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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

9841 vulnerabilities reference this CWE, most recent first.

CVE-2023-51549 (GCVE-0-2023-51549)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2024-08-02 22:40
VLAI
Title
Foxit PDF Reader AcroForm Doc Object Use-After-Free Remote Code Execution Vulnerability
Summary
Foxit PDF Reader AcroForm Doc Object Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF 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 handling of Doc 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-21867.
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: 12.1.3.15356
Create a notification for this product.
foxit pdf_reader Affected: 12.1.3.15356
    cpe:2.3:a:foxit:pdf_reader:12.1.3.15356:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-12-20 23:06
Show details on NVD website
To clipboard 

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CVE-2023-50716 (GCVE-0-2023-50716)

Vulnerability from cvelistv5 – Published: 2024-03-06 17:23 – Updated: 2024-08-02 22:16
VLAI
Title
Invalid DATA_FRAG Submessage causes a bad-free error
Summary
eProsima Fast DDS (formerly Fast RTPS) is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.13.0, 2.12.2, 2.11.3, 2.10.3, and 2.6.7, an invalid DATA_FRAG Submessage causes a bad-free error, and the Fast-DDS process can be remotely terminated. If an invalid Data_Frag packet is sent, the `Inline_qos, SerializedPayload` member of object `ch` will attempt to release memory without initialization, resulting in a 'bad-free' error. Versions 2.13.0, 2.12.2, 2.11.3, 2.10.2, and 2.6.7 fix this issue.
Severity
9.7 (Critical)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
eProsima Fast-DDS Affected: >= 2.12.0, < 2.12.2
Affected: >= 2.11.0, < 2.11.3
Affected: >= 2.10.0, < 2.10.3
Affected: < 2.6.7
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-50196 (GCVE-0-2023-50196)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2024-08-02 22:09
VLAI
Title
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Trimble SketchUp Viewer. 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-21800.
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
Trimble SketchUp Viewer Affected: 22.0.354
Create a notification for this product.
trimble sketchup_viewer Affected: 22.0.354
    cpe:2.3:a:trimble:sketchup_viewer:22.0.354:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-12-20 20:57
Show details on NVD website
To clipboard 

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CVE-2023-50193 (GCVE-0-2023-50193)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2024-08-02 22:09
VLAI
Title
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Trimble SketchUp Viewer. 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-21787.
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
Trimble SketchUp Viewer Affected: 22.0.354
Create a notification for this product.
trimble sketchup_viewer Affected: 22.0.354
    cpe:2.3:a:trimble:sketchup_viewer:22.0.354:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-12-20 20:57
Show details on NVD website
To clipboard 

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CVE-2023-50192 (GCVE-0-2023-50192)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2024-08-02 22:09
VLAI
Title
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Trimble SketchUp Viewer. 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-21786.
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
Trimble SketchUp Viewer Affected: 22.0.354
Create a notification for this product.
trimble sketchup_viewer Affected: 22.0.354
    cpe:2.3:a:trimble:sketchup_viewer:-:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-12-20 20:56
Show details on NVD website
To clipboard 

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CVE-2023-50191 (GCVE-0-2023-50191)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2024-08-02 22:09
VLAI
Title
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Trimble SketchUp Viewer. 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-21785.
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
Trimble SketchUp Viewer Affected: 22.0.354
Create a notification for this product.
trimble sketchup_viewer Affected: 22.0.354
    cpe:2.3:a:trimble:sketchup_viewer:22.0.354:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-12-20 20:56
Show details on NVD website
To clipboard 

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CVE-2023-50189 (GCVE-0-2023-50189)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:14 – Updated: 2024-08-02 22:09
VLAI
Title
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability
Summary
Trimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Trimble SketchUp Viewer. 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-21783.
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
Trimble SketchUp Viewer Affected: 22.0.354
Create a notification for this product.
trimble sketchup_viewer Affected: 22.0.354
    cpe:2.3:a:trimble:sketchup_viewer:22.0.354:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-12-20 20:56
Show details on NVD website
To clipboard 

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CVE-2023-49676 (GCVE-0-2023-49676)

Vulnerability from cvelistv5 – Published: 2024-05-06 11:09 – Updated: 2024-08-02 22:01
VLAI
Title
CODESYS: Use after free vulnerability through corrupted project files
Summary
An unauthenticated local attacker may trick a user to open corrupted project files to crash the system due to use after free vulnerability.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
CODESYS CODESYS Development System V2.3 Affected: 0 , < 2.3.9.73 (semver)
Create a notification for this product.
Credits
Michael Heinzl
Show details on NVD website
To clipboard 

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CVE-2023-49606 (GCVE-0-2023-49606)

Vulnerability from cvelistv5 – Published: 2024-05-01 15:31 – Updated: 2025-11-04 17:13
VLAI
Summary
A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Tinyproxy Tinyproxy Affected: 1.11.1
Affected: Tinyproxy 1.10.0
Create a notification for this product.
tinyproxy tinyproxy Affected: 1.10.0
    cpe:2.3:a:tinyproxy:tinyproxy:1.10.0:*:*:*:*:*:*:*
 Create a notification for this product.
tinyproxy tinyproxy Affected: 1.11.1
    cpe:2.3:a:tinyproxy:tinyproxy:1.11.1:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Dimitrios Tatsis of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-49288 (GCVE-0-2023-49288)

Vulnerability from cvelistv5 – Published: 2023-12-04 22:49 – Updated: 2025-02-13 17:18
VLAI
Title
Denial of Service in HTTP Collapsed Forwarding in Squid
Summary
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed forwarding. All versions of Squid from 3.5 up to and including 5.9 configured with "collapsed_forwarding on" are vulnerable. Configurations with "collapsed_forwarding off" or without a "collapsed_forwarding" directive are not vulnerable. This bug is fixed by Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should remove all collapsed_forwarding lines from their squid.conf.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
squid-cache squid Affected: >= 3.5, < 6.0.1
Create a notification for this product.
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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