Common Weakness Enumeration

CWE-476

Allowed

NULL Pointer Dereference

Abstraction: Base · Status: Stable

API response cwe.mitre.org

The product dereferences a pointer that it expects to be valid but is NULL.

6557 vulnerabilities reference this CWE, most recent first.

CVE-2025-47214 (GCVE-0-2025-47214)

Vulnerability from cvelistv5 – Published: 2025-10-03 18:10 – Updated: 2025-10-03 18:57
VLAI
Title
QTS
Summary
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later and later
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-03 18:56 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. QTS Affected: 5.2.x , < 5.2.6.3195 build 20250715 (custom)
Create a notification for this product.
Credits
coral
Show details on NVD website
To clipboard 

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CVE-2025-47213 (GCVE-0-2025-47213)

Vulnerability from cvelistv5 – Published: 2025-10-03 18:10 – Updated: 2025-10-03 18:56
VLAI
Title
QTS, QuTS hero
Summary
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-03 18:56 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. QTS Affected: 5.2.x , < 5.2.6.3195 build 20250715 (custom)
Create a notification for this product.
QNAP Systems Inc. QuTS hero Affected: h5.2.x , < h5.2.6.3195 build 20250715 (custom)
Create a notification for this product.
Credits
coral
Show details on NVD website
To clipboard 

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CVE-2025-47210 (GCVE-0-2025-47210)

Vulnerability from cvelistv5 – Published: 2025-10-03 18:09 – Updated: 2025-10-03 18:52
VLAI
Title
Qsync Central
Summary
A NULL pointer dereference vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.2 ( 2025/07/31 ) and later
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-03 18:52 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. Qsync Central Affected: 5.0.0 , < 5.0.0.2 ( 2025/07/31 ) (custom)
Create a notification for this product.
Credits
coral
Show details on NVD website
To clipboard 

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CVE-2025-47209 (GCVE-0-2025-47209)

Vulnerability from cvelistv5 – Published: 2026-02-11 12:19 – Updated: 2026-02-11 14:34
VLAI
Title
Qsync Central
Summary
A NULL pointer dereference vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
Severity
1.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 14:34 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. Qsync Central Affected: 5.0.x.x , < 5.0.0.4 ( 2026/01/20 ) (custom)
Create a notification for this product.
Credits
coral
Show details on NVD website
To clipboard 

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CVE-2025-47207 (GCVE-0-2025-47207)

Vulnerability from cvelistv5 – Published: 2025-11-07 15:16 – Updated: 2025-11-07 15:56
VLAI
Title
File Station 5
Summary
A NULL pointer dereference vulnerability has been reported to affect several product versions. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5018 and later
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-07 15:46 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. File Station 5 Affected: 5.5.x , < 5.5.6.5018 (custom)
Create a notification for this product.
Credits
coral
Show details on NVD website
To clipboard 

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CVE-2025-47205 (GCVE-0-2025-47205)

Vulnerability from cvelistv5 – Published: 2026-02-11 12:19 – Updated: 2026-02-11 14:33
VLAI
Title
QTS, QuTS hero
Summary
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3332 build 20251128 and later QuTS hero h5.2.8.3321 build 20251117 and later
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 14:29 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. QTS Affected: 5.2.x , < 5.2.8.3332 build 20251128 (custom)
Create a notification for this product.
QNAP Systems Inc. QuTS hero Affected: h5.2.x , < h5.2.8.3321 build 20251117 (custom)
Create a notification for this product.
Credits
coral
Show details on NVD website
To clipboard 

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CVE-2025-47119 (GCVE-0-2025-47119)

Vulnerability from cvelistv5 – Published: 2025-07-08 22:11 – Updated: 2025-07-09 13:21
VLAI
Title
Adobe Framemaker | NULL Pointer Dereference (CWE-476)
Summary
Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing a disruption in service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-09 13:21 UTC
CWE
  • CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
Impacted products
Vendor Product Version
Adobe Adobe Framemaker Affected: 0 , ≤ 2022.6 (semver)
Create a notification for this product.
Date Public
2025-07-08 17:00
Show details on NVD website
To clipboard 

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CVE-2025-47111 (GCVE-0-2025-47111)

Vulnerability from cvelistv5 – Published: 2025-06-10 19:11 – Updated: 2025-06-10 19:38
VLAI
Title
Acrobat Reader | NULL Pointer Dereference (CWE-476)
Summary
Acrobat Reader versions 24.001.30235, 20.005.30763, 25.001.20521 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing a disruption in service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-10 19:29 UTC
CWE
  • CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
Impacted products
Vendor Product Version
Adobe Acrobat Reader Affected: 0 , ≤ 25.001.20521 (semver)
Create a notification for this product.
Date Public
2025-06-10 17:00
Show details on NVD website
To clipboard 

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CVE-2025-47109 (GCVE-0-2025-47109)

Vulnerability from cvelistv5 – Published: 2025-07-08 16:25 – Updated: 2025-07-08 20:36
VLAI
Title
After Effects | NULL Pointer Dereference (CWE-476)
Summary
After Effects versions 25.2, 24.6.6 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-08 20:36 UTC
CWE
  • CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
Impacted products
Vendor Product Version
Adobe After Effects Affected: 0 , ≤ 24.6.6 (semver)
Create a notification for this product.
Date Public
2025-07-08 17:00
Show details on NVD website
To clipboard 

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CVE-2025-46711 (GCVE-0-2025-46711)

Vulnerability from cvelistv5 – Published: 2025-09-22 10:21 – Updated: 2025-09-22 13:06
VLAI
Title
GPU DDK - NULL Pointer dereference occurs in LockHandle on bridge entry when connection misused
Summary
Software installed and run as a non-privileged user may conduct improper GPU system calls to trigger NULL pointer dereference kernel exceptions.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-22 13:05 UTC
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Imagination Technologies Graphics DDK Unaffected: 1.15 RTM (custom)
Affected: 1.17 RTM (custom)
Affected: 1.18 RTM (custom)
Affected: 23.2 RTM , ≤ 25.1 RTM1 (custom)
Unaffected: 25.1 RTM2 (custom)
Unaffected: 25.2 RTM (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation MIT-56
Implementation

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
Requirements

Select a programming language that is not susceptible to these issues.

Mitigation
Implementation

Check the results of all functions that return a value and verify that the value is non-null before acting upon it.

Mitigation
Architecture and Design

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
Implementation

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.

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