Common Weakness Enumeration
CWE-763
AllowedRelease of Invalid Pointer or Reference
Abstraction: Base · Status: Incomplete
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.
113 vulnerabilities reference this CWE, most recent first.
CVE-2025-14233 (GCVE-0-2025-14233)
Vulnerability from cvelistv5 – Published: 2026-01-15 23:37 – Updated: 2026-02-26 15:04
VLAI
EPSS
VEX
Summary
Invalid free in CPCA file deletion processing on Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Satera LBP670C Series/Satera MF750C Series firmware v06.02 and earlier sold in Japan.Color imageCLASS LBP630C/Color imageCLASS MF650C Series/imageCLASS LBP230 Series/imageCLASS X LBP1238 II/imageCLASS MF450 Series/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II firmware v06.02 and earlier sold in US.i-SENSYS LBP630C Series/i-SENSYS MF650C Series/i-SENSYS LBP230 Series/1238P II/1238Pr II/i-SENSYS MF450 Series/i-SENSYS MF550 Series/1238i II/1238iF II/imageRUNNER 1643i II/imageRUNNER 1643iF II firmware v06.02 and earlier sold in Europe.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-17 04:55 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://psirt.canon/advisory-information/cp2026-001/ | vendor-advisory |
| https://canon.jp/support/support-info/260115vulne… | vendor-advisory |
| https://www.usa.canon.com/support/canon-product-a… | vendor-advisory |
| https://www.canon-europe.com/support/product-security/ | vendor-advisory |
Impacted products
21 products
| Vendor | Product | Version | |
|---|---|---|---|
| Canon Inc. | Satera LBP670C Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | Satera MF750C Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | Color imageCLASS LBP630C |
Affected:
06.02 and earlier
|
|
| Canon Inc. | Color imageCLASS MF650C Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageCLASS LBP230 Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageCLASS X LBP1238 II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageCLASS MF450 Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageCLASS X MF1238 II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageCLASS X MF1643i II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageCLASS X MF1643iF II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | i-SENSYS LBP630C Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | i-SENSYS MF650C Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | i-SENSYS LBP230 Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | 1238P II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | 1238Pr II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | i-SENSYS MF450 Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | i-SENSYS MF550 Series |
Affected:
06.02 and earlier
|
|
| Canon Inc. | 1238i II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | 1238iF II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageRUNNER 1643i II |
Affected:
06.02 and earlier
|
|
| Canon Inc. | imageRUNNER 1643iF II |
Affected:
06.02 and earlier
|
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CVE-2025-13824 (GCVE-0-2025-13824)
Vulnerability from cvelistv5 – Published: 2025-12-15 15:20 – Updated: 2025-12-15 17:09
VLAI
EPSS
VEX
Title
Micro820®, Micro850®, Micro870® – Specialized Fuzzing Vulnerabilities
Summary
A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault with solid red Fault LED and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF019. To recover, clear the fault.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-15 17:09 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Rockwell Automation | Micro820®, Micro850®, Micro870® |
Affected:
V23.011 and below
Affected: V12.013 and lower Affected: V14.011 and lower |
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CVE-2025-11838 (GCVE-0-2025-11838)
Vulnerability from cvelistv5 – Published: 2025-12-04 21:48 – Updated: 2026-08-10 15:40
VLAI
EPSS
VEX
Title
WatchGuard Firebox iked Memory Corruption Vulnerability
Summary
A memory corruption vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker to trigger a Denial of Service (DoS) condition in the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-05 15:44 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2025-11838 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , ≤ 2025.1.3
(custom)
Affected: 12.6.1 , ≤ 12.11.5 (custom) cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* |
Date Public
2025-12-04 21:48
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CVE-2023-20511 (GCVE-0-2023-20511)
Vulnerability from cvelistv5 – Published: 2026-08-31 18:15 – Updated: 2026-09-01 03:56
VLAI
EPSS
VEX
Summary
Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 00:00 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AMD | AMD Radeon™ Instinct™ MI25 Graphics Products |
Unaffected:
Contact your AMD Customer Engineering representative
|
|
| AMD | AMD Radeon™ PRO V620 Graphics Products |
Unaffected:
