Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9821 vulnerabilities reference this CWE, most recent first.
CVE-2022-43664 (GCVE-0-2022-43664)
Vulnerability from cvelistv5 – Published: 2023-04-05 15:18 – Updated: 2025-02-10 18:03
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary code execution. An attacker can provide a malicious document to trigger this vulnerability.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
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CVE-2022-43652 (GCVE-0-2022-43652)
Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-03 13:40
VLAI
EPSS
VEX
Title
Bentley View SKP File Parsing Use-After-Free Information Disclosure Vulnerability
Summary
Bentley View SKP File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley View. 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 SKP 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-18981.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2023-03-31 20:28
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CVE-2022-43651 (GCVE-0-2022-43651)
Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-03 13:40
VLAI
EPSS
VEX
Title
Bentley View SKP File Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
Bentley View SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View. 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 SKP 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-18960.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
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Impacted products
Date Public
2023-03-31 20:28
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CVE-2022-43649 (GCVE-0-2022-43649)
Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-12 16:58
VLAI
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
12.0.2.12465
|
Credits
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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
EPSS
VEX
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
12.0.1.12430
|
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
12.0.1.12430
|
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
12.0.1.12430
|
Credits
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
12.0.1.12430
|
Credits
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | https://github.com/curl/curl |
Affected:
Fixed in curl 7.87.0
|
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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
EPSS
VEX
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
3.0.0 , ≤ 711f8c3fb3db61897080468586b970c87c61d9e4
(custom)
|
Date Public
2022-11-02 23:00
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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.