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CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVE-2021-39851 (GCVE-0-2021-39851)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:38 – Updated: 2024-09-17 00:06
VLAI
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
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) |
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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
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-2021-39854 (GCVE-0-2021-39854)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:39 – Updated: 2024-09-17 01:12
VLAI
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-2021-39860 (GCVE-0-2021-39860)
Vulnerability from cvelistv5 – Published: 2021-09-29 15:39 – Updated: 2024-09-17 00:37
VLAI
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-2021-40027 (GCVE-0-2021-40027)
Vulnerability from cvelistv5 – Published: 2022-01-07 22:39 – Updated: 2024-08-04 02:27
VLAI
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-2021-4043 (GCVE-0-2021-4043)
Vulnerability from cvelistv5 – Published: 2022-02-04 00:00 – Updated: 2024-11-08 04:55
VLAI
Title
NULL Pointer Dereference in gpac/gpac
Summary
NULL Pointer Dereference in GitHub repository gpac/gpac prior to 1.1.0.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
3 references
Impacted products
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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
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-2021-40737 (GCVE-0-2021-40737)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:03 – Updated: 2025-04-23 18:47
VLAI
Title
Adobe Audition NULL Pointer Dereference Application denial-of-service
Summary
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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-2021-40742 (GCVE-0-2021-40742)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:03 – Updated: 2025-04-23 18:47
VLAI
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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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.