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CWE-20

12,711 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 (12,711)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Nov 13, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
jslock.cpp in Mozilla Firefox 3.x before 3.0.2, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) and possibly exec...Show more
jslock.cpp in Mozilla Firefox 3.x before 3.0.2, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by modifying the window.__proto__.__proto__ object in a way that causes a lock on a non-native object, which triggers an assertion failure related to the OBJ_IS_NATIVE function.Show less
1Chilkat Software
1Chilkat Crypt Activex Control
Apr 23, 2026
Nov 10, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
Insecure method vulnerability in the ChilkatCrypt2.ChilkatCrypt2.1 ActiveX control (ChilkatCrypt2.dll 4.3.2.1) in Chilkat Crypt ActiveX Component allows remote attackers to create and overwrite arbitrary files via the Wr...Show more
Insecure method vulnerability in the ChilkatCrypt2.ChilkatCrypt2.1 ActiveX control (ChilkatCrypt2.dll 4.3.2.1) in Chilkat Crypt ActiveX Component allows remote attackers to create and overwrite arbitrary files via the WriteFile method. NOTE: this could be leveraged for code execution by creating executable files in Startup folders or by accessing files using hcp:// URLs. NOTE: some of these details are obtained from third party information.Show less
1Nortel
1Unistim Ip Phone
Apr 23, 2026
Nov 7, 2008
N/A· v4
N/A· v3
7.8 HIGH· v2
Nortel Networks UNIStim IP Phone 0604DAS allows remote attackers to cause a denial of service (crash) via a long ping packet ("ping of death"). NOTE: this issue could not be reproduced by a third party, who tested it on...Show more
Nortel Networks UNIStim IP Phone 0604DAS allows remote attackers to cause a denial of service (crash) via a long ping packet ("ping of death"). NOTE: this issue could not be reproduced by a third party, who tested it on 0604DAD. In addition, the original researcher was not able to reliably reproduce the issue.Show less
3Canonical
DebianLinux
3Debian Linux
Linux KernelUbuntu Linux
Apr 23, 2026
Nov 5, 2008
N/A· v4
N/A· v3
7.8 HIGH· v2
The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to ca...Show more
The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to cause a denial of service (system crash) via a crafted hfsplus filesystem image.Show less
1Comingchina
1U Mail Webmail Server
Apr 23, 2026
Nov 5, 2008
N/A· v4
N/A· v3
9.0 HIGH· v2
webmail/modules/filesystem/edit.php in U-Mail Webmail server 4.91 allows remote attackers to overwrite arbitrary files via an absolute pathname in the path parameter and arbitrary content in the content parameter. NOTE:...Show more
webmail/modules/filesystem/edit.php in U-Mail Webmail server 4.91 allows remote attackers to overwrite arbitrary files via an absolute pathname in the path parameter and arbitrary content in the content parameter. NOTE: this can be leveraged for code execution by writing to a file under the web document root.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 23, 2026
Nov 5, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
The Download Manager in Adobe Acrobat Professional and Reader 8.1.2 and earlier allows remote attackers to execute arbitrary code via a crafted PDF document that calls an AcroJS function with a long string argument, trig...Show more
The Download Manager in Adobe Acrobat Professional and Reader 8.1.2 and earlier allows remote attackers to execute arbitrary code via a crafted PDF document that calls an AcroJS function with a long string argument, triggering heap corruption.Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 23, 2026
Nov 5, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
Unspecified vulnerability in a JavaScript method in Adobe Reader and Acrobat 8.1.2 and earlier, and before 7.1.1, allows remote attackers to execute arbitrary code via unknown vectors, related to an "input validation iss...Show more
Unspecified vulnerability in a JavaScript method in Adobe Reader and Acrobat 8.1.2 and earlier, and before 7.1.1, allows remote attackers to execute arbitrary code via unknown vectors, related to an "input validation issue."Show less
1Adobe
2Acrobat
Acrobat Reader
Apr 23, 2026
Nov 5, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
Array index error in Adobe Reader and Acrobat, and the Explorer extension (aka AcroRd32Info), 8.1.2, 8.1.1, and earlier allows remote attackers to execute arbitrary code via a crafted PDF document that triggers an out-of...Show more
Array index error in Adobe Reader and Acrobat, and the Explorer extension (aka AcroRd32Info), 8.1.2, 8.1.1, and earlier allows remote attackers to execute arbitrary code via a crafted PDF document that triggers an out-of-bounds write, related to parsing of Type 1 fonts.Show less
1Mybb
1Mybb
Apr 23, 2026
Nov 4, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
MyBB (aka MyBulletinBoard) 1.4.2 does not properly handle an uploaded file with a nonstandard file type that contains HTML sequences, which allows remote attackers to cause that file to be processed as HTML by Internet E...Show more
MyBB (aka MyBulletinBoard) 1.4.2 does not properly handle an uploaded file with a nonstandard file type that contains HTML sequences, which allows remote attackers to cause that file to be processed as HTML by Internet Explorer's content inspection, aka "Incomplete protection against MIME-sniffing." NOTE: this could be leveraged for XSS and other attacks.Show less
1Microsoft
1Windows Media Player
Apr 23, 2026
Nov 4, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Microsoft Windows Media Player (WMP) 9.0 through 11 allows user-assisted attackers to cause a denial of service (application crash) via a malformed (1) MIDI or (2) DAT file, related to "MThd Header Parsing." NOTE: the pr...Show more
Microsoft Windows Media Player (WMP) 9.0 through 11 allows user-assisted attackers to cause a denial of service (application crash) via a malformed (1) MIDI or (2) DAT file, related to "MThd Header Parsing." NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.Show less
1Visagesoft
1Expert Pdf Viewer Activex
Apr 23, 2026
Nov 4, 2008
N/A· v4
N/A· v3
8.8 HIGH· v2
Insecure method vulnerability in VISAGESOFT eXPert PDF Viewer X ActiveX control (VSPDFViewerX.ocx) 3.0.990.0 allows remote attackers to overwrite arbitrary files via a full pathname to the savePageAsBitmap method.