Contact your AMD Customer Engineering representative
|
Date Public
2026-08-31 16:45
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CVE-2023-4883 (GCVE-0-2023-4883)
Vulnerability from cvelistv5 – Published: 2023-10-03 14:42 – Updated: 2024-09-19 19:56
VLAI
EPSS
VEX
Title
Multiple vulnerabilities in Open5GS
Summary
Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-19 19:56 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
1 reference
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CVE-2023-0459 (GCVE-0-2023-0459)
Vulnerability from cvelistv5 – Published: 2023-05-25 13:22 – Updated: 2024-09-26 18:39
VLAI
EPSS
VEX
Title
Copy_from_user Spectre-V1 Gadget in Linux Kernel
Summary
Copy_from_user on 64-bit versions of the Linux kernel does not implement the __uaccess_begin_nospec allowing a user to bypass the "access_ok" check and pass a kernel pointer to copy_from_user(). This would allow an attacker to leak information. We recommend upgrading beyond commit 74e19ef0ff8061ef55957c3abd71614ef0f42f47
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-26 18:39 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
4b842e4e25b12951fa10dedb4bc16bc47e3b850c , ≤ 74e19ef0ff8061ef55957c3abd71614ef0f42f47
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CVE-2022-41691 (GCVE-0-2022-41691)
Vulnerability from cvelistv5 – Published: 2022-10-19 21:19 – Updated: 2025-05-08 18:13
VLAI
EPSS
VEX
Title
BIG-IP Advanced WAF/ASM bd vulnerability CVE-2022-41691
Summary
When a BIG-IP Advanced WAF/ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 18:12 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| F5 | BIG-IP Advanced WAF & ASM |
Unaffected:
17.0.0 , < 17.0.x*
(custom)
Unaffected: 16.1.x , ≤ 16.1.0 (custom) Unaffected: 15.1.0 , < 15.1.x* (custom) Affected: 14.1.x , < 14.1.5.2 (custom) Unaffected: 13.1.0 , < 13.1.x* (custom) |
Date Public
2022-10-19 00:00
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CVE-2022-4696 (GCVE-0-2022-4696)
Vulnerability from cvelistv5 – Published: 2023-01-11 12:33 – Updated: 2024-08-03 01:48
VLAI
EPSS
VEX
Summary
There exists a use-after-free vulnerability in the Linux kernel through io_uring and the IORING_OP_SPLICE operation. If IORING_OP_SPLICE is missing the IO_WQ_WORK_FILES flag, which signals that the operation won't use current->nsproxy, so its reference counter is not increased. This assumption is not always true as calling io_splice on specific files will call the get_uts function which will use current->nsproxy leading to invalidly decreasing its reference counter later causing the use-after-free vulnerability. We recommend upgrading to version 5.10.160 or above
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-01 13:26 UTC
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
5.7-rc1 , ≤ 5.10.159
(custom)
|
|
| linux | linux_kernel |
Affected:
5.7-rc1 , ≤ 5.10.159
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Date Public
2022-12-15 05:43
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CVE-2022-2521 (GCVE-0-2022-2521)
Vulnerability from cvelistv5 – Published: 2022-08-31 00:00 – Updated: 2024-08-03 00:39
VLAI
EPSS
VEX
Summary
It was found in libtiff 4.4.0rc1 that there is an invalid pointer free operation in TIFFClose() at tif_close.c:131 called by tiffcrop.c:2522 that can cause a program crash and denial of service while processing crafted input.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
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CVE-2021-24028 (GCVE-0-2021-24028)
Vulnerability from cvelistv5 – Published: 2021-04-13 23:20 – Updated: 2024-08-03 19:21
VLAI
EPSS
VEX
Summary
An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other undesirable effects. This issue affects Facebook Thrift prior to v2021.02.22.00.
Severity
No CVSS data available.
CWE
- CWE-763 - Release of Invalid Pointer or Reference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/facebook/fbthrift/commit/bfda1… | x_refsource_CONFIRM |
| https://www.facebook.com/security/advisories/cve-… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Facebook Thrift |
Affected:
unspecified , < v2021.02.22.00
(custom)
Unaffected: v2021.02.22.00 , < unspecified (custom) |
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Mitigation
Implementation
Only call matching memory management functions. Do not mix and match routines. For example, when you allocate a buffer with malloc(), dispose of the original pointer with free().
Mitigation
Implementation
When programming in C++, consider using smart pointers provided by the boost library to help correctly and consistently manage memory.
Mitigation MIT-4.6
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, glibc in Linux provides protection against free of invalid pointers.
Mitigation
Architecture and Design
Use a language that provides abstractions for memory allocation and deallocation.
No CAPEC attack patterns related to this CWE.