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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
1Pidgin
1Pidgin
Apr 29, 2026
Feb 24, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (applica...Show more
libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.Show less
2Adobe
Nos Microsystems
2Download Manager
Getplus Download Manager
Apr 29, 2026
Feb 23, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
A certain ActiveX control in NOS Microsystems getPlus Download Manager (aka DLM or Downloader) 1.5.2.35, as used in Adobe Download Manager, improperly validates requests involving web sites that are not in subdomains, wh...Show more
A certain ActiveX control in NOS Microsystems getPlus Download Manager (aka DLM or Downloader) 1.5.2.35, as used in Adobe Download Manager, improperly validates requests involving web sites that are not in subdomains, which allows remote attackers to force the download and installation of arbitrary programs via a crafted name for a download site.Show less
1Mit
2Kerberos
Kerberos 5
Apr 29, 2026
Feb 22, 2010
N/A· v4
N/A· v3
7.8 HIGH· v2
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.2, and 1.8 alpha, allows remote attackers to cause a denial of service (assertion failure and daemon crash) via an invalid (1) AS-REQ or (2) T...Show more
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.2, and 1.8 alpha, allows remote attackers to cause a denial of service (assertion failure and daemon crash) via an invalid (1) AS-REQ or (2) TGS-REQ request.Show less
1Microsoft
1Windows Server 2008
Apr 29, 2026
Feb 10, 2010
N/A· v4
N/A· v3
4.0 MEDIUM· v2
The Hyper-V server implementation in Microsoft Windows Server 2008 Gold, SP2, and R2 on the x64 platform allows guest OS users to cause a denial of service (host OS hang) via a crafted application that executes a malform...Show more
The Hyper-V server implementation in Microsoft Windows Server 2008 Gold, SP2, and R2 on the x64 platform allows guest OS users to cause a denial of service (host OS hang) via a crafted application that executes a malformed series of machine instructions, aka "Hyper-V Instruction Set Validation Vulnerability."Show less
1Microsoft
6Windows 2000
Windows 2003 ServerWindows 7+3 more
Apr 29, 2026
Feb 10, 2010
N/A· v4
N/A· v3
7.8 HIGH· v2
The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not...Show more
The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate the share and servername fields in SMB packets, which allows remote attackers to cause a denial of service (system hang) via a crafted packet, aka "SMB Null Pointer Vulnerability."Show less
1Microsoft
6Windows 2000
Windows 2003 ServerWindows 7+3 more
Apr 29, 2026
Feb 10, 2010
N/A· v4
N/A· v3
9.0 HIGH· v2
The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not...Show more
The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate request fields, which allows remote authenticated users to execute arbitrary code via a malformed request, aka "SMB Pathname Overflow Vulnerability."Show less
1Microsoft
3Windows 2000
Windows Server 2003Windows Xp
Apr 29, 2026
Feb 10, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
The SMB client implementation in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 does not properly validate response fields, which allows remote SMB servers and man-in-the-middle attackers to execute arbi...Show more
The SMB client implementation in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 does not properly validate response fields, which allows remote SMB servers and man-in-the-middle attackers to execute arbitrary code via a crafted response, aka "SMB Client Pool Corruption Vulnerability."Show less
1Nanosleep
1Trac Git
Apr 29, 2026
Feb 10, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
PyGIT.py in the Trac Git plugin (trac-git) before 0.0.20080710-3+lenny1 and before 0.0.20090320-1 on Debian GNU/Linux, when enabled in Trac, allows remote attackers to execute arbitrary commands via shell metacharacters...Show more
PyGIT.py in the Trac Git plugin (trac-git) before 0.0.20080710-3+lenny1 and before 0.0.20090320-1 on Debian GNU/Linux, when enabled in Trac, allows remote attackers to execute arbitrary commands via shell metacharacters in a crafted HTTP query that is used to generate a certain git command.Show less
1Geopp
1Geo++ Gncaster
Apr 29, 2026
Feb 4, 2010
N/A· v4
N/A· v3
7.5 HIGH· v2
Geo++ GNCASTER 1.4.0.7 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via multiple requests for a non-existent file using a long URI.
1Samba
1Samba
Apr 29, 2026
Feb 4, 2010
N/A· v4
N/A· v3
2.1 LOW· v2
client/mount.cifs.c in mount.cifs in smbfs in Samba 3.4.5 and earlier does not verify that the (1) device name and (2) mountpoint strings are composed of valid characters, which allows local users to cause a denial of se...Show more
client/mount.cifs.c in mount.cifs in smbfs in Samba 3.4.5 and earlier does not verify that the (1) device name and (2) mountpoint strings are composed of valid characters, which allows local users to cause a denial of service (mtab corruption) via a crafted string.Show less
1Asterisk
1Asterisk
Apr 29, 2026
Feb 4, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Asterisk Open Source 1.6.0.x before 1.6.0.22, 1.6.1.x before 1.6.1.14, and 1.6.2.x before 1.6.2.2, and Business Edition C.3 before C.3.3.2, allows remote attackers to cause a denial of service (daemon crash) via an SIP T...Show more
Asterisk Open Source 1.6.0.x before 1.6.0.22, 1.6.1.x before 1.6.1.14, and 1.6.2.x before 1.6.2.2, and Business Edition C.3 before C.3.3.2, allows remote attackers to cause a denial of service (daemon crash) via an SIP T.38 negotiation with an SDP FaxMaxDatagram field that is (1) missing, (2) modified to contain a negative number, or (3) modified to contain a large number.Show less
1Dinko Korunic
1Hybserv2
Apr 29, 2026
Feb 4, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a ":help \t" private message to the MemoServ service.
