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.
6723 vulnerabilities reference this CWE, most recent first.
CVE-2024-43167 (GCVE-0-2024-43167)
Vulnerability from cvelistv5 – Published: 2024-08-08 20:24 – Updated: 2025-11-03 22:04
VLAI
EPSS
VEX
Title
Unbound: null pointer dereference in unbound
Summary
DISPUTE NOTE: this issue does not pose a security risk as it (according to analysis by the original software developer, NLnet Labs) falls within the expected functionality and security controls of the application. Red Hat has made a claim that there is a security risk within Red Hat products. NLnet Labs has no further information about the claim, and suggests that affected Red Hat customers refer to available Red Hat documentation or support channels. ORIGINAL DESCRIPTION: A NULL pointer dereference flaw was found in the ub_ctx_set_fwd function in Unbound. This issue could allow an attacker who can invoke specific sequences of API calls to cause a segmentation fault. When certain API functions such as ub_ctx_set_fwd and ub_ctx_resolvconf are called in a particular order, the program attempts to read from a NULL pointer, leading to a crash. This issue can result in a denial of service by causing the application to terminate unexpectedly.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-09 12:53 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
6 references
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat OpenStack Platform 16.2 |
cpe:/a:redhat:openstack:16.2
|
|
| Red Hat | Red Hat OpenStack Platform 17.1 |
cpe:/a:redhat:openstack:17.1
|
|
| Red Hat | Red Hat OpenStack Platform 18.0 |
cpe:/a:redhat:openstack:18.0
|
Date Public
2024-08-07 02:00
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CVE-2024-42491 (GCVE-0-2024-42491)
Vulnerability from cvelistv5 – Published: 2024-09-05 17:17 – Updated: 2025-11-03 22:04
VLAI
EPSS
VEX
Title
A malformed Contact or Record-Route URI in an incoming SIP request can cause Asterisk to crash when res_resolver_unbound is used
Summary
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose host portion starts with `.1` or `[.1]`, and res_resolver_unbound is loaded, Asterisk will crash with a SEGV. To receive a patch, users should upgrade to one of the following versions: 18.24.3, 20.9.3, 21.4.3, certified-18.9-cert12, certified-20.7-cert2. Two workarounds are available. Disable res_resolver_unbound by setting `noload = res_resolver_unbound.so` in modules.conf, or set `rewrite_contact = yes` on all PJSIP endpoints. NOTE: This may not be appropriate for all Asterisk configurations.
Severity
5.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-05 18:48 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/asterisk/asterisk/security/adv… | x_refsource_CONFIRM |
| https://github.com/asterisk/asterisk/commit/42a2f… | x_refsource_MISC |
| https://github.com/asterisk/asterisk/commit/4f016… | x_refsource_MISC |
| https://github.com/asterisk/asterisk/commit/50bf8… | x_refsource_MISC |
| https://github.com/asterisk/asterisk/commit/7a009… | x_refsource_MISC |
| https://github.com/asterisk/asterisk/commit/a1505… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2024… |
Impacted products
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CVE-2024-42329 (GCVE-0-2024-42329)
Vulnerability from cvelistv5 – Published: 2024-11-27 12:05 – Updated: 2024-11-27 14:55
VLAI
EPSS
VEX
Title
JS - Crash on unexpected HTTP server response
Summary
The webdriver for the Browser object expects an error object to be initialized when the webdriver_session_query function fails. But this function can fail for various reasons without an error description and then the wd->error will be NULL and trying to read from it will result in a crash.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-27 14:55 UTC
Assigner
References
1 reference
Date Public
2024-10-30 11:36
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CVE-2024-42328 (GCVE-0-2024-42328)
Vulnerability from cvelistv5 – Published: 2024-11-27 12:04 – Updated: 2024-11-27 14:56
VLAI
EPSS
VEX
Title
JS - Crash on empty HTTP server response
Summary
When the webdriver for the Browser object downloads data from a HTTP server, the data pointer is set to NULL and is allocated only in curl_write_cb when receiving data. If the server's response is an empty document, then wd->data in the code below will remain NULL and an attempt to read from it will result in a crash.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-27 14:56 UTC
Assigner
References
1 reference
Date Public
2024-10-30 11:49
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CVE-2024-42058 (GCVE-0-2024-42058)
Vulnerability from cvelistv5 – Published: 2024-09-03 01:47 – Updated: 2024-09-03 13:54
VLAI
EPSS
VEX
Summary
A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-03 13:46 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | ATP series firmware |
Affected:
versions V4.32 through V5.38
|
|
| Zyxel | USG FLEX series firmware |
Affected:
versions V4.50 through V5.38
|
|
| Zyxel | USG FLEX 50(W) series firmware |
Affected:
versions V5.20 through V5.38
|
|
| Zyxel | USG20(W)-VPN series firmware |
