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CWE-20

13,740 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 (13,740)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Cisco
1Ios
May 6, 2026
Sep 24, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The Cisco Application-hosting Framework (CAF) component in Cisco IOS 15.6(1)T1 and IOS XE, when the IOx feature set is enabled, allows man-in-the-middle attackers to trigger arbitrary downloads via crafted HTTP headers,...Show more
The Cisco Application-hosting Framework (CAF) component in Cisco IOS 15.6(1)T1 and IOS XE, when the IOx feature set is enabled, allows man-in-the-middle attackers to trigger arbitrary downloads via crafted HTTP headers, aka Bug ID CSCuz84773.Show less
1Cisco
1Firesight System Software
May 6, 2026
Sep 24, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Cisco Firepower Management Center and FireSIGHT System Software 6.0.1 mishandle comparisons between URLs and X.509 certificates, which allows remote attackers to bypass intended do-not-decrypt settings via a crafted URL,...Show more
Cisco Firepower Management Center and FireSIGHT System Software 6.0.1 mishandle comparisons between URLs and X.509 certificates, which allows remote attackers to bypass intended do-not-decrypt settings via a crafted URL, aka Bug ID CSCva50585.Show less
1Cisco
1Ios
May 6, 2026
Sep 24, 2016
N/A· v4
6.5 MEDIUM· v3
6.8 MEDIUM· v2
The Cisco Application-hosting Framework (CAF) component in Cisco IOS 15.6(1)T1 and IOS XE, when the IOx feature set is enabled, allows remote authenticated users to read arbitrary files via unspecified vectors, aka Bug I...Show more
The Cisco Application-hosting Framework (CAF) component in Cisco IOS 15.6(1)T1 and IOS XE, when the IOx feature set is enabled, allows remote authenticated users to read arbitrary files via unspecified vectors, aka Bug ID CSCuy19856.Show less
1Cisco
1Cloud Services Platform 2100
May 6, 2026
Sep 22, 2016
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Cisco Cloud Services Platform (CSP) 2100 2.0 allows remote attackers to execute arbitrary code via a crafted dnslookup command in an HTTP request, aka Bug ID CSCuz89093.
1Mozilla
1Firefox
May 6, 2026
Sep 22, 2016
N/A· v4
7.4 HIGH· v3
4.3 MEDIUM· v2
Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 rely on unintended expiration dates for Preloaded Public Key Pinning, which allows man-in-the-middle attackers to spoof add-on updates by...Show more
Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 rely on unintended expiration dates for Preloaded Public Key Pinning, which allows man-in-the-middle attackers to spoof add-on updates by leveraging possession of an X.509 server certificate for addons.mozilla.org signed by an arbitrary built-in Certification Authority.Show less
1Mozilla
1Firefox
May 6, 2026
Sep 22, 2016
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
The nsImageGeometryMixin class in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 does not properly perform a cast of an unspecified variable during handling of INPUT elements, which all...Show more
The nsImageGeometryMixin class in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 does not properly perform a cast of an unspecified variable during handling of INPUT elements, which allows remote attackers to execute arbitrary code via a crafted web site.Show less
1Cisco
2Ios
Ios Xe
May 6, 2026
Sep 22, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intende...Show more
The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847.Show less
1Huawei
4Ac6003 Firmware
Ac6005 FirmwareAc6605 Firmware+1 more
May 6, 2026
Sep 22, 2016
N/A· v4
6.5 MEDIUM· v3
6.8 MEDIUM· v2
Huawei AC6003, AC6005, AC6605, and ACU2 access controllers with software before V200R006C10SPC200 allows remote authenticated users to cause a denial of service (device restart) via crafted CAPWAP packets.
3Libarchive
OracleRedhat
10Enterprise Linux Desktop
Enterprise Linux Hpc NodeEnterprise Linux Hpc Node Eus+7 more
May 6, 2026
Sep 21, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.
