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.
6305 vulnerabilities reference this CWE, most recent first.
CVE-2023-40546 (GCVE-0-2023-40546)
Vulnerability from cvelistv5 – Published: 2024-01-29 16:29 – Updated: 2025-11-20 19:53
VLAI
EPSS
VEX
Title
Shim: out-of-bounds read printing error messages
Summary
A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:1834 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1835 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1873 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1876 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1883 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1902 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1903 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:1959 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2024:2086 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-40546 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2241796 | issue-trackingx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2024… | x_transferred |
Impacted products
15 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 |
Unaffected:
0:15.8-3.el7 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:7::client cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation |
|
| Red Hat | Red Hat Enterprise Linux 7 |
Unaffected:
0:15.8-1.el7 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:7::client cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::workstation |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:15.8-4.el8_9 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:15.8-2.el8_2 , < *
(rpm)
cpe:/o:redhat:rhel_tus:8.2::baseos cpe:/o:redhat:rhel_aus:8.2::baseos cpe:/o:redhat:rhel_e4s:8.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service |
Unaffected:
0:15.8-2.el8_2 , < *
(rpm)
cpe:/o:redhat:rhel_tus:8.2::baseos cpe:/o:redhat:rhel_aus:8.2::baseos cpe:/o:redhat:rhel_e4s:8.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions |
Unaffected:
0:15.8-2.el8_2 , < *
(rpm)
cpe:/o:redhat:rhel_tus:8.2::baseos cpe:/o:redhat:rhel_aus:8.2::baseos cpe:/o:redhat:rhel_e4s:8.2::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
0:15.8-2.el8_4 , < *
(rpm)
cpe:/o:redhat:rhel_tus:8.4::baseos cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_aus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service |
Unaffected:
0:15.8-2.el8_4 , < *
(rpm)
cpe:/o:redhat:rhel_tus:8.4::baseos cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_aus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions |
Unaffected:
0:15.8-2.el8_4 , < *
(rpm)
cpe:/o:redhat:rhel_tus:8.4::baseos cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_aus:8.4::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
0:15.8-2.el8_6 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.6::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support |
Unaffected:
0:15.8-2.el8 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.8::baseos cpe:/a:redhat:rhel_eus:8.8::crb |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:15.8-4.el9_3 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:15.8-3.el9 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.0::baseos cpe:/a:redhat:rhel_eus:9.0::crb cpe:/a:redhat:rhel_eus:9.0::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:15.8-2.el9 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.0::baseos cpe:/a:redhat:rhel_eus:9.0::crb cpe:/a:redhat:rhel_eus:9.0::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support |
Unaffected:
0:15.8-3.el9_2 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.2::baseos |
Date Public
2024-01-23 00:00
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CVE-2023-40459 (GCVE-0-2023-40459)
Vulnerability from cvelistv5 – Published: 2023-12-04 22:48 – Updated: 2025-05-29 13:44
VLAI
EPSS
VEX
Title
Improper input leads to DoS
Summary
The
ACEManager component of ALEOS 4.16 and earlier does not adequately perform
input sanitization during authentication, which could potentially result in a
Denial of Service (DoS) condition for ACEManager without impairing other router
functions. ACEManager recovers from the DoS condition by restarting within ten
seconds of becoming unavailable.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SierraWireless | ALEOS |
Affected:
4.10 , ≤ 4.16
(custom)
Affected: 0 , ≤ 4.9.8 (custom) |
Date Public
2023-11-28 18:00
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CVE-2023-40032 (GCVE-0-2023-40032)
Vulnerability from cvelistv5 – Published: 2023-09-11 18:34 – Updated: 2025-02-13 17:03
VLAI
EPSS
VEX
Title
Potential segfault due to NULL pointer dereference in libvips
Summary
libvips is a demand-driven, horizontally threaded image processing library. A specially crafted SVG input can cause libvips versions 8.14.3 or earlier to segfault when attempting to parse a malformed UTF-8 character. Users should upgrade to libvips version 8.14.4 (or later) when processing untrusted input.
