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Vulnerability Details :

CVE-2021-34418

Summary
Assigner-Zoom
Assigner Org ID-99b9af0d-a833-4a5d-9e2f-8b1324f35351
Published At-11 Nov, 2021 | 22:59
Updated At-16 Sep, 2024 | 22:14
Rejected At-
Credits

Pre-auth Null pointer crash in on-premise web console

The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Zoom
Assigner Org ID:99b9af0d-a833-4a5d-9e2f-8b1324f35351
Published At:11 Nov, 2021 | 22:59
Updated At:16 Sep, 2024 | 22:14
Rejected At:
▼CVE Numbering Authority (CNA)
Pre-auth Null pointer crash in on-premise web console

The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.

Affected Products
Vendor
Zoom Communications, Inc.Zoom Video Communications Inc
Product
Zoom On-Premise Meeting Connector
Versions
Affected
  • From unspecified before 4.6.239.20200613 (custom)
Vendor
Zoom Communications, Inc.Zoom Video Communications Inc
Product
Zoom On-Premise Meeting Connector MMR
Versions
Affected
  • From unspecified before 4.6.239.20200613 (custom)
Vendor
Zoom Communications, Inc.Zoom Video Communications Inc
Product
Zoom On-Premise Recording Connector
Versions
Affected
  • From unspecified before 3.8.42.20200905 (custom)
Vendor
Zoom Communications, Inc.Zoom Video Communications Inc
Product
Zoom On-Premise Virtual Room Connector
Versions
Affected
  • From unspecified before 4.4.6344.20200612 (custom)
Vendor
Zoom Communications, Inc.Zoom Video Communications Inc
Product
Zoom On-Premise Virtual Room Connector Load Balancer
Versions
Affected
  • From unspecified before 2.5.5492.20200616 (custom)
Problem Types
TypeCWE IDDescription
textN/AImproper Input Validation
Type: text
CWE ID: N/A
Description: Improper Input Validation
Metrics
VersionBase scoreBase severityVector
3.14.0MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 4.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Jeremy Brown
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://explore.zoom.us/en/trust/security/security-bulletin
x_refsource_MISC
Hyperlink: https://explore.zoom.us/en/trust/security/security-bulletin
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://explore.zoom.us/en/trust/security/security-bulletin
x_refsource_MISC
x_transferred
Hyperlink: https://explore.zoom.us/en/trust/security/security-bulletin
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@zoom.us
Published At:11 Nov, 2021 | 23:15
Updated At:16 Nov, 2021 | 18:01

The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Secondary3.14.0MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Primary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 3.1
Base score: 4.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches

Zoom Communications, Inc.
zoom
>>zoom_on-premise_meeting_connector_controller>>Versions before 4.6.239.20200613(exclusive)
cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_controller:*:*:*:*:*:*:*:*
Zoom Communications, Inc.
zoom
>>zoom_on-premise_meeting_connector_mmr>>Versions before 4.6.239.20200613(exclusive)
cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_mmr:*:*:*:*:*:*:*:*
Zoom Communications, Inc.
zoom
>>zoom_on-premise_recording_connector>>Versions before 3.8.42.20200905(exclusive)
cpe:2.3:a:zoom:zoom_on-premise_recording_connector:*:*:*:*:*:*:*:*
Zoom Communications, Inc.
zoom
>>zoom_on-premise_virtual_room_connector>>Versions before 4.4.6344.20200612(exclusive)
cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector:*:*:*:*:*:*:*:*
Zoom Communications, Inc.
zoom
>>zoom_on-premise_virtual_room_connector_load_balancer>>Versions before 2.5.5492.20200616(exclusive)
cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector_load_balancer:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-476Primarynvd@nist.gov
CWE ID: CWE-476
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://explore.zoom.us/en/trust/security/security-bulletinsecurity@zoom.us
Vendor Advisory
Hyperlink: https://explore.zoom.us/en/trust/security/security-bulletin
Source: security@zoom.us
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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NULL Pointer Dereference
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Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.27% / 50.93%
||
7 Day CHG~0.00%
Published-14 Jul, 2022 | 19:12
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Toybox v0.8.7 was discovered to contain a NULL pointer dereference via the component httpd.c. This vulnerability can lead to a Denial of Service (DoS) via unspecified vectors.