3Libarchive
OracleRedhat
9Enterprise Linux Desktop
Enterprise Linux Hpc NodeEnterprise Linux Hpc Node Eus+6 more
May 6, 2026
Sep 21, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large...Show more
The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large symlink.Show less
4Canonical
DebianLibarchive+1 more
6Debian Linux
LibarchiveLinux Enterprise Desktop+3 more
May 6, 2026
Sep 20, 2016
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
The compress_bidder_init function in archive_read_support_filter_compress.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file, which triggers an invalid left s...Show more
The compress_bidder_init function in archive_read_support_filter_compress.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file, which triggers an invalid left shift.Show less
3Canonical
LibarchiveSuse
5Libarchive
Linux Enterprise DesktopLinux Enterprise Server+2 more
May 6, 2026
Sep 20, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
bsdtar in libarchive before 3.2.0 allows remote attackers to cause a denial of service (infinite loop) via an ISO with a directory that is a member of itself.
3Canonical
LibarchiveNovell
5Libarchive
Suse Linux Enterprise DesktopSuse Linux Enterprise Server+2 more
May 6, 2026
Sep 20, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The process_extra function in libarchive before 3.2.0 uses the size field and a signed number in an offset, which allows remote attackers to cause a denial of service (crash) via a crafted zip file.
1Cisco
1Webex Meetings Server
May 6, 2026
Sep 19, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco WebEx Meetings Server 2.6 allows remote attackers to cause a denial of service (CPU consumption) by repeatedly accessing the account-validation component of an unspecified service, aka Bug ID CSCuy92704.
1Cisco
1Fog Director
May 6, 2026
Sep 18, 2016
N/A· v4
6.5 MEDIUM· v3
6.8 MEDIUM· v2
Cisco Fog Director 1.0(0) for IOx allows remote authenticated users to bypass intended access restrictions and write to arbitrary files via the Cartridge interface, aka Bug ID CSCuz89368.
1Php
1Php
May 6, 2026
Sep 17, 2016
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
ext/spl/spl_array.c in PHP before 5.6.26 and 7.x before 7.0.11 proceeds with SplArray unserialization without validating a return value and data type, which allows remote attackers to cause a denial of service or possibl...Show more
ext/spl/spl_array.c in PHP before 5.6.26 and 7.x before 7.0.11 proceeds with SplArray unserialization without validating a return value and data type, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data.Show less
2Openssl
Oracle
3Linux
OpensslSolaris
May 6, 2026
Sep 16, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that...Show more
The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.Show less
1Microsoft
1Exchange Server
May 6, 2026
Sep 14, 2016
N/A· v4
7.4 HIGH· v3
5.8 MEDIUM· v2
Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to...Show more
Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka "Microsoft Exchange Open Redirect Vulnerability."Show less
1Microsoft
1Internet Explorer
May 6, 2026
Sep 14, 2016
N/A· v4
5.0 MEDIUM· v3
5.1 MEDIUM· v2
Microsoft Internet Explorer 10 and 11 mishandles integrity settings and zone settings, which allows remote attackers to bypass a sandbox protection mechanism via a crafted web site, aka "Internet Explorer Elevation of Pr...Show more
Microsoft Internet Explorer 10 and 11 mishandles integrity settings and zone settings, which allows remote attackers to bypass a sandbox protection mechanism via a crafted web site, aka "Internet Explorer Elevation of Privilege Vulnerability."Show less
1Cisco
9Ace 4700 Series Application Control Engine Appliance
Ace 4700 Series Application Control Engine Appliance A1Ace 4700 Series Application Control Engine Appliance A3+6 more
May 6, 2026
Sep 12, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco ACE30 Application Control Engine Module through A5 3.3 and ACE 4700 Application Control Engine appliances through A5 3.3 allow remote attackers to cause a denial of service (device reload) via crafted (1) SSL or (2...Show more
Cisco ACE30 Application Control Engine Module through A5 3.3 and ACE 4700 Application Control Engine appliances through A5 3.3 allow remote attackers to cause a denial of service (device reload) via crafted (1) SSL or (2) TLS packets, aka Bug ID CSCvb16317.Show less