OS users to...Show more
libspice, as used in QEMU-KVM in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and qspice 0.3.0, does not properly validate guest QXL driver pointers, which allows guest OS users to cause a denial of service (invalid pointer dereference and guest OS crash) or possibly gain privileges via unspecified vectors.Show less
1Novell
1Iprint
Apr 29, 2026
Aug 23, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
The ienipp.ocx ActiveX control in the browser plugin in Novell iPrint Client before 5.42 does not properly validate the debug parameter, which allows remote attackers to execute arbitrary code or cause a denial of servic...Show more
The ienipp.ocx ActiveX control in the browser plugin in Novell iPrint Client before 5.42 does not properly validate the debug parameter, which allows remote attackers to execute arbitrary code or cause a denial of service (stack memory corruption) via a parameter value with a crafted length, related to the ExecuteRequest method.Show less
1Cacti
1Cacti
Apr 29, 2026
Aug 23, 2010
N/A· v4
N/A· v3
6.5 MEDIUM· v2
Cacti before 0.8.7f, as used in Red Hat High Performance Computing (HPC) Solution and other products, allows remote authenticated administrators to execute arbitrary commands via shell metacharacters in (1) the FQDN fiel...Show more
Cacti before 0.8.7f, as used in Red Hat High Performance Computing (HPC) Solution and other products, allows remote authenticated administrators to execute arbitrary commands via shell metacharacters in (1) the FQDN field of a Device or (2) the Vertical Label field of a Graph Template.Show less
1Videolan
1Vlc Media Player
Apr 29, 2026
Aug 20, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The ReadMetaFromId3v2 function in taglib.cpp in the TagLib plugin in VideoLAN VLC media player 0.9.0 through 1.1.2 does not properly process ID3v2 tags, which allows remote attackers to cause a denial of service (applica...Show more
The ReadMetaFromId3v2 function in taglib.cpp in the TagLib plugin in VideoLAN VLC media player 0.9.0 through 1.1.2 does not properly process ID3v2 tags, which allows remote attackers to cause a denial of service (application crash) via a crafted media file.Show less
1Anibal Monsalve Salaz
1Ssmtp
Apr 29, 2026
Aug 20, 2010
N/A· v4
N/A· v3
2.1 LOW· v2
The standardise function in Anibal Monsalve Salazar sSMTP 2.61 and 2.62 allows local users to cause a denial of service (application exit) via an e-mail message containing a long line that begins with a . (dot) character...Show more
The standardise function in Anibal Monsalve Salazar sSMTP 2.61 and 2.62 allows local users to cause a denial of service (application exit) via an e-mail message containing a long line that begins with a . (dot) character. NOTE: CVE disputes this issue because it is solely a usability problem for senders of messages with certain long lines, and has no security impactShow less
1Freetype
1Freetype
Apr 29, 2026
Aug 19, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
bdf/bdflib.c in FreeType before 2.4.2 allows remote attackers to cause a denial of service (application crash) via a crafted BDF font file, related to an attempted modification of a value in a static string.
3Apple
CanonicalFreetype
5Freetype
Iphone OsMac Os X+2 more
Apr 29, 2026
Aug 19, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The FT_Stream_EnterFrame function in base/ftstream.c in FreeType before 2.4.2 does not properly validate certain position values, which allows remote attackers to cause a denial of service (application crash) or possibly...Show more
The FT_Stream_EnterFrame function in base/ftstream.c in FreeType before 2.4.2 does not properly validate certain position values, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file.Show less
1Znc
1Znc
Apr 29, 2026
Aug 17, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Client.cpp in ZNC 0.092 allows remote attackers to cause a denial of service (exception and daemon crash) via a PING command that lacks an argument.
1Cisco
1Ios
Apr 29, 2026
Aug 16, 2010
N/A· v4
N/A· v3
7.8 HIGH· v2
Cisco IOS 15.1(2)T allows remote attackers to cause a denial of service (resource consumption and TCP outage) via spoofed TCP packets, related to embryonic TCP connections that remain in the SYN_RCVD or SYN_SENT state, a...Show more
Cisco IOS 15.1(2)T allows remote attackers to cause a denial of service (resource consumption and TCP outage) via spoofed TCP packets, related to embryonic TCP connections that remain in the SYN_RCVD or SYN_SENT state, aka Bug ID CSCti18193.Show less
1Wireshark
1Wireshark
Apr 29, 2026
Aug 13, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The IPMI dissector in Wireshark 1.2.0 through 1.2.9 allows remote attackers to cause a denial of service (infinite loop) via unknown vectors.
