Common Weakness Enumeration
CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6351 vulnerabilities reference this CWE, most recent first.
CVE-2021-40737 (GCVE-0-2021-40737)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:03 – Updated: 2025-04-23 18:47
VLAI
EPSS
VEX
Title
Adobe Audition NULL Pointer Dereference Application denial-of-service
Summary
Adobe Audition version 14.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/auditio… | x_refsource_MISC |
Impacted products
Date Public
2021-10-26 00:00
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CVE-2021-40732 (GCVE-0-2021-40732)
Vulnerability from cvelistv5 – Published: 2021-10-13 16:02 – Updated: 2025-11-03 19:26
VLAI
EPSS
VEX
Title
XMP Toolkit SDK Null Pointer Dereference
Summary
XMP Toolkit version 2020.1 (and earlier) is affected by a null pointer dereference vulnerability that could result in leaking data from certain memory locations and causing a local denial of service in the context of the current user. User interaction is required to exploit this vulnerability in that the victim will need to open a specially crafted MXF file.
Severity
6.1 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | XMP Toolkit |
Affected:
unspecified , ≤ 2020.1
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-08-10 00:00
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CVE-2021-40027 (GCVE-0-2021-40027)
Vulnerability from cvelistv5 – Published: 2022-01-07 22:39 – Updated: 2024-08-04 02:27
VLAI
EPSS
VEX
Summary
The bone voice ID TA has a vulnerability in calculating the buffer length,Successful exploitation of this vulnerability may affect data confidentiality.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
3 references
Impacted products
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CVE-2021-39860 (GCVE-0-2021-39860)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:39 – Updated: 2024-09-17 00:37
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC Search Plugin Null Pointer Dereference
Summary
Acrobat Pro DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive user memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.004.30006
(custom)
Affected: unspecified , ≤ 2017.011.30199 (custom) Affected: unspecified , ≤ 2021.005.20060 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-09-14 00:00
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CVE-2021-39854 (GCVE-0-2021-39854)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:39 – Updated: 2024-09-17 01:12
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service
Summary
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ DC 2021 July
(custom)
Affected: unspecified , ≤ 20.0-Classic 2021 July (custom) Affected: unspecified , ≤ 17.0-Classic 2021 July (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-09-14 00:00
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CVE-2021-39853 (GCVE-0-2021-39853)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:38 – Updated: 2024-09-17 02:26
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service
Summary
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ DC 2021 July
(custom)
Affected: unspecified , ≤ 20.0-Classic 2021 July (custom) Affected: unspecified , ≤ 17.0-Classic 2021 July (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-09-14 00:00
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CVE-2021-39852 (GCVE-0-2021-39852)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:38 – Updated: 2024-09-16 18:39
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service
Summary
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ DC 2021 July
(custom)
Affected: unspecified , ≤ 20.0-Classic 2021 July (custom) Affected: unspecified , ≤ 17.0-Classic 2021 July (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-09-14 00:00
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CVE-2021-39851 (GCVE-0-2021-39851)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:38 – Updated: 2024-09-17 00:06
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service
Summary
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ DC 2021 July
(custom)
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Date Public
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CVE-2021-39850 (GCVE-0-2021-39850)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:38 – Updated: 2024-09-16 19:42
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service
Summary
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ DC 2021 July
(custom)
Affected: unspecified , ≤ 20.0-Classic 2021 July (custom) Affected: unspecified , ≤ 17.0-Classic 2021 July (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-09-14 00:00
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CVE-2021-39849 (GCVE-0-2021-39849)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:39 – Updated: 2024-09-16 19:31
VLAI
EPSS
VEX
Title
Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service
Summary
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ DC 2021 July
(custom)
Affected: unspecified , ≤ 20.0-Classic 2021 July (custom) Affected: unspecified , ≤ 17.0-Classic 2021 July (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-09-14 00:00
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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.