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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9854 vulnerabilities reference this CWE, most recent first.

CVE-2022-43649 (GCVE-0-2022-43649)

Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-12 16:58
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 12.0.2.12465. 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 handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-19478.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 12.0.2.12465
Create a notification for this product.
Credits
Anonymous
Show details on NVD website
To clipboard 

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CVE-2022-43641 (GCVE-0-2022-43641)

Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-12 16:59
VLAI
Summary
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader 12.0.1.12430. 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 U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18894.
Severity
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 12.0.1.12430
Create a notification for this product.
Credits
Mat Powell of Trend Micro Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2022-43639 (GCVE-0-2022-43639)

Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-12 17:39
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 12.0.1.12430. 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 U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18628.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 12.0.1.12430
Create a notification for this product.
Credits
Mat Powell of Trend Micro Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2022-43638 (GCVE-0-2022-43638)

Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-12 17:40
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 12.0.1.12430. 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 U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18627.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 12.0.1.12430
Create a notification for this product.
Credits
Mat Powell of Trend Micro Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2022-43637 (GCVE-0-2022-43637)

Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-12 17:40
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 12.0.1.12430. 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 U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18626.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit PDF Reader Affected: 12.0.1.12430
Create a notification for this product.
Credits
Mat Powell of Trend Micro Zero Day Initiative
Show details on NVD website
To clipboard 

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CVE-2022-43552 (GCVE-0-2022-43552)

Vulnerability from cvelistv5 – Published: 2023-02-09 00:00 – Updated: 2024-10-27 14:48
VLAI
Summary
A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a https://github.com/curl/curl Affected: Fixed in curl 7.87.0
Show details on NVD website
To clipboard 

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CVE-2022-42896 (GCVE-0-2022-42896)

Vulnerability from cvelistv5 – Published: 2022-11-23 14:11 – Updated: 2025-04-21 13:45
VLAI
Title
Info Leak in l2cap_core in the Linux Kernel
Summary
There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit  https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url
Severity
8 (High)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Kernel Affected: 3.0.0 , ≤ 711f8c3fb3db61897080468586b970c87c61d9e4 (custom)
Create a notification for this product.
Date Public
2022-11-02 23:00
Show details on NVD website
To clipboard 

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CVE-2022-42754 (GCVE-0-2022-42754)

Vulnerability from cvelistv5 – Published: 2022-12-06 00:00 – Updated: 2025-04-23 19:28
VLAI
Summary
In npu driver, there is a memory corruption due to a use after free. This could lead to local denial of service in kernel.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2022-42430 (GCVE-0-2022-42430)

Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-14 16:34
VLAI
Summary
This vulnerability allows local attackers to escalate privileges on affected Tesla vehicles. An attacker must first obtain the ability to execute privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of the wowlan_config data structure. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-17543.
Severity
8.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Tesla Model 3 Affected: Model 3 Infotainment 2021.44.30, 2022.12.22
Create a notification for this product.
Credits
Vincent DEHORS of @Synacktiv
Show details on NVD website
To clipboard 

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CVE-2022-42414 (GCVE-0-2022-42414)

Vulnerability from cvelistv5 – Published: 2023-01-26 00:00 – Updated: 2025-04-01 14:44
VLAI
Summary
This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. 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 PDF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18326.
Severity
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
zdi
References
Impacted products
Credits
Rocco Calvi (@TecR0c) with TecSecurity
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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