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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
1Apple
1Mac Os X
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
10.0 HIGH· v2
fontd in Apple Type Services (ATS) in Apple OS X before 10.10.3 allows local users to gain privileges via unspecified vectors, a different vulnerability than CVE-2015-1131, CVE-2015-1133, CVE-2015-1134, and CVE-2015-1135...Show more
fontd in Apple Type Services (ATS) in Apple OS X before 10.10.3 allows local users to gain privileges via unspecified vectors, a different vulnerability than CVE-2015-1131, CVE-2015-1133, CVE-2015-1134, and CVE-2015-1135.Show less
1Apple
1Mac Os X
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
7.2 HIGH· v2
fontd in Apple Type Services (ATS) in Apple OS X before 10.10.3 allows local users to gain privileges via unspecified vectors, a different vulnerability than CVE-2015-1132, CVE-2015-1133, CVE-2015-1134, and CVE-2015-1135...Show more
fontd in Apple Type Services (ATS) in Apple OS X before 10.10.3 allows local users to gain privileges via unspecified vectors, a different vulnerability than CVE-2015-1132, CVE-2015-1133, CVE-2015-1134, and CVE-2015-1135.Show less
1Apple
2Iphone Os
Safari
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
WebKit, as used in Apple iOS before 8.3 and Apple Safari before 6.2.5, 7.x before 7.1.5, and 8.x before 8.0.5, does not properly handle the userinfo field in FTP URLs, which allows remote attackers to trigger incorrect r...Show more
WebKit, as used in Apple iOS before 8.3 and Apple Safari before 6.2.5, 7.x before 7.1.5, and 8.x before 8.0.5, does not properly handle the userinfo field in FTP URLs, which allows remote attackers to trigger incorrect resource access via unspecified vectors.Show less
1Apple
3Iphone Os
Mac Os XTvos
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The TCP implementation in the kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 does not properly implement the Urgent (aka out-of-band data) mechanism, which allows remote attackers to c...Show more
The TCP implementation in the kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 does not properly implement the Urgent (aka out-of-band data) mechanism, which allows remote attackers to cause a denial of service via crafted packets.Show less
1Apple
3Iphone Os
Mac Os XTvos
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 does not properly determine whether an IPv6 packet had a local origin, which allows remote attackers to bypass an intended network-fi...Show more
The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 does not properly determine whether an IPv6 packet had a local origin, which allows remote attackers to bypass an intended network-filtering protection mechanism via a crafted packet.Show less
1Apple
3Iphone Os
Mac Os XTvos
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 makes routing changes in response to ICMP_REDIRECT messages, which allows remote attackers to cause a denial of service (network outa...Show more
The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 makes routing changes in response to ICMP_REDIRECT messages, which allows remote attackers to cause a denial of service (network outage) or obtain sensitive packet-content information via a crafted ICMP packet.Show less
1Apple
3Iphone Os
Mac Os XTvos
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
7.1 HIGH· v2
The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 does not properly handle TCP headers, which allows man-in-the-middle attackers to cause a denial of service via unspecified vectors.
1Apple
2Iphone Os
Mac Os X
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
6.8 MEDIUM· v2
CFURL in Apple iOS before 8.3 and Apple OS X before 10.10.3 does not properly validate URLs, which allows remote attackers to execute arbitrary code via a crafted web site.
1Apple
2Iphone Os
Tvos
May 6, 2026
Apr 10, 2015
N/A· v4
N/A· v3
6.9 MEDIUM· v2
The Audio Drivers subsystem in Apple iOS before 8.3 and Apple TV before 7.2 does not properly validate IOKit object metadata, which allows attackers to execute arbitrary code in a privileged context via a crafted app.
1Siemens
1Wincc
May 6, 2026
Apr 8, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Siemens SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2 and SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2 allow man-in-the-middle attackers to cause a denial of service via crafted...Show more
Siemens SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2 and SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2 allow man-in-the-middle attackers to cause a denial of service via crafted packets on TCP port 102.Show less
3Canonical
MozillaOpensuse
3Firefox
OpensuseUbuntu Linux
May 6, 2026
Apr 8, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-h...Show more
The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header.Show less
1Redhat
1Docker
May 6, 2026
Apr 6, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The Red Hat docker package before 1.5.0-28, when using the --add-registry option, falls back to HTTP when the HTTPS connection to the registry fails, which allows man-in-the-middle attackers to conduct downgrade attacks...Show more
The Red Hat docker package before 1.5.0-28, when using the --add-registry option, falls back to HTTP when the HTTPS connection to the registry fails, which allows man-in-the-middle attackers to conduct downgrade attacks and obtain authentication and image data by leveraging a network position between the client and the registry to block HTTPS traffic. NOTE: this vulnerability exists because of a CVE-2014-5277 regression.Show less
1Cisco
1Ios Xe
May 6, 2026
Apr 3, 2015
N/A· v4
N/A· v3
7.8 HIGH· v2
Cisco IOS XE before 3.7.5S on ASR 1000 devices does not properly handle route adjacencies, which allows remote attackers to cause a denial of service (device hang) via crafted IP packets, aka Bug ID CSCub31873.
1Sap
1Sql Anywhere
May 6, 2026
Apr 1, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
SAP Sybase SQL Anywhere 11 and 16 allows remote attackers to cause a denial of service (crash) via a crafted request, aka SAP Security Note 2108161.
2Fedoraproject
Xen
2Fedora
Xen
May 6, 2026
Apr 1, 2015
N/A· v4
N/A· v3
4.9 MEDIUM· v2
The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via...Show more
The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).Show less
1Mozilla
1Firefox
May 6, 2026
Apr 1, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox before 37.0 on OS X does not ensure that the cursor is visible, which allows remote attackers to conduct clickjacking attacks via a Flash object in conjunction with DIV elements associated with layered pr...Show more
Mozilla Firefox before 37.0 on OS X does not ensure that the cursor is visible, which allows remote attackers to conduct clickjacking attacks via a Flash object in conjunction with DIV elements associated with layered presentation, and crafted JavaScript code that interacts with an IMG element.Show less
2Debian
Gaia Gis
2Debian Linux
Freexl
May 6, 2026
Mar 31, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The parse_SST function in FreeXL before 1.0.0i allows remote attackers to cause a denial of service (memory consumption) via a crafted shared strings table in a workbook.
2Debian
Gaia Gis
2Debian Linux
Freexl
May 6, 2026
Mar 31, 2015
N/A· v4
N/A· v3
6.8 MEDIUM· v2
FreeXL before 1.0.0i allows remote attackers to cause a denial of service (stack corruption) and possibly execute arbitrary code via a crafted workbook, related to a "premature EOF."
2Debian
Gaia Gis
2Debian Linux
Freexl
May 6, 2026
Mar 31, 2015
N/A· v4
N/A· v3
6.8 MEDIUM· v2
FreeXL before 1.0.0i allows remote attackers to cause a denial of service (stack corruption) or possibly execute arbitrary code via a crafted sector in a workbook.
2Debian
Shibboleth
2Debian Linux
Service Provider
May 6, 2026
Mar 31, 2015
N/A· v4
N/A· v3
4.0 MEDIUM· v2
Shibboleth Service Provider (SP) before 2.5.4 allows remote authenticated users to cause a denial of service (crash) via a crafted SAML message.