Action-Not Available
Vendor-toybox_projectn/a
Product-toyboxn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-12412
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-7.5||HIGH
EPSS-2.45% / 85.31%
||
7 Day CHG~0.00%
Published-18 Nov, 2020 | 23:16
Updated-04 Aug, 2024 | 23:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-n/aThe Apache Software Foundation
Product-libapreq2libapreq2
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-14588
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.37% / 58.68%
||
7 Day CHG~0.00%
Published-24 Jul, 2018 | 16:00
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-n/aAxiomatic Systems, LLC
Product-bento4n/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2026-6778
Matching Score-4
Assigner-Mozilla Corporation
ShareView Details
Matching Score-4
Assigner-Mozilla Corporation
CVSS Score-5.3||MEDIUM
EPSS-0.04% / 13.41%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:41
Updated-22 Apr, 2026 | 16:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Invalid pointer in the Audio/Video: Playback component

Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefoxFirefoxThunderbird
CWE ID-CWE-476
NULL Pointer Dereference
CWE ID-CWE-824
Access of Uninitialized Pointer
CVE-2022-30279
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.39% / 60.11%
||
7 Day CHG~0.00%
Published-12 May, 2022 | 14:49
Updated-20 Aug, 2024 | 14:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Stormshield Network Security (SNS) 4.3.x before 4.3.8. The event logging of the ASQ sofbus lacbus plugin triggers the dereferencing of a NULL pointer, leading to a crash of SNS. An attacker could exploit this vulnerability via forged sofbus lacbus traffic to cause a firmware crash.

Action-Not Available
Vendor-stormshieldn/a
Product-stormshield_network_securityn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2011-1752
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-5||MEDIUM
EPSS-22.71% / 95.91%
||
7 Day CHG~0.00%
Published-06 Jun, 2011 | 19:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.17, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request for a baselined WebDAV resource, as exploited in the wild in May 2011.

Action-Not Available
Vendor-n/aCanonical Ltd.Apple Inc.The Apache Software FoundationDebian GNU/LinuxFedora Project
Product-debian_linuxubuntu_linuxmac_os_xfedorasubversionn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-29795
Matching Score-4
Assigner-Huawei Technologies
ShareView Details
Matching Score-4
Assigner-Huawei Technologies
CVSS Score-7.5||HIGH
EPSS-0.19% / 40.65%
||
7 Day CHG~0.00%
Published-13 May, 2022 | 15:05
Updated-03 Aug, 2024 | 06:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The frame scheduling module has a null pointer dereference vulnerability. Successful exploitation of this vulnerability will affect the kernel availability.

Action-Not Available
Vendor-Huawei Technologies Co., Ltd.
Product-emuiharmonyosHarmonyOSEMUI
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2015-4054
Matching Score-4
Assigner-Debian GNU/Linux
ShareView Details
Matching Score-4
Assigner-Debian GNU/Linux
CVSS Score-7.5||HIGH
EPSS-3.38% / 87.46%
||
7 Day CHG~0.00%
Published-23 May, 2017 | 03:56
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet.

Action-Not Available
Vendor-pgbouncern/a
Product-pgbouncern/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-29491
Matching Score-4
Assigner-F5, Inc.
ShareView Details
Matching Score-4
Assigner-F5, Inc.
CVSS Score-7.5||HIGH
EPSS-1.04% / 77.54%
||
7 Day CHG~0.00%
Published-05 May, 2022 | 16:49
Updated-16 Sep, 2024 | 18:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

