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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

3573 vulnerabilities reference this CWE, most recent first.

CVE-2016-8619 (GCVE-0-2016-8619)

Vulnerability from cvelistv5 – Published: 2018-08-01 06:00 – Updated: 2024-08-06 02:27
VLAI
Summary
The function `read_data()` in security.c in curl before version 7.51.0 is vulnerable to memory double free.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
Assigner
redhat CNA
References
Impacted products
Vendor Product Version
The Curl Project curl Affected: 7.51.0
Create a notification for this product.
Date Public
2016-11-02 00:00
Show details on NVD website
To clipboard 

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CVE-2016-8618 (GCVE-0-2016-8618)

Vulnerability from cvelistv5 – Published: 2018-07-31 21:00 – Updated: 2024-08-06 02:27
VLAI
Summary
The libcurl API function called `curl_maprintf()` before version 7.51.0 can be tricked into doing a double-free due to an unsafe `size_t` multiplication, on systems using 32 bit `size_t` variables.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
Assigner
redhat CNA
References
Impacted products
Vendor Product Version
The Curl Project curl Affected: 7.51.0
Create a notification for this product.
Date Public
2016-11-02 00:00
Show details on NVD website
To clipboard 

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CVE-2011-10034 (GCVE-0-2011-10034)

Vulnerability from cvelistv5 – Published: 2025-11-12 22:08 – Updated: 2026-05-14 02:06
VLAI
Title
IRAI AUTOMGEN <= 8.0.0.7 Use-After-Free Remote DoS
Summary
AUTOMGEN versions up to and including 8.0.0.7 (also referenced as 8.022) contain a vulnerability in that project file handling frees an object and subsequently dereferences the stale pointer when processing certain malformed fields. The dangling-pointer use enables an attacker to influence an indirect call through attacker-controlled memory, resulting in denial-of-service. In some conditions, remote code execution may be possible.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-13 14:30 UTC
CWE
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
IRAI AUTOMGEN Affected: 0 , ≤ 8.0.0.7 (custom)
Create a notification for this product.
Date Public
2011-10-10 00:00
Credits
Luigi Auriemma
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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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