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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9905 vulnerabilities reference this CWE, most recent first.
CVE-2019-6734 (GCVE-0-2019-6734)
Vulnerability from cvelistv5 – Published: 2019-03-19 19:56 – Updated: 2024-08-04 20:31
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit PhantomPDF. 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 the setInterval method. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-7452.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PhantomPDF |
Affected:
9.3.0.10826
|
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CVE-2019-6730 (GCVE-0-2019-6730)
Vulnerability from cvelistv5 – Published: 2019-03-19 19:56 – Updated: 2024-08-04 20:31
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. 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 popUpMenu method. 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-7368.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2019-6727 (GCVE-0-2019-6727)
Vulnerability from cvelistv5 – Published: 2019-03-19 19:56 – Updated: 2024-08-04 20:31
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. 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 XFA remerge method. 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-7347.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
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CVE-2019-6556 (GCVE-0-2019-6556)
Vulnerability from cvelistv5 – Published: 2019-04-10 19:48 – Updated: 2024-08-04 20:23
VLAI
EPSS
VEX
Summary
When processing project files, the application (Omron CX-Programmer v9.70 and prior and Common Components January 2019 and prior) fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.
Severity
No CVSS data available.
CWE
- CWE-416 - USE AFTER FREE CWE-416
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-19-094-01 | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Omron | CX-Programmer within CX-One |
Affected:
CX-Programmer v9.70 and prior and Common Components January 2019 and prior
|
Date Public
2019-04-04 00:00
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CVE-2019-5145 (GCVE-0-2019-5145)
Vulnerability from cvelistv5 – Published: 2020-01-16 22:01 – Updated: 2024-08-04 19:47
VLAI
EPSS
VEX
Summary
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit PDF Reader, version 9.7.0.29435. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2019-5131 (GCVE-0-2019-5131)
Vulnerability from cvelistv5 – Published: 2020-01-16 21:55 – Updated: 2024-08-04 19:47
VLAI
EPSS
VEX
Summary
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader, version 9.7.0.29435. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2019-5130 (GCVE-0-2019-5130)
Vulnerability from cvelistv5 – Published: 2020-01-16 22:00 – Updated: 2024-08-04 19:47
VLAI
EPSS
VEX
Summary
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader version 9.7.0.29435. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Severity
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2019-5126 (GCVE-0-2019-5126)
Vulnerability from cvelistv5 – Published: 2020-01-16 21:59 – Updated: 2024-08-04 19:47
VLAI
EPSS
VEX
Summary
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit PDF Reader, version 9.7.0.29435. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Severity
8.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2019-5096 (GCVE-0-2019-5096)
Vulnerability from cvelistv5 – Published: 2019-12-03 21:52 – Updated: 2024-08-04 19:47
VLAI
EPSS
VEX
Summary
An exploitable code execution vulnerability exists in the processing of multi-part/form-data requests within the base GoAhead web server application in versions v5.0.1, v.4.1.1 and v3.6.5. A specially crafted HTTP request can lead to a use-after-free condition during the processing of this request that can be used to corrupt heap structures that could lead to full code execution. The request can be unauthenticated in the form of GET or POST requests, and does not require the requested resource to exist on the server.
Severity
9.8 (Critical)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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CVE-2019-5067 (GCVE-0-2019-5067)
Vulnerability from cvelistv5 – Published: 2019-09-18 20:17 – Updated: 2024-08-04 19:47
VLAI
EPSS
VEX
Summary
An uninitialized memory access vulnerability exists in the way Aspose.PDF 19.2 for C++ handles invalid parent object pointers. A specially crafted PDF can cause a read and write from uninitialized memory, resulting in memory corruption and possibly arbitrary code execution. To trigger this vulnerability, a specifically crafted PDF document needs to be processed by the target application.
Severity
9.8 (Critical)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_CONFIRM |
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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.