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.
6310 vulnerabilities reference this CWE, most recent first.
CVE-2021-41217 (GCVE-0-2021-41217)
Vulnerability from cvelistv5 – Published: 2021-11-05 20:55 – Updated: 2024-08-04 03:08
VLAI
EPSS
VEX
Title
Null pointer exception when `Exit` node is not preceded by `Enter` op
Summary
TensorFlow is an open source platform for machine learning. In affected versions the process of building the control flow graph for a TensorFlow model is vulnerable to a null pointer exception when nodes that should be paired are not. This occurs because the code assumes that the first node in the pairing (e.g., an `Enter` node) always exists when encountering the second node (e.g., an `Exit` node). When this is not the case, `parent` is `nullptr` so dereferencing it causes a crash. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tensorflow/tensorflow/security… | x_refsource_CONFIRM |
| https://github.com/tensorflow/tensorflow/commit/0… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
>= 2.6.0, < 2.6.1
Affected: >= 2.5.0, < 2.5.2 Affected: < 2.4.4 |
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CVE-2021-41215 (GCVE-0-2021-41215)
Vulnerability from cvelistv5 – Published: 2021-11-05 20:55 – Updated: 2024-08-04 03:08
VLAI
EPSS
VEX
Title
Null pointer exception in `DeserializeSparse`
Summary
TensorFlow is an open source platform for machine learning. In affected versions the shape inference code for `DeserializeSparse` can trigger a null pointer dereference. This is because the shape inference function assumes that the `serialize_sparse` tensor is a tensor with positive rank (and having `3` as the last dimension). The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tensorflow/tensorflow/security… | x_refsource_CONFIRM |
| https://github.com/tensorflow/tensorflow/commit/d… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
>= 2.6.0, < 2.6.1
Affected: >= 2.5.0, < 2.5.2 Affected: < 2.4.4 |
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CVE-2021-41208 (GCVE-0-2021-41208)
Vulnerability from cvelistv5 – Published: 2021-11-05 21:50 – Updated: 2024-08-04 03:08
VLAI
EPSS
VEX
Title
Incomplete validation in boosted trees code
Summary
TensorFlow is an open source platform for machine learning. In affected versions the code for boosted trees in TensorFlow is still missing validation. As a result, attackers can trigger denial of service (via dereferencing `nullptr`s or via `CHECK`-failures) as well as abuse undefined behavior (binding references to `nullptr`s). An attacker can also read and write from heap buffers, depending on the API that gets used and the arguments that are passed to the call. Given that the boosted trees implementation in TensorFlow is unmaintained, it is recommend to no longer use these APIs. We will deprecate TensorFlow's boosted trees APIs in subsequent releases. The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.
Severity
8.8 (High)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tensorflow/tensorflow/security… | x_refsource_CONFIRM |
| https://github.com/tensorflow/tensorflow/commit/5… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tensorflow | tensorflow |
Affected:
>= 2.6.0, < 2.6.1
Affected: >= 2.5.0, < 2.5.2 Affected: < 2.4.4 |
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CVE-2021-40796 (GCVE-0-2021-40796)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:03 – Updated: 2025-04-23 18:49
VLAI
EPSS
VEX
Title
Adobe Premiere Pro Null Pointer Dereference Application denial-of-service
Summary
Adobe Premiere Pro 15.4.1 (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/premier… | x_refsource_MISC |
Impacted products
Date Public
2021-10-26 00:00
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CVE-2021-40789 (GCVE-0-2021-40789)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:03 – Updated: 2025-04-23 18:49
VLAI
EPSS
VEX
Title
Adobe Premiere Elements 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/premier… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Premiere Elements |
Affected:
unspecified , ≤ 20210809.daily.2242976
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-10-26 00:00
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CVE-2021-40788 (GCVE-0-2021-40788)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:03 – Updated: 2025-04-23 18:50
VLAI
EPSS
VEX
Title
Adobe Premiere Elements Null Pointer Dereference Application denial-of-service
Summary
Adobe Premiere Elements 20210809.daily.2242976 (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/premier… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Premiere Elements |
Affected:
unspecified , ≤ 20210809.daily.2242976
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-10-26 00:00
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CVE-2021-40785 (GCVE-0-2021-40785)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:03 – Updated: 2025-04-23 18:50
VLAI
EPSS
VEX
Title
Adobe Premiere Elements Null Pointer Dereference Application denial-of-service
Summary
Adobe Premiere Elements 20210809.daily.2242976 (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/premier… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Premiere Elements |
Affected:
unspecified , ≤ 20210809.daily.2242976
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-10-26 00:00
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CVE-2021-40782 (GCVE-0-2021-40782)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:02 – Updated: 2025-04-23 18:53
VLAI
EPSS
VEX
Title
Adobe Media Encoder Null Pointer Dereference Application denial-of-service
Summary
Adobe Media Encoder 15.4.1 (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/media-e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Media Encoder |
Affected:
unspecified , ≤ 15.4.1
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-10-26 00:00
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CVE-2021-40781 (GCVE-0-2021-40781)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:02 – Updated: 2025-04-23 18:52
VLAI
EPSS
VEX
Title
Adobe Media Encoder Null Pointer Dereference Application denial-of-service
Summary
Adobe Media Encoder 15.4.1 (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/media-e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Media Encoder |
Affected:
unspecified , ≤ 15.4.1
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-10-26 00:00
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CVE-2021-40778 (GCVE-0-2021-40778)
Vulnerability from cvelistv5 – Published: 2022-03-16 14:02 – Updated: 2025-04-23 18:53
VLAI
EPSS
VEX
Title
Adobe Media Encoder Null Pointer Dereference Application denial-of-service
Summary
Adobe Media Encoder 15.4.1 (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/media-e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Media Encoder |
Affected:
unspecified , ≤ 15.4.1
(custom)
Affected: unspecified , ≤ None (custom) |
Date Public
2021-10-26 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.