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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9875 vulnerabilities reference this CWE, most recent first.

CVE-2018-17624 (GCVE-0-2018-17624)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.1.0.5096. 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 OCG 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-6435.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.1.0.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17623 (GCVE-0-2018-17623)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 Link 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-6434.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17621 (GCVE-0-2018-17621)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 Format events. 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-6355.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17620 (GCVE-0-2018-17620)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 Calculate events. 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-6353.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17619 (GCVE-0-2018-17619)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 Validate events. 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-6352.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17618 (GCVE-0-2018-17618)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 Selection Change events. 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-6336.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17617 (GCVE-0-2018-17617)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 onFocus events. 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-6335.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17616 (GCVE-0-2018-17616)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 onBlur events. 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-6334.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-17615 (GCVE-0-2018-17615)

Vulnerability from cvelistv5 – Published: 2018-10-29 22:00 – Updated: 2024-08-05 10:54
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 Mouse Exit events. 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-6333.
Severity
No CVSS data available.
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Foxit Reader Affected: 9.0.1.5096
Create a notification for this product.
Date Public
2018-10-29 00:00
Show details on NVD website
To clipboard 

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CVE-2018-16884 (GCVE-0-2018-16884)

Vulnerability from cvelistv5 – Published: 2018-12-18 22:00 – Updated: 2024-08-05 10:32
VLAI
Summary
A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
Severity
6.5 (Medium)
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H
CWE
Assigner
References
URL Tags
http://www.securityfocus.com/bid/106253 vdb-entryx_refsource_BID
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3932-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3932-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3981-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3980-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3980-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3981-2/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:1873 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1891 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2696 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2730 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3309 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3517 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0204 vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://patchwork.kernel.org/patch/10733769/ x_refsource_CONFIRM
https://patchwork.kernel.org/cover/10733767/ x_refsource_CONFIRM
https://support.f5.com/csp/article/K21430012 x_refsource_CONFIRM
Impacted products
Vendor Product Version
[UNKNOWN] kernel: Affected: n/a
Create a notification for this product.
Date Public
2018-12-18 00:00
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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