Common Weakness Enumeration

CWE-476

Allowed

NULL Pointer Dereference

Abstraction: Base · Status: Stable

API response cwe.mitre.org

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

6310 vulnerabilities reference this CWE, most recent first.

CVE-2025-32912 (GCVE-0-2025-32912)

Vulnerability from cvelistv5 – Published: 2025-04-14 14:44 – Updated: 2026-06-30 00:34
VLAI
Title
Libsoup: null pointer dereference in client when server omits the "nonce" parameter in an unauthorized response with digest authentication
Summary
A flaw was found in libsoup, where SoupAuthDigest is vulnerable to a NULL pointer dereference. The HTTP server may cause the libsoup client to crash.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 3.6.5 (semver)
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.6.5-3.el10_0 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.0
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
 Create a notification for this product.
Date Public
2025-04-14 00:00
Show details on NVD website
To clipboard 

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CVE-2025-32910 (GCVE-0-2025-32910)

Vulnerability from cvelistv5 – Published: 2025-04-14 14:43 – Updated: 2026-06-30 00:34
VLAI
Title
Libsoup: null pointer deference on libsoup via /auth/soup-auth-digest.c through "soup_auth_digest_authenticate" on client when server omits the "realm" parameter in an unauthorized response with digest authentication
Summary
A flaw was found in libsoup, where soup_auth_digest_authenticate() is vulnerable to a NULL pointer dereference. This issue may cause the libsoup client to crash.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 3.6.3 (semver)
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.8-3.el8_10.1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:8.10-1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
 Create a notification for this product.
Date Public
2025-04-14 00:00
Show details on NVD website
To clipboard 

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CVE-2025-32909 (GCVE-0-2025-32909)

Vulnerability from cvelistv5 – Published: 2025-04-14 14:42 – Updated: 2026-06-30 00:34
VLAI
Title
Libsoup: null pointer dereference on libsoup through function "sniff_mp4" in soup-content-sniffer.c
Summary
A flaw was found in libsoup. SoupContentSniffer may be vulnerable to a NULL pointer dereference in the sniff_mp4 function. The HTTP server may cause the libsoup client to crash.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 3.6.2 (semver)
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.8-3.el8_10.1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:8.10-1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
 Create a notification for this product.
Date Public
2025-04-14 00:00
Show details on NVD website
To clipboard 

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CVE-2025-32818 (GCVE-0-2025-32818)

Vulnerability from cvelistv5 – Published: 2025-04-23 19:24 – Updated: 2025-04-23 19:56
VLAI
Summary
A Null Pointer Dereference vulnerability in the SonicOS SSLVPN Virtual office interface allows a remote, unauthenticated attacker to crash the firewall, potentially leading to a Denial-of-Service (DoS) condition.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
SonicWall SonicOS Affected: 7.1.1-7040 , ≤ 7.1.3-7015 (custom)
Affected: 8.0.0-8037 and earlier versions
Create a notification for this product.
Date Public
2025-04-23 19:16
Show details on NVD website
To clipboard 

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CVE-2025-32787 (GCVE-0-2025-32787)

Vulnerability from cvelistv5 – Published: 2025-04-16 21:41 – Updated: 2025-04-17 13:15
VLAI
Title
SoftEtherVPN Affected by NULL dereference in DeleteIPv6DefaultRouterInRA
Summary
SoftEtherVPN is a an open-source cross-platform multi-protocol VPN Program. Versions 5.02.5184 to 5.02.5187 are vulnerable to NULL dereference in `DeleteIPv6DefaultRouterInRA` called by `StorePacket`. Before dereferencing, `DeleteIPv6DefaultRouterInRA` does not account for `ParsePacket` returning NULL, resulting in the program crashing. A patched version does not exist at this time.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
SoftEtherVPN SoftEtherVPN Affected: >= 5.02.5184, <= 5.02.5187
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-32398 (GCVE-0-2025-32398)

Vulnerability from cvelistv5 – Published: 2025-05-07 07:05 – Updated: 2025-05-07 14:02
VLAI
Summary
A NULL Pointer Dereference in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to induce a crash in IO devices that use the library by sending a malicious RPC packet.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
RT-Labs P-Net Affected: 0 , ≤ 1.0.1 (semver)
Create a notification for this product.
Credits
Luca Borzacchiello of Nozomi Networks.
Show details on NVD website
To clipboard 

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CVE-2025-31181 (GCVE-0-2025-31181)

Vulnerability from cvelistv5 – Published: 2025-03-27 15:09 – Updated: 2026-06-26 02:22
VLAI
Title
Gnuplot: gnuplot segmentation fault on x11_graphics
Summary
A flaw was found in gnuplot. The X11_graphics() function may lead to a segmentation fault and cause a system crash.
Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 6.1 (semver)
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
Date Public
2025-03-27 00:00
Credits
Red Hat would like to thank ChenYiFan Liu for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2025-31180 (GCVE-0-2025-31180)

Vulnerability from cvelistv5 – Published: 2025-03-27 15:08 – Updated: 2026-06-25 23:42
VLAI
Title
Gnuplot: gnuplot segmentation fault on canvas_text
Summary
A flaw was found in gnuplot. The CANVAS_text() function may lead to a segmentation fault and cause a system crash.
Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 6.0 (semver)
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
Date Public
2025-03-27 00:00
Credits
Red Hat would like to thank ChenYiFan Liu for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2025-31179 (GCVE-0-2025-31179)

Vulnerability from cvelistv5 – Published: 2025-03-27 15:08 – Updated: 2026-06-25 23:42
VLAI
Title
Gnuplot: gnuplot segmentation fault on xstrftime
Summary
A flaw was found in gnuplot. The xstrftime() function may lead to a segmentation fault, causing a system crash.
Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 6.0 (semver)
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
Date Public
2025-03-27 00:00
Credits
Red Hat would like to thank ChenYiFan Liu for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2025-31178 (GCVE-0-2025-31178)

Vulnerability from cvelistv5 – Published: 2025-03-27 15:06 – Updated: 2026-06-25 23:42
VLAI
Title
Gnuplot: gnuplot segmentation fault on getannotatestring
Summary
A flaw was found in gnuplot. The GetAnnotateString() function may lead to a segmentation fault and cause a system crash.
Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 6.0 (semver)
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
Date Public
2025-03-27 00:00
Credits
Red Hat would like to thank ChenYiFan Liu for reporting this issue.
Show details on NVD website
To clipboard 

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          "url": "https://access.redhat.com/security/cve/CVE-2025-31178"
        },
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          "name": "RHBZ#2355341",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355341"
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      "timeline": [
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          "lang": "en",
          "time": "2025-03-27T14:09:54.142Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2025-03-27T00:00:00.000Z",
          "value": "Made public."
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      "title": "Gnuplot: gnuplot segmentation fault on getannotatestring",
      "workarounds": [
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          "lang": "en",
          "value": "Currently, no mitigation is available for this vulnerability"
        }
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      "x_redhatCweChain": "CWE-476: NULL Pointer Dereference"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2025-31178",
    "datePublished": "2025-03-27T15:06:38.451Z",
    "dateReserved": "2025-03-27T14:08:08.893Z",
    "dateUpdated": "2026-06-25T23:42:42.508Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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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.

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