CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVE-2021-20296 (GCVE-0-2021-20296)
Vulnerability from cvelistv5 – Published: 2021-04-01 00:00 – Updated: 2024-08-03 17:37
VLAI
Summary
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
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CVE-2021-20299 (GCVE-0-2021-20299)
Vulnerability from cvelistv5 – Published: 2022-03-16 00:00 – Updated: 2024-08-03 17:37
VLAI
Summary
A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Severity
No CVSS data available.
CWE
- CWE-476 - (NULL Pointer Dereference)
Assigner
References
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CVE-2021-21057 (GCVE-0-2021-21057)
Vulnerability from cvelistv5 – Published: 2021-02-11 19:42 – Updated: 2024-09-17 02:06
VLAI
Title
Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
Summary
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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
6.6 (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 , ≤ 2020.013.20074
(custom)
Affected: unspecified , ≤ 2020.001.30018 (custom) Affected: unspecified , ≤ 2017.011.30188 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-02-09 00:00
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CVE-2021-21702 (GCVE-0-2021-21702)
Vulnerability from cvelistv5 – Published: 2021-02-15 04:10 – Updated: 2024-09-16 17:34
VLAI
Title
Null Dereference in SoapClient
Summary
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Severity
5.3 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://bugs.php.net/bug.php?id=80672 | x_refsource_MISC |
| https://www.debian.org/security/2021/dsa-4856 | vendor-advisoryx_refsource_DEBIAN |
| https://security.gentoo.org/glsa/202105-23 | vendor-advisoryx_refsource_GENTOO |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://www.tenable.com/security/tns-2021-14 | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2021031… | x_refsource_CONFIRM |
Impacted products
Date Public
2021-02-01 00:00
Credits
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CVE-2021-22570 (GCVE-0-2021-22570)
Vulnerability from cvelistv5 – Published: 2022-01-26 00:00 – Updated: 2025-04-21 13:56
VLAI
Title
Nullptr Dereference in Protobuf
Summary
Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the proto file's name during generation of the resulting error message. Since the symbol is incorrectly parsed, the file is nullptr. We recommend upgrading to version 3.15.0 or greater.
Severity
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://github.com/protocolbuffers/protobuf/relea… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://www.oracle.com/security-alerts/cpuapr2022.html | |
| https://security.netapp.com/advisory/ntap-2022042… | |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | Protobuf |
Affected:
unspecified , < 3.15.0
(custom)
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CVE-2021-22792 (GCVE-0-2021-22792)
Vulnerability from cvelistv5 – Published: 2021-09-02 16:53 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-476: NULL Pointer Dereference vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for EcoStruxureª Control Expert, including all Unity Pro versions (former name of EcoStruxureª Control Expert, all versions), PLC Simulator for EcoStruxureª Process Expert including all HDCS versions (former name of EcoStruxureª Process Expert, all versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all versions).
Severity
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://download.schneider-electric.com/files?p_D… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for EcoStruxureª Control Expert, including all Unity Pro versions (former name of EcoStruxureª Control Expert, all versions), PLC Simulator for EcoStruxureª Process Expert including all HDCS versions (former name of EcoStruxureª Process Expert, all versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all versions) |
Affected:
Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for EcoStruxureª Control Expert, including all Unity Pro versions (former name of EcoStruxureª Control Expert, all versions), PLC Simulator for EcoStruxureª Process Expert including all HDCS versions (former name of EcoStruxureª Process Expert, all versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all versions)
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CVE-2021-23180 (GCVE-0-2021-23180)
Vulnerability from cvelistv5 – Published: 2022-03-02 22:29 – Updated: 2024-08-03 19:05
VLAI
Summary
A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.
Severity
No CVSS data available.
CWE
- CWE-476 - - NULL Pointer Dereference, CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/michaelrsweet/htmldoc/issues/418 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1967041 | x_refsource_MISC |
| https://ubuntu.com/security/CVE-2021-23180 | x_refsource_MISC |
| https://github.com/michaelrsweet/htmldoc/commit/1… | x_refsource_MISC |
Impacted products
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CVE-2021-23191 (GCVE-0-2021-23191)
Vulnerability from cvelistv5 – Published: 2022-03-02 22:28 – Updated: 2024-08-03 19:05
VLAI
Summary
A security issue was found in htmldoc v1.9.12 and before. A NULL pointer dereference in the function image_load_jpeg() in image.cxx may result in denial of service.
Severity
No CVSS data available.
CWE
- CWE-476 - - NULL Pointer Dereference
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/michaelrsweet/htmldoc/issues/415 | x_refsource_MISC |
| https://github.com/michaelrsweet/htmldoc/commit/3… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1967022 | x_refsource_MISC |
| https://ubuntu.com/security/CVE-2021-23191 | x_refsource_MISC |
Impacted products
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CVE-2021-23883 (GCVE-0-2021-23883)
Vulnerability from cvelistv5 – Published: 2021-02-10 09:25 – Updated: 2024-09-17 01:41
VLAI
Title
Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)
Summary
A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update.
Severity
4 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kc.mcafee.com/corporate/index?page=conten… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| McAfee LLC | Endpoint Security (ENS) for Windows |
Affected:
10.7.x , < 10.7.0 February 2021
(custom)
|
Date Public
2021-02-10 00:00
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CVE-2021-25458 (GCVE-0-2021-25458)
Vulnerability from cvelistv5 – Published: 2021-09-09 18:04 – Updated: 2024-08-03 20:03
VLAI
Summary
NULL pointer dereference vulnerability in ION driver prior to SMR Sep-2021 Release 1 allows attackers to cause memory corruption.
Severity
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.samsungmobile.com/securityUpdate… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Mobile | Samsung Mobile Devices |
Affected:
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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.