Affected:
versions V5.20 through V5.38
|
|
| zyxel | atp800_firmware |
Affected:
4.32 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_700h_firmware |
Affected:
4.5 , ≤ 5.38
(custom)
cpe:2.3:o:zyxel:usg_flex_100ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_200h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_500h_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50ax_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:zyxel:usg_flex_700h_firmware:*:*:*:*:*:*:*:* |
|
| zyxel | usg_flex_50w_firmware |
Affected:
5.20 , ≤ 5.38
(custom)
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CVE-2024-41884 (GCVE-0-2024-41884)
Vulnerability from cvelistv5 – Published: 2024-12-24 05:30 – Updated: 2024-12-24 15:24
VLAI
EPSS
VEX
Title
Null Pointer Dereference
Summary
Team ENVY, a Security Research TEAM has found a flaw that allows for a remote code execution on the NVR. If an attacker does not enter any value for a specific URL parameter, NULL pointer references will occur and the NVR will reboot. The manufacturer has released patch firmware for the flaw, please refer to the manufacturer's report for details and workarounds.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-24 15:24 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.hanwhavision.com/wp-content/uploads/2… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Hanwha Vision Co., Ltd. | XRN-420S |
Affected:
5.01.62 and prior versions
|
Date Public
2024-12-24 05:26
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CVE-2024-41883 (GCVE-0-2024-41883)
Vulnerability from cvelistv5 – Published: 2024-12-24 05:32 – Updated: 2024-12-24 15:23
VLAI
EPSS
VEX
Title
Null Pointer Dereference
Summary
Team ENVY, a Security Research TEAM has found a flaw that allows for a remote code execution on the
NVR
. An attacker enters a special value for a specific URL parameter, resulting in a NULL pointer reference and a reboot of the NVR. The manufacturer has released patch firmware for the flaw, please refer to the manufacturer's report for details and workarounds.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-24 15:23 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.hanwhavision.com/wp-content/uploads/2… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Hanwha Vision Co., Ltd. | XRN-420S |
Affected:
5.01.62 and prior versions
|
Date Public
2024-12-24 05:29
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CVE-2024-41866 (GCVE-0-2024-41866)
Vulnerability from cvelistv5 – Published: 2024-08-14 15:05 – Updated: 2024-08-14 17:01
VLAI
EPSS
VEX
Title
Adobe Indesign 2024 DOC File Parsing Null Pointer Dereference
Summary
InDesign Desktop versions ID19.4, ID18.5.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to an application denial-of-service (DoS). An attacker could exploit this vulnerability to crash the application, resulting in a denial of service condition. 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 · CISA-ADP (v2.0.3)
Decision recorded 2024-08-14 16:57 UTC
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/indesig… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | InDesign Desktop |
Affected:
0 , ≤ ID18.5.2
(semver)
|
|
| adobe | indesign |
Affected:
0 , ≤ 19.4
(semver)
Affected: 0 , ≤ 18.5.2 (semver) cpe:2.3:a:adobe:indesign:*:*:*:*:*:*:*:* |
Date Public
2024-08-13 17:00
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CVE-2024-41836 (GCVE-0-2024-41836)
Vulnerability from cvelistv5 – Published: 2024-07-23 11:34 – Updated: 2024-12-12 17:23
VLAI
EPSS
VEX
Title
InDesign Desktop | NULL Pointer Dereference (CWE-476)
Summary
InDesign Desktop versions ID18.5.2, ID19.3 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to an application denial-of-service (DoS) condition. An attacker could exploit this vulnerability to crash the application, resulting in a DoS. 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 · CISA-ADP (v2.0.3)
Decision recorded 2024-07-23 13:25 UTC
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/indesig… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | InDesign Desktop |
Affected:
0 , ≤ ID19.3
(semver)
|
Date Public
2024-07-09 17:00
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CVE-2024-41164 (GCVE-0-2024-41164)
Vulnerability from cvelistv5 – Published: 2024-08-14 14:32 – Updated: 2024-08-14 14:53
VLAI
EPSS
VEX
Title
BIG-IP MPTCP vulnerability
Summary
When TCP profile with Multipath TCP enabled (MPTCP) is configured on a Virtual Server, undisclosed traffic along with conditions beyond the attackers control can cause TMM to terminate.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-14 14:53 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000138477 | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| F5 | BIG-IP |
Affected:
17.1.0 , < 17.1.1
(custom)
Affected: 16.1.0 , < 16.1.5 (custom) Affected: 15.1.0 , < 15.1.10 (custom) |
|
| F5 | BIG-IP Next CNF |
Affected:
1.1.0 , < 1.2.0
(custom)
|
|
| F5 | BIG-IP Next SPK |
Affected:
1.5.0 , < 1.9.0
(custom)
|
Date Public
2024-08-14 14:00
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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.