1Microsoft
3Windows 2003 Server
Windows Server 2003Windows Xp
Apr 29, 2026
Aug 11, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
The Secure Channel (aka SChannel) security package in Microsoft Windows XP SP2 and SP3, and Windows Server 2003 SP2, does not properly validate certificate request messages from TLS and SSL servers, which allows remote s...Show more
The Secure Channel (aka SChannel) security package in Microsoft Windows XP SP2 and SP3, and Windows Server 2003 SP2, does not properly validate certificate request messages from TLS and SSL servers, which allows remote servers to execute arbitrary code via a crafted SSL response, aka "SChannel Malformed Certificate Request Remote Code Execution Vulnerability."Show less
1Microsoft
3Windows 7
Windows Server 2008Windows Vista
Apr 29, 2026
Aug 11, 2010
N/A· v4
N/A· v3
7.8 HIGH· v2
The SMB Server in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate an internal variable in an SMB packet, which allows remote attackers to cause a denia...Show more
The SMB Server in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate an internal variable in an SMB packet, which allows remote attackers to cause a denial of service (system hang) via a crafted (1) SMBv1 or (2) SMBv2 packet, aka "SMB Variable Validation Vulnerability."Show less
1Microsoft
6Windows 2003 Server
Windows 7Windows Server 2003+3 more
Apr 29, 2026
Aug 11, 2010
N/A· v4
N/A· v3
10.0 HIGH· v2
The SMB Server in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate fields in an SMB request, which allo...Show more
The SMB Server in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate fields in an SMB request, which allows remote attackers to execute arbitrary code via a crafted SMB packet, aka "SMB Pool Overflow Vulnerability."Show less
1Microsoft
6Windows 2003 Server
Windows 7Windows Server 2003+3 more
Apr 29, 2026
Aug 11, 2010
N/A· v4
N/A· v3
7.2 HIGH· v2
The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 do not properly validate pseudo-...Show more
The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 do not properly validate pseudo-handle values in callback parameters during window creation, which allows local users to gain privileges via a crafted application, aka "Win32k Window Creation Vulnerability."Show less
1Microsoft
5Windows 2003 Server
Windows Server 2003Windows Server 2008+2 more
Apr 29, 2026
Aug 11, 2010
N/A· v4
8.4 HIGH· v3
7.2 HIGH· v2
The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, and Windows Server 2008 Gold and SP2 do not properly validate user-mode input passed...Show more
The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, and Windows Server 2008 Gold and SP2 do not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka "Win32k User Input Validation Vulnerability."Show less
1Microsoft
3Windows 7
Windows Server 2008Windows Vista
Apr 29, 2026
Aug 11, 2010
N/A· v4
N/A· v3
4.6 MEDIUM· v2
The kernel in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate ACLs on kernel objects, which allows local users to cause a denial of service (reboot) vi...Show more
The kernel in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate ACLs on kernel objects, which allows local users to cause a denial of service (reboot) via a crafted application, aka "Windows Kernel Improper Validation Vulnerability."Show less
1Microsoft
6Windows 2003 Server
Windows 7Windows Server 2003+3 more
Apr 29, 2026
Aug 11, 2010
N/A· v4
N/A· v3
4.4 MEDIUM· v2
The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 do not properly validate an unsp...Show more
The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 do not properly validate an unspecified system-call argument, which allows local users to cause a denial of service (system hang) via a crafted application, aka "Win32k Bounds Checking Vulnerability."Show less
1Redhat
2Jboss Enterprise Service Bus
Jboss Enterprise Soa Platform
Apr 29, 2026
Aug 10, 2010
N/A· v4
N/A· v3
3.5 LOW· v2
JBoss Enterprise Service Bus (ESB) before 4.7 CP02 in JBoss Enterprise SOA Platform before 5.0.2 does not properly consider the security domain with which a service is secured, which might allow remote attackers to gain...Show more
JBoss Enterprise Service Bus (ESB) before 4.7 CP02 in JBoss Enterprise SOA Platform before 5.0.2 does not properly consider the security domain with which a service is secured, which might allow remote attackers to gain privileges by executing a service.Show less