Common Weakness Enumeration
CWE-457
AllowedUse of Uninitialized Variable
Abstraction: Variant · Status: Draft
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
332 vulnerabilities reference this CWE, most recent first.
CVE-2025-20271 (GCVE-0-2025-20271)
Vulnerability from cvelistv5 – Published: 2025-06-18 16:38 – Updated: 2025-06-18 17:58
VLAI
EPSS
VEX
Title
Cisco Meraki MX and Z Series AnyConnect VPN with Client Certificate Authentication Denial of Service Vulnerability
Summary
A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition in the Cisco AnyConnect service on an affected device.
This vulnerability is due to variable initialization errors when an SSL VPN session is established. An attacker could exploit this vulnerability by sending a sequence of crafted HTTPS requests to an affected device. A successful exploit could allow the attacker to cause the Cisco AnyConnect VPN server to restart, resulting in the failure of all established SSL VPN sessions and forcing remote users to initiate a new VPN connection and re-authenticate. A sustained attack could prevent new SSL VPN connections from being established, effectively making the Cisco AnyConnect VPN service unavailable for all legitimate users.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 17:56 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Meraki MX Firmware |
Affected:
N/A
|
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CVE-2025-20212 (GCVE-0-2025-20212)
Vulnerability from cvelistv5 – Published: 2025-04-02 16:15 – Updated: 2025-04-02 16:39
VLAI
EPSS
VEX
Summary
A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series devices could allow an authenticated, remote attacker to cause a denial of service (DoS) condition in the Cisco AnyConnect service on an affected device. To exploit this vulnerability, the attacker must have valid VPN user credentials on the affected device.
This vulnerability exists because a variable is not initialized when an SSL VPN session is established. An attacker could exploit this vulnerability by supplying crafted attributes while establishing an SSL VPN session with an affected device. A successful exploit could allow the attacker to cause the Cisco AnyConnect VPN server to restart, resulting in the failure of the established SSL VPN sessions and forcing remote users to initiate a new VPN connection and reauthenticate. A sustained attack could prevent new SSL VPN connections from being established.
Note: When the attack traffic stops, the Cisco AnyConnect VPN server recovers without manual intervention.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-02 16:34 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Meraki MX Firmware |
Affected:
16.2
Affected: 16.3 Affected: 16.4 Affected: 16.5 Affected: 16.6 Affected: 17.3 Affected: 17.6 Affected: 17.7 Affected: 17.8 Affected: 17.9 Affected: 17.10 Affected: 18.1 Affected: 18.2 Affected: 19.1 |
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CVE-2025-10021 (GCVE-0-2025-10021)
Vulnerability from cvelistv5 – Published: 2025-12-22 15:48 – Updated: 2025-12-22 16:07
VLAI
EPSS
VEX
Summary
A Use of Uninitialized Variable vulnerability exists in Open Design Alliance Drawings SDK static versions (mt) before 2026.12. Static object `COdaMfcAppApp theApp` may access `OdString::kEmpty` before its initialization. Due to undefined initialization order of static objects across translation units (Static Initialization Order Fiasco), the application accesses uninitialized memory. This results in application crash on startup, causing denial of service. Due to undefined behavior, memory corruption and potential arbitrary code execution cannot be ruled out in specific exploitation scenarios.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-22 16:07 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Open Design Alliance | ODA Drawings SDK - All Versions < 2026.12 |
Affected:
0 , < 2026.12
(custom)
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CVE-2025-9450 (GCVE-0-2025-9450)
Vulnerability from cvelistv5 – Published: 2025-09-17 06:13 – Updated: 2025-09-17 12:51
VLAI
EPSS
VEX
Title
Use of Uninitialized Variable vulnerability affecting the JT file reading procedure in SOLIDWORKS eDrawings on Release SOLIDWORKS Desktop 2025
Summary
A Use of Uninitialized Variable vulnerability affecting the JT file reading procedure in SOLIDWORKS eDrawings on Release SOLIDWORKS Desktop 2025 could allow an attacker to execute arbitrary code while opening a specially crafted JT file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-17 12:50 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dassault Systèmes | SOLIDWORKS eDrawings |
Affected:
Release SOLIDWORKS Desktop 2025 SP0 , ≤ Release SOLIDWORKS Desktop 2025 SP3
(custom)
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CVE-2025-7984 (GCVE-0-2025-7984)
Vulnerability from cvelistv5 – Published: 2025-09-17 20:51 – Updated: 2025-09-18 18:46
VLAI
EPSS
VEX
Title
Ashlar-Vellum Cobalt AR File Parsing Uninitialized Variable Remote Code Execution Vulnerability
Summary
Ashlar-Vellum Cobalt AR File Parsing Uninitialized Variable 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 AR files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25700.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-18 18:42 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ashlar-Vellum | Cobalt |
Affected:
1204.96
|
Date Public
2025-07-22 18:00
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CVE-2025-7981 (GCVE-0-2025-7981)
Vulnerability from cvelistv5 – Published: 2025-09-17 20:51 – Updated: 2025-09-18 14:00
VLAI
EPSS
VEX
Title
Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability
Summary
Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Graphite. 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 VC6 files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25475.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-18 13:58 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ashlar-Vellum | Graphite |
Affected:
13_SE_13048
|
Date Public
2025-07-22 17:59
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CVE-2025-7978 (GCVE-0-2025-7978)
Vulnerability from cvelistv5 – Published: 2025-09-17 20:51 – Updated: 2025-09-18 14:40
VLAI
EPSS
VEX
Title
Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability
Summary
Ashlar-Vellum Graphite VC6 File Parsing Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Graphite. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
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Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-18 14:37 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
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|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
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| Ashlar-Vellum | Graphite |
Affected:
13_SE_13048
|
Date Public
2025-07-22 17:59
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CVE-2025-6974 (GCVE-0-2025-6974)
Vulnerability from cvelistv5 – Published: 2025-07-15 15:04 – Updated: 2025-07-15 15:20
VLAI
EPSS
VEX
Title
Use of Uninitialized Variable vulnerability exists in the JT file reading procedure in SOLIDWORKS eDrawings on Release SOLIDWORKS Desktop 2025
Summary
Use of Uninitialized Variable vulnerability exists in the JT file reading procedure in SOLIDWORKS eDrawings on Release SOLIDWORKS Desktop 2025. This vulnerability could allow an attacker to execute arbitrary code while opening a specially crafted JT file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-15 15:20 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dassault Systèmes | SOLIDWORKS eDrawings |
