CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVE-2023-47466 (GCVE-0-2023-47466)
Vulnerability from cvelistv5 – Published: 2025-05-22 00:00 – Updated: 2026-01-24 21:03
VLAI
Summary
TagLib before 2.0 allows a segmentation violation and application crash during tag writing via a crafted WAV file in which an id3 chunk is the only valid chunk.
Severity
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
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CVE-2023-48363 (GCVE-0-2023-48363)
Vulnerability from cvelistv5 – Published: 2024-02-13 08:59 – Updated: 2024-09-10 09:36
VLAI
Summary
A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 Update 4). The implementation of the RPC (Remote Procedure call)
communication protocol in the affected products do not
properly handle certain unorganized RPC messages. An
attacker could use this vulnerability to cause a denial of service
condition in the RPC server.
Severity
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | OpenPCS 7 V9.1 |
Affected:
All versions < V9.1 SP2 UC05
|
|
| Siemens | SIMATIC BATCH V9.1 |
Affected:
All versions < V9.1 SP2 UC05
|
|
| Siemens | SIMATIC PCS 7 V9.1 |
Affected:
0 , < V9.1 SP2 UC05
(custom)
|
|
| Siemens | SIMATIC Route Control V9.1 |
Affected:
All versions < V9.1 SP2 UC05
|
|
| Siemens | SIMATIC WinCC Runtime Professional V18 |
Affected:
0 , < V18 Update 4
(custom)
|
|
| Siemens | SIMATIC WinCC Runtime Professional V19 |
Affected:
0 , < V19 Update 2
(custom)
|
|
| Siemens | SIMATIC WinCC V7.4 |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC WinCC V7.5 |
Affected:
0 , < V7.5 SP2 Update 15
(custom)
|
|
| Siemens | SIMATIC WinCC V8.0 |
Affected:
0 , < V8.0 Update 4
(custom)
|
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CVE-2023-48364 (GCVE-0-2023-48364)
Vulnerability from cvelistv5 – Published: 2024-02-13 08:59 – Updated: 2024-09-10 09:36
VLAI
Summary
A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 Update 4). The implementation of the RPC (Remote Procedure call) communication protocol in the affected products do not properly handle certain malformed RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.
Severity
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | OpenPCS 7 V9.1 |
Affected:
All versions < V9.1 SP2 UC05
|
|
| Siemens | SIMATIC BATCH V9.1 |
Affected:
All versions < V9.1 SP2 UC05
|
|
| Siemens | SIMATIC PCS 7 V9.1 |
Affected:
0 , < V9.1 SP2 UC05
(custom)
|
|
| Siemens | SIMATIC Route Control V9.1 |
Affected:
All versions < V9.1 SP2 UC05
|
|
| Siemens | SIMATIC WinCC Runtime Professional V18 |
Affected:
0 , < V18 Update 4
(custom)
|
|
| Siemens | SIMATIC WinCC Runtime Professional V19 |
Affected:
0 , < V19 Update 2
(custom)
|
|
| Siemens | SIMATIC WinCC V7.4 |
Affected:
0 , < *
(custom)
|
|
| Siemens | SIMATIC WinCC V7.5 |
Affected:
0 , < V7.5 SP2 Update 15
(custom)
|
|
| Siemens | SIMATIC WinCC V8.0 |
Affected:
0 , < V8.0 Update 4
(custom)
|
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CVE-2023-48697 (GCVE-0-2023-48697)
Vulnerability from cvelistv5 – Published: 2023-12-05 00:25 – Updated: 2024-08-28 17:30
VLAI
Title
Azure RTOS USBX Remote Code Execution Vulnerability
Summary
Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to memory buffer and pointer vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in pictbridge and host class, related to PIMA, storage, CDC ACM, ECM, audio, hub in RTOS v6.2.1 and below. The fixes have been included in USBX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
6.4 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/azure-rtos/usbx/security/advis… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| azure-rtos | usbx |
Affected:
< 6.3.0
|
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CVE-2023-49083 (GCVE-0-2023-49083)
Vulnerability from cvelistv5 – Published: 2023-11-29 18:50 – Updated: 2025-12-18 15:32
VLAI
Title
cryptography vulnerable to NULL-dereference when loading PKCS7 certificates
Summary
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitation of this vulnerability poses a serious risk of Denial of Service (DoS) for any application attempting to deserialize a PKCS7 blob/certificate. The consequences extend to potential disruptions in system availability and stability. This vulnerability has been patched in version 41.0.6.
