Common Weakness Enumeration

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

CVE-2021-44741 (GCVE-0-2021-44741)

Vulnerability from cvelistv5 – Published: 2022-01-14 19:05 – Updated: 2024-09-16 17:59
VLAI
Title
Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
Summary
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are 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
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE
  • CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
Impacted products
Vendor Product Version
Adobe Acrobat Reader Affected: unspecified , ≤ 21.007.20099 (custom)
Affected: unspecified , ≤ 20.004.30017 (custom)
Affected: unspecified , ≤ 17.011.30204 (custom)
Affected: unspecified , ≤ None (custom)
Create a notification for this product.
Date Public
2022-01-11 00:00
Show details on NVD website
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CVE-2022-0168 (GCVE-0-2022-0168)

Vulnerability from cvelistv5 – Published: 2022-08-26 17:25 – Updated: 2024-08-02 23:18
VLAI
Summary
A denial of service (DOS) issue was found in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.
Severity
No CVSS data available.
CWE
  • CWE-476 - - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Affects v5.4–5.12, v5.13-rc+HEAD
Show details on NVD website
To clipboard 

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CVE-2022-0240 (GCVE-0-2022-0240)

Vulnerability from cvelistv5 – Published: 2022-01-17 13:35 – Updated: 2024-08-02 23:18
VLAI
Title
NULL Pointer Dereference in mruby/mruby
Summary
mruby is vulnerable to NULL Pointer Dereference
Severity
6.2 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
mruby mruby/mruby Affected: unspecified , < 3.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-0326 (GCVE-0-2022-0326)

Vulnerability from cvelistv5 – Published: 2022-01-21 06:45 – Updated: 2024-08-02 23:25
VLAI
Title
NULL Pointer Dereference in mruby/mruby
Summary
NULL Pointer Dereference in Homebrew mruby prior to 3.2.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
mruby mruby/mruby Affected: unspecified , < 3.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-0419 (GCVE-0-2022-0419)

Vulnerability from cvelistv5 – Published: 2022-02-01 10:38 – Updated: 2024-08-02 23:25
VLAI
Title
NULL Pointer Dereference in radareorg/radare2
Summary
NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.6.0.
Severity
5.9 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
radareorg radareorg/radare2 Affected: unspecified , < 5.6.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-0481 (GCVE-0-2022-0481)

Vulnerability from cvelistv5 – Published: 2022-02-04 22:33 – Updated: 2024-08-02 23:32
VLAI
Title
NULL Pointer Dereference in mruby/mruby
Summary
NULL Pointer Dereference in Homebrew mruby prior to 3.2.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
mruby mruby/mruby Affected: unspecified , < 3.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-0617 (GCVE-0-2022-0617)

Vulnerability from cvelistv5 – Published: 2022-02-16 16:38 – Updated: 2024-08-02 23:32
VLAI
Summary
A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Kernel Affected: Linux kernel 5.17-rc2
Show details on NVD website
To clipboard 

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CVE-2022-0632 (GCVE-0-2022-0632)

Vulnerability from cvelistv5 – Published: 2022-02-19 14:00 – Updated: 2024-08-02 23:32
VLAI
Title
NULL Pointer Dereference in mruby/mruby
Summary
NULL Pointer Dereference in Homebrew mruby prior to 3.2.
Severity
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
mruby mruby/mruby Affected: unspecified , < 3.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-0696 (GCVE-0-2022-0696)

Vulnerability from cvelistv5 – Published: 2022-02-21 00:00 – Updated: 2024-08-02 23:40
VLAI
Title
NULL Pointer Dereference in vim/vim
Summary
NULL Pointer Dereference in GitHub repository vim/vim prior to 8.2.4428.
Severity
6.2 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
vim vim/vim Affected: unspecified , < 8.2.4428 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-0712 (GCVE-0-2022-0712)

Vulnerability from cvelistv5 – Published: 2022-02-22 17:52 – Updated: 2024-08-02 23:40
VLAI
Title
NULL Pointer Dereference in radareorg/radare2
Summary
NULL Pointer Dereference in GitHub repository radareorg/radare2 prior to 5.6.4.
Severity
5.9 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
radareorg radareorg/radare2 Affected: unspecified , < 5.6.4 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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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.

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