On F5 BIG-IP LTM, Advanced WAF, ASM, or APM 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5, 14.1.x versions prior to 14.1.4.6, and all versions of 13.1.x, 12.1.x, and 11.6.x, when a virtual server is configured with HTTP, TCP on one side (client/server), and DTLS on the other (server/client), undisclosed requests can cause the TMM process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Action-Not Available
Vendor-F5, Inc.
Product-big-ip_local_traffic_managerbig-ip_access_policy_managerbig-ip_advanced_web_application_firewallbig-ip_application_security_managerBIG-IP LTM, Advanced WAF, ASM, and APM
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-12697
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.56% / 81.63%
||
7 Day CHG~0.00%
Published-23 Jun, 2018 | 22:00
Updated-05 Aug, 2024 | 08:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A NULL pointer dereference (aka SEGV on unknown address 0x000000000000) was discovered in work_stuff_copy_to_from in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30. This can occur during execution of objdump.

Action-Not Available
Vendor-n/aCanonical Ltd.GNU
Product-ubuntu_linuxbinutilsn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-29340
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.27% / 50.93%
||
7 Day CHG~0.00%
Published-05 May, 2022 | 12:46
Updated-03 Aug, 2024 | 06:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

GPAC 2.1-DEV-rev87-g053aae8-master. has a Null Pointer Dereference vulnerability in gf_isom_parse_movie_boxes_internal due to improper return value handling of GF_SKIP_BOX, which causes a Denial of Service. This vulnerability was fixed in commit 37592ad.

Action-Not Available
Vendor-n/aGPAC
Product-gpacn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2015-3194
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-51.90% / 97.93%
||
7 Day CHG~0.00%
Published-06 Dec, 2015 | 00:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

crypto/rsa/rsa_ameth.c in OpenSSL 1.0.1 before 1.0.1q and 1.0.2 before 1.0.2e allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an RSA PSS ASN.1 signature that lacks a mask generation function parameter.

Action-Not Available
Vendor-n/aCanonical Ltd.OpenSSLDebian GNU/LinuxNode.js (OpenJS Foundation)
Product-debian_linuxubuntu_linuxnode.jsopenssln/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2017-15267
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.66% / 71.25%
||
7 Day CHG~0.00%
Published-11 Oct, 2017 | 17:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In GNU Libextractor 1.4, there is a NULL Pointer Dereference in flac_metadata in flac_extractor.c.

Action-Not Available
Vendor-n/aGNU
Product-libextractorn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-10548
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-52.70% / 97.96%
||
7 Day CHG~0.00%
Published-29 Apr, 2018 | 21:00
Updated-05 Aug, 2024 | 07:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. ext/ldap/ldap.c allows remote LDAP servers to cause a denial of service (NULL pointer dereference and application crash) because of mishandling of the ldap_get_dn return value.

Action-Not Available
Vendor-n/aNetApp, Inc.Canonical Ltd.Debian GNU/LinuxThe PHP Group
Product-ubuntu_linuxphpdebian_linuxstorage_automation_storen/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2019-12175
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.33% / 55.83%
||
7 Day CHG~0.00%
Published-17 Jul, 2019 | 16:40
Updated-04 Aug, 2024 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Zeek Network Security Monitor (formerly known as Bro) before 2.6.2, a NULL pointer dereference in the Kerberos (aka KRB) protocol parser leads to DoS because a case-type index is mishandled.

Action-Not Available
Vendor-zeekn/a
Product-zeekn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-12469
Matching Score-4
Assigner-OpenText (formerly Micro Focus)
ShareView Details
Matching Score-4
Assigner-OpenText (formerly Micro Focus)
CVSS Score-7.5||HIGH
EPSS-0.34% / 56.42%
||
7 Day CHG~0.00%
Published-12 Oct, 2018 | 13:00
Updated-16 Sep, 2024 | 19:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Incorrect handling of an invalid value for an HTTP request parameter by Directory Server (aka Enterprise Server Administration web UI) in Micro Focus Enterprise Developer and Enterprise Server 2.3 Update 2 and earlier, 3.0 before Patch Update 12, and 4.0 before Patch Update 2 causes a null pointer dereference (CWE-476) and subsequent denial of service due to process termination.