Severity
5.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/libvips/libvips/security/advis… | x_refsource_CONFIRM |
| https://github.com/libvips/libvips/pull/3604 | x_refsource_MISC |
| https://github.com/libvips/libvips/commit/e091d65… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… |
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CVE-2023-39397 (GCVE-0-2023-39397)
Vulnerability from cvelistv5 – Published: 2023-08-13 12:32 – Updated: 2024-10-09 19:45
VLAI
EPSS
VEX
Summary
Input parameter verification vulnerability in the communication system. Successful exploitation of this vulnerability may affect availability.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
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CVE-2023-39351 (GCVE-0-2023-39351)
Vulnerability from cvelistv5 – Published: 2023-08-31 19:56 – Updated: 2025-11-03 20:35
VLAI
EPSS
VEX
Title
FreeRDP Null Pointer Dereference leading denial of service
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of FreeRDP are subject to a Null Pointer Dereference leading a crash in the RemoteFX (rfx) handling. Inside the `rfx_process_message_tileset` function, the program allocates tiles using `rfx_allocate_tiles` for the number of numTiles. If the initialization process of tiles is not completed for various reasons, tiles will have a NULL pointer. Which may be accessed in further processing and would cause a program crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
5.3 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
7 references
Impacted products
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CVE-2023-38676 (GCVE-0-2023-38676)
Vulnerability from cvelistv5 – Published: 2024-01-03 08:11 – Updated: 2024-09-06 17:26
VLAI
EPSS
VEX
Title
Segfault in paddle.dot
Summary
Nullptr in paddle.dot in PaddlePaddle before 2.6.0. This flaw can cause a runtime crash and a denial of service.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaddlePaddle | PaddlePaddle |
Affected:
0 , < 2.6.0
(git)
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CVE-2023-38670 (GCVE-0-2023-38670)
Vulnerability from cvelistv5 – Published: 2023-07-26 10:50 – Updated: 2024-10-23 14:26
VLAI
EPSS
VEX
Title
Null pointer dereference in paddle.flip
Summary
Null pointer dereference in paddle.flip in PaddlePaddle before 2.5.0. This resulted in a runtime crash and denial of service.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaddlePaddle | PaddlePaddle |
Affected:
0 , < 2.5.0
(git)
|
Date Public
2023-07-26 10:48
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CVE-2023-38524 (GCVE-0-2023-38524)
Vulnerability from cvelistv5 – Published: 2023-08-08 09:20 – Updated: 2025-02-27 21:10
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Parasolid V34.1 (All versions < V34.1.258), Parasolid V35.0 (All versions < V35.0.254), Parasolid V35.1 (All versions < V35.1.171), Teamcenter Visualization V14.1 (All versions < V14.1.0.11), Teamcenter Visualization V14.2 (All versions < V14.2.0.6), Teamcenter Visualization V14.3 (All versions < V14.3.0.3). The affected applications contain null pointer dereference while parsing specially crafted X_T files. This could allow an attacker to execute code in the context of the current process.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Parasolid V34.1 |
Affected:
0 , < V34.1.258
(custom)
|
|
| Siemens | Parasolid V35.0 |
Affected:
0 , < V35.0.254
(custom)
|
|
| Siemens | Parasolid V35.1 |
Affected:
0 , < V35.1.171
(custom)
|
|
| Siemens | Teamcenter Visualization V14.1 |
Affected:
0 , < V14.1.0.11
(custom)
|
|
| Siemens | Teamcenter Visualization V14.2 |
Affected:
0 , < V14.2.0.6
(custom)
|
|
| Siemens | Teamcenter Visualization V14.3 |
Affected:
0 , < V14.3.0.3
(custom)
|
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CVE-2023-38171 (GCVE-0-2023-38171)
Vulnerability from cvelistv5 – Published: 2023-10-10 17:07 – Updated: 2025-04-14 22:45
VLAI
EPSS
VEX
Title
Microsoft QUIC Denial of Service Vulnerability
Summary
Microsoft QUIC Denial of Service Vulnerability
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.2 |
Affected:
17.2.0 , < 17.2.21
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.4 |
Affected:
17.4.0 , < 17.4.13
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.6 |
Affected:
17.6.0 , < 17.6.9
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.7 |
Affected:
17.7.0 , < 17.7.6
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.2031
(custom)
|
|
| Microsoft | Windows 11 version 21H2 |
Affected:
10.0.0 , < 10.0.22000.2538
(custom)
|
|
| Microsoft | Windows 11 version 22H2 |
Affected:
10.0.22621.0 , < 10.0.22621.2428
(custom)
|
|
| Microsoft | .NET 7.0 |
Affected:
7.0.0 , < 7.0.13
(custom)
|
|
| Microsoft | PowerShell 7.3 |
Affected:
7.3.0 , < 7.3.9
(custom)
|
Date Public
2023-10-10 07:00
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CVE-2023-36709 (GCVE-0-2023-36709)
Vulnerability from cvelistv5 – Published: 2023-10-10 17:07 – Updated: 2025-04-14 22:46
VLAI
EPSS
VEX
Title
Microsoft AllJoyn API Denial of Service Vulnerability
Summary
Microsoft AllJoyn API Denial of Service Vulnerability
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
Impacted products
13 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.4974
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.0 , < 10.0.17763.4974
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.4974
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.4974
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.2031
(custom)
|
|
| Microsoft | Windows 11 version 21H2 |
Affected:
10.0.0 , < 10.0.22000.2538
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19043.0 , < 10.0.19041.3570
(custom)
|
|
| Microsoft | Windows 11 version 22H2 |
Affected:
10.0.22621.0 , < 10.0.22621.2428
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.3570
(custom)
|
|
| Microsoft | Windows 10 Version 1507 |
Affected:
10.0.10240.0 , < 10.0.10240.20232
(custom)
|
|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.6351
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.6351
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.6351
(custom)
|
Date Public
2023-10-10 07:00
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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.