1Dovecot
1Dovecot
Apr 23, 2026
Nov 4, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The message parsing feature in Dovecot 1.1.4 and 1.1.5, when using the FETCH ENVELOPE command in the IMAP client, allows remote attackers to cause a denial of service (persistent crash) via an email with a malformed From...Show more
The message parsing feature in Dovecot 1.1.4 and 1.1.5, when using the FETCH ENVELOPE command in the IMAP client, allows remote attackers to cause a denial of service (persistent crash) via an email with a malformed From address, which triggers an assertion error, aka "invalid message address parsing bug."Show less
1Sun
1Java Web Start
Apr 23, 2026
Nov 4, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
The BasicService in Sun Java Web Start allows remote attackers to execute arbitrary programs on a client machine via a file:// URL argument to the showDocument method.
1Mywebcards
1Webcards
Apr 23, 2026
Nov 1, 2008
N/A· v4
N/A· v3
8.5 HIGH· v2
Unrestricted file upload vulnerability in the "Add Image Macro" feature in WebCards 1.3 allows remote authenticated administrators to execute arbitrary code by uploading a file with an executable extension, then accessin...Show more
Unrestricted file upload vulnerability in the "Add Image Macro" feature in WebCards 1.3 allows remote authenticated administrators to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the uploaded file.Show less
1Net Snmp
1Net Snmp
May 28, 2026
Oct 31, 2008
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Integer overflow in the netsnmp_create_subtree_cache function in agent/snmp_agent.c in net-snmp 5.4 before 5.4.2.1, 5.3 before 5.3.2.3, and 5.2 before 5.2.5.1 allows remote attackers to cause a denial of service (crash)...Show more
Integer overflow in the netsnmp_create_subtree_cache function in agent/snmp_agent.c in net-snmp 5.4 before 5.4.2.1, 5.3 before 5.3.2.3, and 5.2 before 5.2.5.1 allows remote attackers to cause a denial of service (crash) via a crafted SNMP GETBULK request, which triggers a heap-based buffer overflow, related to the number of responses or repeats.Show less
1Opera
1Opera
Apr 23, 2026
Oct 30, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
Opera before 9.62 allows remote attackers to execute arbitrary commands via the History Search results page, a different vulnerability than CVE-2008-4696.
1Php Nuke
1Downloadsplus Module
Apr 23, 2026
Oct 28, 2008
N/A· v4
N/A· v3
9.0 HIGH· v2
Unrestricted file upload vulnerability in the DownloadsPlus module in PHP-Nuke allows remote attackers to execute arbitrary code by uploading a file with (1) .htm, (2) .html, or (3) .txt extensions, then accessing it via...Show more
Unrestricted file upload vulnerability in the DownloadsPlus module in PHP-Nuke allows remote attackers to execute arbitrary code by uploading a file with (1) .htm, (2) .html, or (3) .txt extensions, then accessing it via a direct request to the file. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information. NOTE: it is unclear how allowing the upload of .html or .txt files supports arbitrary code execution; this might be legitimate functionality.Show less
1Kvirc
1Kvirc
Apr 23, 2026
Oct 27, 2008
N/A· v4
N/A· v3
7.6 HIGH· v2
Format string vulnerability in the URI handler in KVirc 3.4.0, when set as the default application for processing IRC URIs, allows remote attackers to cause a denial of service (application crash) and possibly execute ar...Show more
Format string vulnerability in the URI handler in KVirc 3.4.0, when set as the default application for processing IRC URIs, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via format string specifiers in the irc:// URI.Show less
1Wireshark
1Wireshark
Apr 23, 2026
Oct 22, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
wtap.c in Wireshark 0.99.7 through 1.0.3 allows remote attackers to cause a denial of service (application abort) via a malformed Tamos CommView capture file (aka .ncf file) with an "unknown/unexpected packet type" that...Show more
wtap.c in Wireshark 0.99.7 through 1.0.3 allows remote attackers to cause a denial of service (application abort) via a malformed Tamos CommView capture file (aka .ncf file) with an "unknown/unexpected packet type" that triggers a failed assertion.Show less
1Wireshark
1Wireshark
Apr 23, 2026
Oct 22, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Unspecified vulnerability in the Bluetooth RFCOMM dissector in Wireshark 0.99.7 through 1.0.3 allows remote attackers to cause a denial of service (application crash or abort) via unknown packets.