Common Weakness Enumeration

CWE-843

Allowed

Access of Resource Using Incompatible Type ('Type Confusion')

Abstraction: Base · Status: Incomplete

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

1041 vulnerabilities reference this CWE, most recent first.

CVE-2025-21225 (GCVE-0-2025-21225)

Vulnerability from cvelistv5 – Published: 2025-01-14 18:04 – Updated: 2026-06-09 18:29
VLAI
Title
Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
Summary
Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
Impacted products
Date Public
2025-01-14 08:00
Show details on NVD website

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CVE-2025-21082 (GCVE-0-2025-21082)

Vulnerability from cvelistv5 – Published: 2025-06-08 11:46 – Updated: 2025-06-09 03:32
VLAI
Title
arkui_ace_engine has a type confusion vulnerability
Summary
in OpenHarmony v5.0.3 and prior versions allow a local attacker cause apps crash through type confusion.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v5.0.1 , ≤ v5.0.3 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2025-20063 (GCVE-0-2025-20063)

Vulnerability from cvelistv5 – Published: 2025-06-08 11:46 – Updated: 2025-06-09 03:33
VLAI
Title
arkui_ace_engine has a type confusion vulnerability
Summary
in OpenHarmony v5.0.3 and prior versions allow a local attacker cause apps crash through type confusion.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v5.0.1 , ≤ v5.0.3 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2025-15646 (GCVE-0-2025-15646)

Vulnerability from cvelistv5 – Published: 2026-07-01 14:38 – Updated: 2026-07-01 18:09
VLAI
Title
HTML::Gumbo versions before 0.19 for Perl disclose heap memory via type confusion
Summary
HTML::Gumbo versions before 0.19 for Perl disclose heap memory via type confusion. Support for the <template> element was added to libgumbo 0.10.0 in 2015, but the walk_tree function in lib/HTML/Gumbo.xs was not updated to support it. The element was treated as a text-node, where strlen() over-reads the heap block that the pointer addresses. Any caller that runs parse() with the default format => 'string', or with format => 'tree', on input containing a <template> element serializes the over-read bytes into the returned result, disclosing bounded heap contents. format => 'callback' reaches a croak on the unhandled node type and is unaffected.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type (Type Confusion)
  • CWE-125 - Out-of-bounds Read
Assigner
Impacted products
Vendor Product Version
BPS HTML::Gumbo Affected: 0 , < 0.19 (custom)
Create a notification for this product.
Credits
Vincent Lefevre Niko Tyni
Show details on NVD website

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CVE-2025-14799 (GCVE-0-2025-14799)

Vulnerability from cvelistv5 – Published: 2026-02-18 11:26 – Updated: 2026-04-08 17:32
VLAI
Title
Brevo - Email, SMS, Web Push, Chat, and more. <= 3.3.0 - Unauthenticated Authorization Bypass via Type Juggling
Summary
The Brevo - Email, SMS, Web Push, Chat, and more. plugin for WordPress is vulnerable to authorization bypass due to type juggling in all versions up to, and including, 3.3.0. This is due to the use of loose comparison (==) instead of strict comparison (===) when validating the installation ID in the `/wp-json/mailin/v1/mailin_disconnect` REST API endpoint. This makes it possible for unauthenticated attackers to disconnect the Brevo integration, delete the API key, remove all subscription forms, and reset plugin settings by sending a boolean `true` value for the `id` parameter, which bypasses the authorization check through PHP type juggling.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
Impacted products
Credits
ISMAILSHADOW
Show details on NVD website

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CVE-2025-12899 (GCVE-0-2025-12899)

Vulnerability from cvelistv5 – Published: 2026-01-30 05:34 – Updated: 2026-01-30 14:47
VLAI
Title
net: icmp: Out of bound memory read
Summary
A flaw in Zephyr’s network stack allows an IPv4 packet containing ICMP type 128 to be misclassified as an ICMPv6 Echo Request. This results in an out-of-bounds memory read and creates a potential information-leak vulnerability in the networking subsystem.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
Impacted products
Vendor Product Version
zephyrproject-rtos Zephyr Affected: * , ≤ 4.2 (git)
Create a notification for this product.
Show details on NVD website

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CVE-2025-11731 (GCVE-0-2025-11731)

Vulnerability from cvelistv5 – Published: 2025-10-14 06:02 – Updated: 2026-06-30 06:49
VLAI
Title
Libxslt: type confusion in exsltfuncresultcompfunction of libxslt
Summary
A flaw was found in the exsltFuncResultComp() function of libxslt, which handles EXSLT <func:result> elements during stylesheet parsing. Due to improper type handling, the function may treat an XML document node as a regular XML element node, resulting in a type confusion. This can cause unexpected memory reads and potential crashes. While difficult to exploit, the flaw could lead to application instability or denial of service.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
Impacted products
Vendor Product Version
Affected: 0 , < 1.1.44 (semver)
Red Hat Red Hat Hardened Images Unaffected: 1.1.45-0.1.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
Create a notification for this product.
Date Public
2025-10-14 00:00
Credits
Red Hat would like to thank Google Big Sleep for reporting this issue.
Show details on NVD website

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CVE-2025-8354 (GCVE-0-2025-8354)

Vulnerability from cvelistv5 – Published: 2025-09-23 13:20 – Updated: 2026-02-26 17:48
VLAI
Title
RFA File Parsing Type Confusion Vulnerability
Summary
A maliciously crafted RFA file, when parsed through Autodesk Revit, can force a Type Confusion vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitrary code in the context of the current process.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
Impacted products
Vendor Product Version
Autodesk Revit Affected: 2026 , < 2026.3 (custom)
Affected: 2025 , < 2025.4.4 (custom)
Affected: 2024 , < 2024.3.4 (custom)
    cpe:2.3:a:autodesk:revit:2026:*:*:*:*:*:*:*
    cpe:2.3:a:autodesk:revit:2025:*:*:*:*:*:*:*
    cpe:2.3:a:autodesk:revit:2024:*:*:*:*:*:*:*
Create a notification for this product.
Autodesk Revit LT Affected: 2026 , < 2026.3 (custom)
Affected: 2025 , < 2025.4.4 (custom)
Affected: 2024 , < 2024.3.4 (custom)
    cpe:2.3:a:autodesk:revit_lt:2026:*:*:*:*:*:*:*
    cpe:2.3:a:autodesk:revit_lt:2025:*:*:*:*:*:*:*
    cpe:2.3:a:autodesk:revit_lt:2024:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-8005 (GCVE-0-2025-8005)

Vulnerability from cvelistv5 – Published: 2025-09-17 20:53 – Updated: 2025-09-18 14:04
VLAI
Title
Ashlar-Vellum Cobalt XE File Parsing Type Confusion Remote Code Execution Vulnerability
Summary
Ashlar-Vellum Cobalt XE File Parsing Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of XE files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26237.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
zdi
References
Impacted products
Vendor Product Version
Ashlar-Vellum Cobalt Affected: 12 SP1
Create a notification for this product.
Date Public
2025-07-30 15:20
Show details on NVD website

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CVE-2025-8002 (GCVE-0-2025-8002)

Vulnerability from cvelistv5 – Published: 2025-09-17 20:53 – Updated: 2025-09-18 14:04
VLAI
Title
Ashlar-Vellum Cobalt CO File Parsing Type Confusion Remote Code Execution Vulnerability
Summary
Ashlar-Vellum Cobalt CO File Parsing Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CO files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26233.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
zdi
References
Impacted products
Vendor Product Version
Ashlar-Vellum Cobalt Affected: 12 SP1
Create a notification for this product.
Date Public
2025-07-30 15:21
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.