Weakness (CWE)
CWE-416: Use After Free
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
How to prevent it (2 mitigations)
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Architecture and Design
Choose a language that provides automatic memory management.
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Implementation
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.
Source: MITRE CWE-416
4,663 results · Clear filters · Feed
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High 8.7
Pillow: Double free in ImagingScaleAffine on calloc failure via Image.transform
Pillow is a Python imaging library. Prior to 13.0.0, Pillow can double free image memory when ImagingScaleAffine encounters a selective allocation failure. The affected fast path handles Transform.EXTENT or pure scale-and-translate Transform.AFFINE operations…
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High 8.1
Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread
Cpanel::JSON::XS versions before 4.80 for Perl use the parent interpreter's scalars from a parser object cloned into a new ithread. A parser object holds its callbacks and its incremental parse buffer as raw scalar pointers. When a thread is created, these ar…
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High 8.8
Use after free in Compositing in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary co…
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High 8.8
Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside…
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High 8.8CVE-2026-110922 Public exploit
Use after free in Prerender in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code…
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High 8.8
Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside…
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High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
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High 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
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High 7.0
Memory safety bugs in kqueue copy-on-fork implementation
When copying knotes from a parent kqueue to a child, the copy code did not correctly exclude marker knotes (used internally to track list traversal position) before marking them as in-flux and releasing the kqueue lock. If another thread freed a marker while …
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High 8.8
Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap
A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap.
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High 8.1CVE-2026-97205 Public exploit
NGINX ngx_http_core_module vulnerability
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_core_module module. When asynchronous file I/O (AIO) is enabled in certain configurations, processing a Server Side Includes (SSI) page containing “include virtual” commands may trigger a U…
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High 7.2
The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.…
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High 8.1CVE-2026-92392 Public exploit
HTTP/2 upload Use-After-Free
During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server (with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after free of a `struct Curl_easy` object.
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High 7.5
IKEv2 Use-After-Free bug when using IKE-over-TCP
Libreswan's pluto daemon has a use-after-free vulnerability when a client connecting using IKE over TCP closes the connection and another packet (retransmit or malicious) is received for the same tuple. IKE state is retained in memory after the client closes …
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High 8.8
Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code ins…
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High 8.8
Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code ins…
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High 8.3
Use after free in ShapeDetection in Google Chrome prior to 155.0.8059.79 allowed a remote attacker who had compromised …
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High 8.8
Use after free in PDF in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code insid…
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High 8.8
Use after free in Canvas in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to potentially execute arbit…
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High 8.8
Use after free in SVG in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code insid…
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High 8.8
Use after free in DOM in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to potentially execute arbitrar…
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High 8.8
Use after free in DOM in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code insid…
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High 8.8
Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code ins…
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High 8.8
Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code ins…
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High 8.8
Use after free in V8 in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code inside…
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High 8.8
Use after free in V8 in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code inside…
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High 8.8
Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code ins…
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High 8.3
Use after free in Passwords in Google Chrome prior to 155.0.8059.79 allowed a remote attacker who had compromised the r…
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High 8.3
Use after free in Passwords in Google Chrome prior to 155.0.8059.79 allowed a remote attacker who had compromised the r…
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High 8.8
Use after free in WebRTC in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code in…
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High 8.8
Use after free in Desktop in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code i…
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High 8.8
Use after free in SVG in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code insid…
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High 8.8
Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code ins…
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High 7.0
Microsoft SQL Server Elevation of Privilege Vulnerability
Use after free in SQL Server allows an authorized attacker to elevate privileges locally.
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High 7.8
Substance3D - Stager | Use After Free (CWE-416)
Substance3D - Stager is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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High 7.0
Windows Autopilot Elevation of Privilege Vulnerability
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
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High 7.8
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
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High 7.0
Windows Broadcast DVR User Service Elevation of Privilege Vulnerability
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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High 7.8
Windows Broadcast DVR User Service Elevation of Privilege Vulnerability
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
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High 7.8
Windows Broadcast DVR User Service Elevation of Privilege Vulnerability
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.