Action-Not Available
Vendor-Micro Focus International Limited
Product-enterprise_developerenterprise_serverMicro Focus Enterprise Developer, Micro Focus Enterprise Server
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-52546
Matching Score-4
Assigner-Rapid7, Inc.
ShareView Details
Matching Score-4
Assigner-Rapid7, Inc.
CVSS Score-5.3||MEDIUM
EPSS-0.31% / 54.00%
||
7 Day CHG~0.00%
Published-03 Dec, 2024 | 17:23
Updated-15 Apr, 2026 | 00:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Lorex 2K Indoor Wi-Fi Security Camera - Null pointer dereference

An unauthenticated attacker can perform a null pointer dereference in the DHIP Service (UDP port 37810). This vulnerability has been resolved in firmware version 2.800.0000000.8.R.20241111.

Action-Not Available
Vendor-Lorexlorextechnology
Product-2K Indoor Wi-Fi Security Cameraw461asc-e_firmware
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-12247
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.27% / 50.93%
||
7 Day CHG~0.00%
Published-12 Jun, 2018 | 14:00
Updated-16 Sep, 2024 | 20:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).

Action-Not Available
Vendor-mrubyn/a
Product-mrubyn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-20296
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-5.3||MEDIUM
EPSS-1.01% / 77.29%
||
7 Day CHG~0.00%
Published-01 Apr, 2021 | 00:00
Updated-03 Aug, 2024 | 17:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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.

Action-Not Available
Vendor-openexrn/aDebian GNU/Linux
Product-openexrdebian_linuxOpenEXR
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-23094
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.30% / 79.84%
||
7 Day CHG~0.00%
Published-15 Jan, 2022 | 01:37
Updated-03 Aug, 2024 | 03:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6.

Action-Not Available
Vendor-libreswann/aDebian GNU/LinuxFedora Project
Product-libreswandebian_linuxfedoran/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-12249
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.66% / 71.23%
||
7 Day CHG~0.00%
Published-12 Jun, 2018 | 14:00
Updated-05 Aug, 2024 | 08:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because "class BasicObject" is not properly supported in class.c.

Action-Not Available
Vendor-mrubyn/aDebian GNU/Linux
Product-debian_linuxmrubyn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2026-7701
Matching Score-4
Assigner-VulDB
ShareView Details
Matching Score-4
Assigner-VulDB
CVSS Score-5.3||MEDIUM
EPSS-0.04% / 10.82%
||
7 Day CHG~0.00%
Published-03 May, 2026 | 15:30
Updated-05 May, 2026 | 20:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Telegram Desktop Bot API url_auth_box.cpp RequestButton null pointer dereference

A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/url_auth_box.cpp of the component Bot API. The manipulation of the argument login_url leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Action-Not Available
Vendor-Telegram
Product-Desktop
CWE ID-CWE-404
Improper Resource Shutdown or Release
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-47586
Matching Score-4
Assigner-SAP SE
ShareView Details
Matching Score-4
Assigner-SAP SE
CVSS Score-5.3||MEDIUM
EPSS-0.48% / 65.37%
||
7 Day CHG~0.00%
Published-12 Nov, 2024 | 00:25
Updated-15 Apr, 2026 | 00:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
NULL Pointer Dereference vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Platform

SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated attacker to send a maliciously crafted http request which could cause a null pointer dereference in the kernel. This dereference will result in the system crashing and rebooting, causing the system to be temporarily unavailable. There is no impact on Confidentiality or Integrity.

Action-Not Available
Vendor-SAP SE
Product-SAP NetWeaver Application Server for ABAP and ABAP Platformnetweaver_abap_application_server
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-10945
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.65% / 71.03%
||
7 Day CHG~0.00%
Published-19 Jun, 2018 | 21:00
Updated-05 Aug, 2024 | 07:54
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The mg_handle_cgi function in mongoose.c in Mongoose 6.11 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash, or NULL pointer dereference) via an HTTP request, related to the mbuf_insert function.

