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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

CVE-2021-36055 (GCVE-0-2021-36055)

Vulnerability from cvelistv5 – Published: 2021-09-01 14:32 – Updated: 2025-11-03 19:26
VLAI
Title
XMP Toolkit SDK Use After Free Vulnerability In ReadingXMPNewDOM Could Lead To Arbitrary Code Execution
Summary
XMP Toolkit SDK versions 2020.1 (and earlier) are 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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-416 - Use After Free (CWE-416)
Assigner
References
Impacted products
Vendor Product Version
Adobe XMP Toolkit Affected: unspecified , ≤ 2020.1 (custom)
Affected: unspecified , ≤ None (custom)
Create a notification for this product.
Date Public
2021-08-16 00:00
Show details on NVD website
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CVE-2021-3700 (GCVE-0-2021-3700)

Vulnerability from cvelistv5 – Published: 2022-02-24 18:50 – Updated: 2024-08-03 17:01
VLAI
Summary
A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a usbredir Affected: usbredir 0.11.0
Show details on NVD website
To clipboard 

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CVE-2021-3715 (GCVE-0-2021-3715)

Vulnerability from cvelistv5 – Published: 2022-03-02 22:17 – Updated: 2024-08-03 17:01
VLAI
Summary
A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Linux kernel 5.10
Show details on NVD website
To clipboard 

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CVE-2021-37179 (GCVE-0-2021-37179)

Vulnerability from cvelistv5 – Published: 2021-08-10 10:35 – Updated: 2024-08-04 01:16
VLAI
Summary
A vulnerability has been identified in Solid Edge SE2021 (All Versions < SE2021MP7). The PSKERNEL.dll library in affected application lacks proper validation while parsing user-supplied OBJ files that could lead to a use-after-free condition. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13777)
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Siemens Solid Edge SE2021 Affected: All Versions < SE2021MP7
Create a notification for this product.
Show details on NVD website
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CVE-2021-37202 (GCVE-0-2021-37202)

Vulnerability from cvelistv5 – Published: 2021-09-14 10:47 – Updated: 2024-08-04 01:16
VLAI
Summary
A vulnerability has been identified in NX 1980 Series (All versions < V1984), Solid Edge SE2021 (All versions < SE2021MP8). The IFC adapter in affected application contains a use-after-free vulnerability that could be triggered while parsing user-supplied IFC files. An attacker could leverage this vulnerability to execute code in the context of the current process.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Siemens NX 1980 Series Affected: All versions < V1984
Create a notification for this product.
Siemens Solid Edge SE2021 Affected: All versions < SE2021MP8
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-3738 (GCVE-0-2021-3738)

Vulnerability from cvelistv5 – Published: 2022-03-02 00:00 – Updated: 2024-08-03 17:01
VLAI
Summary
In DCE/RPC it is possible to share the handles (cookies for resource state) between multiple connections via a mechanism called 'association groups'. These handles can reference connections to our sam.ldb database. However while the database was correctly shared, the user credentials state was only pointed at, and when one connection within that association group ended, the database would be left pointing at an invalid 'struct session_info'. The most likely outcome here is a crash, but it is possible that the use-after-free could instead allow different user state to be pointed at and this might allow more privileged access.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a samba Affected: Affects all versions since samba 4.0 | Fixedin samba v4.15.2, v4.14.10 and v4.13.14
Show details on NVD website
To clipboard 

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CVE-2021-3748 (GCVE-0-2021-3748)

Vulnerability from cvelistv5 – Published: 2022-03-23 19:46 – Updated: 2024-08-03 17:09
VLAI
Summary
A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to num_buffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU (virtio-net) Affected: Affects qemu v0.10.0 and above, Fixed In – v6.2.0-rc0 and above.
Show details on NVD website
To clipboard 

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CVE-2021-3750 (GCVE-0-2021-3750)

Vulnerability from cvelistv5 – Published: 2022-05-02 18:48 – Updated: 2024-08-03 17:09
VLAI
Summary
A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions (such as reset) while the device is still transferring packets. This can ultimately lead to a use-after-free issue. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code within the context of the QEMU process on the host. This flaw affects QEMU versions before 7.0.0.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU Affected: QEMU before version 7.0.0
Show details on NVD website
To clipboard 

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CVE-2021-3752 (GCVE-0-2021-3752)

Vulnerability from cvelistv5 – Published: 2022-02-16 18:35 – Updated: 2024-08-03 17:09
VLAI
Summary
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.15.3
Show details on NVD website
To clipboard 

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CVE-2021-3760 (GCVE-0-2021-3760)

Vulnerability from cvelistv5 – Published: 2022-02-16 18:35 – Updated: 2024-08-03 17:09
VLAI
Summary
A flaw was found in the Linux kernel. A use-after-free vulnerability in the NFC stack can lead to a threat to confidentiality, integrity, and system availability.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: kernel 5.14.15-100.fc33, kernel 5.14.15-200.fc34, kernel 5.14.15-300.fc35
Show details on NVD website
To clipboard 

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Mitigation

Phase: Architecture and Design

Strategy: Language Selection

Description:

  • Choose a language that provides automatic memory management.
Mitigation

Phase: Implementation

Strategy: Attack Surface Reduction

Description:

  • 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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