Affected:
Release SOLIDWORKS Desktop 2025 SP0 , ≤ Release SOLIDWORKS Desktop 2025 SP2
(custom)
|
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CVE-2025-5749 (GCVE-0-2025-5749)
Vulnerability from cvelistv5 – Published: 2025-06-06 15:30 – Updated: 2025-06-06 15:53
VLAI
EPSS
VEX
Title
WOLFBOX Level 2 EV Charger BLE Encryption Keys Uninitialized Variable Authentication Bypass Vulnerability
Summary
WOLFBOX Level 2 EV Charger BLE Encryption Keys Uninitialized Variable Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of WOLFBOX Level 2 EV Charger devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of cryptographic keys used in vendor-specific encrypted communications. The issue results from the lack of proper initialization of a variable prior to accessing it. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26295.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-06 15:53 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WOLFBOX | Level 2 EV Charger |
Affected:
3.1.17 (main), 1.2.6 (MCU)
|
Date Public
2025-06-06 15:28
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CVE-2025-5047 (GCVE-0-2025-5047)
Vulnerability from cvelistv5 – Published: 2025-08-15 14:37 – Updated: 2026-02-26 17:48
VLAI
EPSS
VEX
Title
DGN File Parsing Uninitialized Variable Vulnerability
Summary
A maliciously crafted DGN file, when parsed through Autodesk AutoCAD, can force an Uninitialized Variable vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-16 03:55 UTC
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.autodesk.com/products/autodesk-access… | patch |
| https://www.autodesk.com/trust/security-advisorie… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Autodesk | AutoCAD |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad:2023:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD LT |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad_lt:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_lt:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_lt:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_lt:2023:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD Architecture |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad_architecture:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_architecture:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_architecture:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_architecture:2023:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD Electrical |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad_electrical:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_electrical:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_electrical:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_electrical:2023:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD MAP 3D |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad_map_3d:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_map_3d:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_map_3d:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_map_3d:2023:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD Mechanical |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad_mechanical:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_mechanical:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_mechanical:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_mechanical:2023:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD MEP |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad_mep:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_mep:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_mep:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_mep:2023:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD Plant 3D |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:autocad_plant_3d:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_plant_3d:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_plant_3d:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_plant_3d:2023:*:*:*:*:*:*:* |
|
| Autodesk | Civil 3D |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:civil_3d:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:civil_3d:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:civil_3d:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:civil_3d:2023:*:*:*:*:*:*:* |
|
| Autodesk | Advance Steel |
Affected:
2026 , < 2026.1
(custom)
Affected: 2025 , < 2025.1.3 (custom) Affected: 2024 , < 2024.1.8 (custom) Affected: 2023 , < 2023.1.8 (custom) cpe:2.3:a:autodesk:advance_steel:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:advance_steel:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:advance_steel:2024:*:*:*:*:*:*:* cpe:2.3:a:autodesk:advance_steel:2023:*:*:*:*:*:*:* |
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"vendor": "Autodesk",
"versions": [
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"status": "affected",
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{
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"status": "affected",
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{
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"versionType": "custom"
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"value": "A maliciously crafted DGN file, when parsed through Autodesk AutoCAD, can force an Uninitialized Variable vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.\u003cbr\u003e"
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"baseScore": 7.8,
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"integrityImpact": "HIGH",
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"providerMetadata": {
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"references": [
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"url": "https://www.autodesk.com/products/autodesk-access/overview"
},
{
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],
"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2025-0017"
}
],
"source": {
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},
"title": "DGN File Parsing Uninitialized Variable Vulnerability",
"x_generator": {
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}
},
"cveMetadata": {
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"assignerShortName": "autodesk",
"cveId": "CVE-2025-5047",
"datePublished": "2025-08-15T14:37:49.550Z",
"dateReserved": "2025-05-21T13:01:06.314Z",
"dateUpdated": "2026-02-26T17:48:31.542Z",
"state": "PUBLISHED"
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}
Mitigation MIT-57
Implementation
Strategy: Attack Surface Reduction
Ensure that critical variables are initialized before first use [REF-1485].
Mitigation
Build and Compilation
Strategy: Compilation or Build Hardening
Most compilers will complain about the use of uninitialized variables if warnings are turned on.
Mitigation
Implementation
Operation
When using a language that does not require explicit declaration of variables, run or compile the software in a mode that reports undeclared or unknown variables. This may indicate the presence of a typographic error in the variable's name.
Mitigation
Requirements
Strategy: Language Selection
Choose a language that is not susceptible to these issues.
Mitigation
Architecture and Design
Mitigating technologies such as safe string libraries and container abstractions could be introduced.
No CAPEC attack patterns related to this CWE.