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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9874 vulnerabilities reference this CWE, most recent first.
CVE-2024-26186 (GCVE-0-2024-26186)
Vulnerability from cvelistv5 – Published: 2024-09-10 16:53 – Updated: 2024-12-31 23:02
VLAI
EPSS
VEX
Title
Microsoft SQL Server Native Scoring Remote Code Execution Vulnerability
Summary
Microsoft SQL Server Native Scoring Remote Code Execution Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft SQL Server 2017 (GDR) |
Affected:
14.0.0 , < 14.0.2060.1
(custom)
|
|
| Microsoft | Microsoft SQL Server 2019 (GDR) |
Affected:
15.0.0 , < 15.0.2120.1
(custom)
|
|
| Microsoft | Microsoft SQL Server 2017 (CU 31) |
Affected:
14.0.0 , < 14.0.3475.1
(custom)
|
|
| Microsoft | Microsoft SQL Server 2022 (GDR) |
Affected:
16.0.0 , < 16.0.1125.1
(custom)
|
|
| Microsoft | Microsoft SQL Server 2019 (CU 28) |
Affected:
15.0.0 , < 15.0.4390.2
(custom)
|
|
| Microsoft | Microsoft SQL Server 2022 for (CU 14) |
Affected:
16.0.0 , < 16.0.4140.3
(custom)
|
Date Public
2024-09-10 07:00
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CVE-2024-26182 (GCVE-0-2024-26182)
Vulnerability from cvelistv5 – Published: 2024-03-12 16:58 – Updated: 2025-05-03 00:47
VLAI
EPSS
VEX
Title
Windows Kernel Elevation of Privilege Vulnerability
Summary
Windows Kernel Elevation of Privilege Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.5576
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.0 , < 10.0.17763.5576
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.5576
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.5576
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19043.0 , < 10.0.19044.4170
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.4170
(custom)
|
|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.6796
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.6796
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.6796
(custom)
|
Date Public
2024-03-12 07:00
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CVE-2024-25938 (GCVE-0-2024-25938)
Vulnerability from cvelistv5 – Published: 2024-04-30 14:38 – Updated: 2025-11-04 17:14
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the way Foxit Reader 2024.1.0.23997 handles a Barcode widget. A specially crafted JavaScript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
2024.1.0.23997
|
|
| foxit | reader |
Affected:
2024.1.0.23997
cpe:2.3:a:foxit:reader:*:*:*:*:*:*:*:* |
Credits
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CVE-2024-25648 (GCVE-0-2024-25648)
Vulnerability from cvelistv5 – Published: 2024-04-30 14:38 – Updated: 2025-12-16 18:13
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the way Foxit Reader 2024.1.0.23997 handles a ComboBox widget. A specially crafted JavaScript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
2024.1.0.23997
|
|
| foxitsoftware | foxit_reader |
Affected:
2024.1.0.23997
cpe:2.3:a:foxitsoftware:foxit_reader:2024.1.0.23997:*:*:*:*:*:*:* |
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CVE-2024-24990 (GCVE-0-2024-24990)
Vulnerability from cvelistv5 – Published: 2024-02-14 16:30 – Updated: 2025-05-08 15:19
VLAI
EPSS
VEX
Title
NGINX HTTP/3 QUIC vulnerability
Summary
When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate.
Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html .
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000138445 | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2024/05/30/4 |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| F5 | NGINX Plus |
Affected:
R31 , < R31 P1
(custom)
Affected: R30 , < R30 P2 (custom) |
|
| F5 | NGINX Open Source |
Affected:
1.25.0 , < 1.25.4
(semver)
|
Date Public
2024-02-14 15:00
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CVE-2024-24794 (GCVE-0-2024-24794)
Vulnerability from cvelistv5 – Published: 2024-02-20 10:37 – Updated: 2025-11-04 18:29
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the DICOM Element Parsing as implemented in Imaging Data Commons libdicom 1.0.5. A specially crafted DICOM file can cause premature freeing of memory that is used later. To trigger this vulnerability, an attacker would need to induce the vulnerable application to process a malicious DICOM image.The Use-After-Free happens in the `parse_meta_sequence_end()` parsing the Sequence Value Represenations.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Imaging Data Commons | libdicom |
Affected:
1.0.5
|
|
| imaging_data_commons | libdicom |
Affected:
1.0.5
cpe:2.3:a:imaging_data_commons:libdicom:1.0.5:*:*:*:*:*:*:* |
Credits
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CVE-2024-24793 (GCVE-0-2024-24793)
Vulnerability from cvelistv5 – Published: 2024-02-20 10:37 – Updated: 2025-11-04 18:29
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability exists in the DICOM Element Parsing as implemented in Imaging Data Commons libdicom 1.0.5. A specially crafted DICOM file can cause premature freeing of memory that is used later. To trigger this vulnerability, an attacker would need to induce the vulnerable application to process a malicious DICOM image.The Use-After-Free happens in the `parse_meta_element_create()` parsing the elements in the File Meta Information header.
Severity
8.1 (High)
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 | |
|---|---|---|---|
| Imaging Data Commons | libdicom |
Affected:
1.0.5
|
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CVE-2024-23923 (GCVE-0-2024-23923)
Vulnerability from cvelistv5 – Published: 2024-09-28 06:22 – Updated: 2024-10-03 14:18
VLAI
EPSS
VEX
Title
Alpine Halo9 prh_l2_sar_data_ind Use-After-Free Remote Code Execution Vulnerability
Summary
Alpine Halo9 prh_l2_sar_data_ind Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the prh_l2_sar_data_ind function. 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 root.
Was ZDI-CAN-22945
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
Date Public
2024-06-21 23:39
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CVE-2024-23839 (GCVE-0-2024-23839)
Vulnerability from cvelistv5 – Published: 2024-02-26 15:48 – Updated: 2025-02-13 17:39
VLAI
EPSS
VEX
Title
Suricata http: heap use after free with http.request_header and http.response_header keywords
Summary
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://github.com/OISF/suricata/commit/cd731fcaf… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/6657 | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | |
| https://lists.fedoraproject.org/archives/list/pac… |
Impacted products
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CVE-2024-23807 (GCVE-0-2024-23807)
Vulnerability from cvelistv5 – Published: 2024-02-28 13:50 – Updated: 2026-01-22 04:55
VLAI
EPSS
VEX
Title
Apache Xerces C++: Use-after-free on external DTD scan
Summary
The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.
Users are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.
This issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apache/xerces-c/pull/54 | patch |
| https://lists.apache.org/thread/c497tgn864tsbm8w0… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Xerces C++ |
Affected:
3.0.0 , < 3.2.5
(semver)
|
|
| apache | xerces-c |
Affected:
3.0.0 , < 3.2.5
(custom)
cpe:2.3:a:apache:xerces-c:3.0.0:*:*:*:*:*:*:* |
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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.