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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9905 vulnerabilities reference this CWE, most recent first.

CVE-2020-14373 (GCVE-0-2020-14373)

Vulnerability from cvelistv5 – Published: 2020-09-03 17:54 – Updated: 2024-08-04 12:46
VLAI
Summary
A use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a ghostscript Affected: 9.25
Show details on NVD website
To clipboard 

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CVE-2020-14363 (GCVE-0-2020-14363)

Vulnerability from cvelistv5 – Published: 2020-09-11 18:02 – Updated: 2024-08-04 12:46
VLAI
Summary
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
The X11 Project libX11 Affected: 1.6.12
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-14351 (GCVE-0-2020-14351)

Vulnerability from cvelistv5 – Published: 2020-12-03 16:43 – Updated: 2024-08-04 12:39
VLAI
Summary
A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.8.17
Show details on NVD website
To clipboard 

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CVE-2020-13570 (GCVE-0-2020-13570)

Vulnerability from cvelistv5 – Published: 2020-12-22 17:58 – Updated: 2024-08-04 12:25
VLAI
Summary
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.0.37527. A specially crafted PDF document can trigger the reuse of previously free memory which can lead to 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
7.5 (High)
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Foxit Affected: Foxit Reader Version: 10.1.0.37527
Show details on NVD website
To clipboard 

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CVE-2020-13560 (GCVE-0-2020-13560)

Vulnerability from cvelistv5 – Published: 2020-12-22 17:58 – Updated: 2024-08-04 12:25
VLAI
Summary
A use after free vulnerability exists in the JavaScript engine of Foxit Software’s Foxit PDF Reader, version 10.1.0.37527. A specially crafted PDF document can trigger reuse of previously free memory which can lead to 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)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Foxit Affected: Foxit Reader Version: 10.1.0.37527
Show details on NVD website
To clipboard 

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CVE-2020-13558 (GCVE-0-2020-13558)

Vulnerability from cvelistv5 – Published: 2021-03-03 17:53 – Updated: 2024-08-04 12:25
VLAI
Summary
A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.
Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
URL Tags
https://talosintelligence.com/vulnerability_repor… x_refsource_MISC
https://security.gentoo.org/glsa/202104-03 vendor-advisoryx_refsource_GENTOO
Impacted products
Vendor Product Version
n/a Webkit Affected: Webkit WebKitGTK 2.30.1
Show details on NVD website
To clipboard 

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CVE-2020-13557 (GCVE-0-2020-13557)

Vulnerability from cvelistv5 – Published: 2020-12-22 17:57 – Updated: 2024-08-04 12:25
VLAI
Summary
A use after free vulnerability exists in the JavaScript engine of Foxit Software’s Foxit PDF Reader, version 10.1.0.37527. A specially crafted PDF document can trigger reuse of previously free memory which can lead to 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)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Foxit Affected: Foxit Reader Version: 10.1.0.37527
Show details on NVD website
To clipboard 

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CVE-2020-13548 (GCVE-0-2020-13548)

Vulnerability from cvelistv5 – Published: 2021-02-10 19:45 – Updated: 2024-08-04 12:18
VLAI
Summary
In Foxit Reader 10.1.0.37527, a specially crafted PDF document can trigger reuse of previously free memory which can lead to 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 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Foxit Affected: Foxit Reader Version: 10.1.0.37527
Show details on NVD website
To clipboard 

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CVE-2020-13531 (GCVE-0-2020-13531)

Vulnerability from cvelistv5 – Published: 2020-12-03 16:23 – Updated: 2024-08-04 12:18
VLAI
Summary
A use-after-free vulnerability exists in a way Pixar OpenUSD 20.08 processes reference paths textual USD files. A specially crafted file can trigger the reuse of a freed memory which can result in further memory corruption and arbitrary code execution. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file.
Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Pixar Affected: Pixar OpenUSD 20.08, Apple macOS Apple macOS Catalina 10.15.6
Show details on NVD website
To clipboard 

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CVE-2020-10907 (GCVE-0-2020-10907)

Vulnerability from cvelistv5 – Published: 2020-04-22 20:51 – Updated: 2024-08-04 11:14
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 9.7.1.29511. 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 widgets in XFA forms. 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-10650.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
zdi
References
Impacted products
Vendor Product Version
Foxit Reader Affected: 9.7.1.29511
Create a notification for this product.
Credits
Peter Nguyen Vu Hoang of STAR Labs
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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