Severity
5.9 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/pyca/cryptography/security/adv… | x_refsource_CONFIRM |
| https://github.com/pyca/cryptography/pull/9926 | x_refsource_MISC |
| https://github.com/pyca/cryptography/commit/f09c2… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pyca | cryptography |
Affected:
>= 3.1, < 41.0.6
|
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CVE-2023-49275 (GCVE-0-2023-49275)
Vulnerability from cvelistv5 – Published: 2024-04-19 14:24 – Updated: 2024-08-02 21:53
VLAI
Title
Wazuh vulnerable to NULL Pointer Dereference in wazuh-analysisd
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. A NULL pointer dereference was detected during fuzzing of the analysis engine, allowing malicious clients to DoS the analysis engine. The bug occurs when `analysisd` receives a syscollector message with the `hotfix` `msg_type` but lacking a `timestamp`. It uses `cJSON_GetObjectItem()` to get the `timestamp` object item and dereferences it without checking for a `NULL` value. A malicious client can DoS the analysis engine. This vulnerability is fixed in 4.7.1.
Severity
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
3 references
| URL | Tags |
|---|---|
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CVE-2023-51368 (GCVE-0-2023-51368)
Vulnerability from cvelistv5 – Published: 2024-09-06 16:26 – Updated: 2024-09-06 17:34
VLAI
Title
QTS, QuTS hero
Summary
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to launch a denial-of-service (DoS) attack via a network.
We have already fixed the vulnerability in the following versions:
QTS 5.1.6.2722 build 20240402 and later
QuTS hero h5.1.6.2734 build 20240414 and later
Severity
5.4 (Medium)
CWE
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
5.1.x , < 5.1.6.2722 build 20240402
(custom)
|
|
| QNAP Systems Inc. | QuTS hero |
Affected:
h5.1.x , < h5.1.6.2734 build 20240414
(custom)
|
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CVE-2023-51391 (GCVE-0-2023-51391)
Vulnerability from cvelistv5 – Published: 2024-04-16 19:19 – Updated: 2025-02-13 17:19
VLAI
Title
Micrium OS Network uC-HTTP server header parsing invalid pointer dereference vulnerability
Summary
A bug in Micrium OS Network HTTP Server permits an invalid pointer dereference during header processing - potentially allowing a device crash and Denial of Service.
Severity
7.5 (High)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| silabs.com |
Affected:
0 , < 4.4.2
(semver)
|
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CVE-2023-51394 (GCVE-0-2023-51394)
Vulnerability from cvelistv5 – Published: 2024-02-23 19:13 – Updated: 2024-08-16 19:31
VLAI
Title
Potential DoS for EFR32xxx parts in high traffic environments due to null buffer dereference / crash
Summary
High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SDK before v7.4.0, causing a system crash.
Severity
5.3 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| silabs.com | Ember ZNet SDK |
Affected:
0 , < 7.4.0
(7.4.x)
|
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CVE-2023-51744 (GCVE-0-2023-51744)
Vulnerability from cvelistv5 – Published: 2024-01-09 10:00 – Updated: 2025-06-09 20:32
VLAI
Summary
A vulnerability has been identified in JT2Go (All versions < V14.3.0.6), Teamcenter Visualization V13.3 (All versions < V13.3.0.13), Teamcenter Visualization V14.1 (All versions < V14.1.0.12), Teamcenter Visualization V14.2 (All versions < V14.2.0.9), Teamcenter Visualization V14.3 (All versions < V14.3.0.6). The affected applications contain a null pointer dereference vulnerability while parsing specially crafted CGM files. An attacker could leverage this vulnerability to crash the application causing denial of service condition.
Severity
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | JT2Go |
Affected:
All versions < V14.3.0.6
|
|
| Siemens | Teamcenter Visualization V13.3 |
Affected:
All versions < V13.3.0.13
|
|
| Siemens | Teamcenter Visualization V14.1 |
Affected:
All versions < V14.1.0.12
|
|
| Siemens | Teamcenter Visualization V14.2 |
Affected:
All versions < V14.2.0.9
|
|
| Siemens | Teamcenter Visualization V14.3 |
Affected:
All versions < V14.3.0.6
|
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Mitigation ID: MIT-56
Phase: Implementation
Description:
- For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].
Mitigation
Phase: Requirements
Description:
- Select a programming language that is not susceptible to these issues.
Mitigation
Phase: Implementation
Description:
- Check the results of all functions that return a value and verify that the value is non-null before acting upon it.
Mitigation
Phase: Architecture and Design
Description:
- Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.
Mitigation
Phase: Implementation
Description:
- Explicitly initialize all variables and other data stores, either during declaration or just before the first usage.
No CAPEC attack patterns related to this CWE.