1Freebit
1Serversman
Apr 29, 2026
Feb 3, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
FreeBit ServersMan 3.1.5 on Apple iPhone OS 3.1.2, and iPhone OS for iPod touch, allows remote attackers to cause a denial of service (daemon crash) via a HEAD request for the / URI.
1Process One
1Ejabberd
Apr 29, 2026
Feb 3, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
ejabberd_c2s.erl in ejabberd before 2.1.3 allows remote attackers to cause a denial of service (daemon crash) via a large number of c2s (aka client2server) messages that trigger a queue overload.
1Sun
2Opensolaris
Solaris
Apr 29, 2026
Feb 3, 2010
N/A· v4
N/A· v3
4.9 MEDIUM· v2
The ucode_ioctl function in intel/io/ucode_drv.c in Sun Solaris 10 and OpenSolaris snv_69 through snv_133, when running on x86 architectures, allows local users to cause a denial of service (panic) via a request with a 0...Show more
The ucode_ioctl function in intel/io/ucode_drv.c in Sun Solaris 10 and OpenSolaris snv_69 through snv_133, when running on x86 architectures, allows local users to cause a denial of service (panic) via a request with a 0 size value to the UCODE_GET_VERSION IOCTL, which triggers a NULL pointer dereference in the ucode_get_rev function, related to retrieval of the microcode revision.Show less
1Squid Cache
1Squid
Apr 29, 2026
Feb 3, 2010
N/A· v4
N/A· v3
4.0 MEDIUM· v2
lib/rfc1035.c in Squid 2.x, 3.0 through 3.0.STABLE22, and 3.1 through 3.1.0.15 allows remote attackers to cause a denial of service (assertion failure) via a crafted DNS packet that only contains a header.
1Gnu
1Gzip
Apr 29, 2026
Jan 29, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The huft_build function in inflate.c in gzip before 1.3.13 creates a hufts (aka huffman) table that is too small, which allows remote attackers to cause a denial of service (application crash or infinite loop) or possibl...Show more
The huft_build function in inflate.c in gzip before 1.3.13 creates a hufts (aka huffman) table that is too small, which allows remote attackers to cause a denial of service (application crash or infinite loop) or possibly execute arbitrary code via a crafted archive. NOTE: this issue is caused by a CVE-2006-4334 regression.Show less
1Isc
1Bind
Apr 29, 2026
Jan 22, 2010
N/A· v4
N/A· v3
4.3 MEDIUM· v2
ISC BIND 9.0.x through 9.3.x, 9.4 before 9.4.3-P5, 9.5 before 9.5.2-P2, 9.6 before 9.6.1-P3, and 9.7.0 beta does not properly validate DNSSEC (1) NSEC and (2) NSEC3 records, which allows remote attackers to add the Authe...Show more
ISC BIND 9.0.x through 9.3.x, 9.4 before 9.4.3-P5, 9.5 before 9.5.2-P2, 9.6 before 9.6.1-P3, and 9.7.0 beta does not properly validate DNSSEC (1) NSEC and (2) NSEC3 records, which allows remote attackers to add the Authenticated Data (AD) flag to a forged NXDOMAIN response for an existing domain.Show less
1Bitscripts
1Bits Video Script
Apr 29, 2026
Jan 21, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Multiple unrestricted file upload vulnerabilities in (1) register.php and (2) addvideo.php in BitScripts Bits Video Script 2.04 and 2.05 Gold Beta allow remote attackers to execute arbitrary code by uploading a file with...Show more
Multiple unrestricted file upload vulnerabilities in (1) register.php and (2) addvideo.php in BitScripts Bits Video Script 2.04 and 2.05 Gold Beta allow remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an unspecified directory.Show less
1Sun
1Java System Web Server
Apr 23, 2026
Jan 20, 2010
N/A· v4
N/A· v3
10.0 HIGH· v2
Sun Java System Web Server (aka SJWS) 7.0 Update 7 allows remote attackers to overwrite memory locations in the heap, and discover the contents of memory locations, via a malformed HTTP TRACE request that includes a long...Show more
Sun Java System Web Server (aka SJWS) 7.0 Update 7 allows remote attackers to overwrite memory locations in the heap, and discover the contents of memory locations, via a malformed HTTP TRACE request that includes a long URI and many empty headers, related to an "overflow." NOTE: this might overlap CVE-2010-0272 and CVE-2010-0273.Show less