Common Weakness Enumeration

CWE-416

Allowed

Use After Free

Abstraction: Variant · Status: Stable

API response cwe.mitre.org

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9841 vulnerabilities reference this CWE, most recent first.

CVE-2025-20770 (GCVE-0-2025-20770)

Vulnerability from cvelistv5 – Published: 2025-12-02 02:34 – Updated: 2026-02-26 16:57
VLAI
Summary
In display, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10196993; Issue ID: MSV-4803.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-20745 (GCVE-0-2025-20745)

Vulnerability from cvelistv5 – Published: 2025-11-04 06:20 – Updated: 2026-02-26 17:47
VLAI
Summary
In apusys, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10095441; Issue ID: MSV-4294.
Severity
4.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-20744 (GCVE-0-2025-20744)

Vulnerability from cvelistv5 – Published: 2025-11-04 06:19 – Updated: 2026-02-26 17:47
VLAI
Summary
In pda, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10127160; Issue ID: MSV-4542.
Severity
4.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
MediaTek, Inc. MT6899, MT6991, MT8793 Affected: Android 13.0, 14.0, 15.0, 16.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-20743 (GCVE-0-2025-20743)

Vulnerability from cvelistv5 – Published: 2025-11-04 06:19 – Updated: 2026-02-26 17:47
VLAI
Summary
In clkdbg, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10136671; Issue ID: MSV-4651.
Severity
4.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-20707 (GCVE-0-2025-20707)

Vulnerability from cvelistv5 – Published: 2025-09-01 05:12 – Updated: 2026-02-26 17:49
VLAI
Summary
In geniezone, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09924201; Issue ID: MSV-3820.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-20706 (GCVE-0-2025-20706)

Vulnerability from cvelistv5 – Published: 2025-09-01 05:12 – Updated: 2026-02-26 17:49
VLAI
Summary
In mbrain, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09924624; Issue ID: MSV-3826.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-20705 (GCVE-0-2025-20705)

Vulnerability from cvelistv5 – Published: 2025-09-01 05:12 – Updated: 2026-02-26 17:49
VLAI
Summary
In monitor_hang, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09989078; Issue ID: MSV-3964.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-20626 (GCVE-0-2025-20626)

Vulnerability from cvelistv5 – Published: 2025-03-04 03:44 – Updated: 2025-03-04 14:27
VLAI
Title
Arkcompiler Ets Runtime has an UAF vulnerability
Summary
in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through use after free. This vulnerability can be exploited only in restricted scenarios.
Severity
3.8 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v4.1.0 , ≤ v5.0.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-20091 (GCVE-0-2025-20091)

Vulnerability from cvelistv5 – Published: 2025-03-04 03:44 – Updated: 2025-03-04 14:28
VLAI
Title
Communication Dsoftbus has an UAF vulnerability
Summary
in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through use after free. This vulnerability can be exploited only in restricted scenarios.
Severity
3.8 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v4.1.0 , ≤ v5.0.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-20081 (GCVE-0-2025-20081)

Vulnerability from cvelistv5 – Published: 2025-03-04 03:44 – Updated: 2025-03-04 14:29
VLAI
Title
Communication Dsoftbus has an UAF vulnerability
Summary
in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through use after free. This vulnerability can be exploited only in restricted scenarios.
Severity
3.8 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
OpenHarmony OpenHarmony Affected: v4.1.0 , ≤ v5.0.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

Strategy: Language Selection

Choose a language that provides automatic memory management.

Mitigation
Implementation

Strategy: Attack Surface Reduction

When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.

No CAPEC attack patterns related to this CWE.

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