Action-Not Available
Vendor-cesantan/a
Product-mongoosen/a
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-22510
Matching Score-4
Assigner-CERT@VDE
ShareView Details
Matching Score-4
Assigner-CERT@VDE
CVSS Score-7.5||HIGH
EPSS-0.44% / 63.40%
||
7 Day CHG~0.00%
Published-02 Feb, 2022 | 12:26
Updated-17 Sep, 2024 | 01:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
CODESYS: Null Pointer Dereference in CODESYS PROFINET stack

Codesys Profinet in version V4.2.0.0 is prone to null pointer dereference that allows a denial of service (DoS) attack of an unauthenticated user via SNMP.

Action-Not Available
Vendor-n/aCODESYS GmbH
Product-profinetn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-11359
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.19% / 78.97%
||
7 Day CHG~0.00%
Published-22 May, 2018 | 21:00
Updated-05 Aug, 2024 | 08:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the RRC dissector and other dissectors could crash. This was addressed in epan/proto.c by avoiding a NULL pointer dereference.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2006-2661
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-12.64% / 94.03%
||
7 Day CHG~0.00%
Published-30 May, 2006 | 19:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

ftutil.c in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a crafted font file that triggers a null dereference.

Action-Not Available
Vendor-freetypen/aCanonical Ltd.Debian GNU/Linux
Product-debian_linuxubuntu_linuxfreetypen/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-11356
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.18% / 78.91%
||
7 Day CHG~0.00%
Published-22 May, 2018 | 21:00
Updated-05 Aug, 2024 | 08:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-1341
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-0.47% / 64.66%
||
7 Day CHG~0.00%
Published-18 Apr, 2022 | 16:20
Updated-03 Aug, 2024 | 00:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in in bwm-ng v0.6.2. An arbitrary null write exists in get_cmdln_options() function in src/options.c.

Action-Not Available
Vendor-bwm-ng_projectn/a
Product-bwm-ngbwm-ng
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-22023
Matching Score-4
Assigner-HackerOne
ShareView Details
Matching Score-4
Assigner-HackerOne
CVSS Score-5.3||MEDIUM
EPSS-0.72% / 72.65%
||
7 Day CHG~0.00%
Published-04 Apr, 2024 | 19:45
Updated-03 Oct, 2024 | 22:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An XML entity expansion or XEE vulnerability in SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated attacker to send specially crafted XML requests in-order-to temporarily cause resource exhaustion thereby resulting in a limited-time DoS.

Action-Not Available
Vendor-Ivanti Software
Product-policy_secureconnect_securePolicy SecureConnect Securepolicy_secureconnect_secure
CWE ID-CWE-703
Improper Check or Handling of Exceptional Conditions
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-1620
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
ShareView Details
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
CVSS Score-6.6||MEDIUM
EPSS-0.48% / 65.12%
||
7 Day CHG+0.32%
Published-08 May, 2022 | 00:00
Updated-03 Aug, 2024 | 00:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in vim/vim

NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.

Action-Not Available
Vendor-Fedora ProjectVimApple Inc.
Product-fedoramacosvimvim/vim
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-20266
Matching Score-4
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-4
Assigner-Cisco Systems, Inc.
CVSS Score-5.3||MEDIUM
EPSS-0.18% / 39.05%
||
7 Day CHG~0.00%
Published-13 Mar, 2024 | 16:42
Updated-15 Apr, 2026 | 00:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability in the DHCP version 4 (DHCPv4) server feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd process, resulting in a denial of service (DoS) condition. This vulnerability exists because certain DHCPv4 messages are improperly validated when they are processed by an affected device. An attacker could exploit this vulnerability by sending a malformed DHCPv4 message to an affected device. A successful exploit could allow the attacker to cause a crash of the dhcpd process. While the dhcpd process is restarting, which may take approximately two minutes, DHCPv4 server services are unavailable on the affected device. This could temporarily prevent network access to clients that join the network during that time period and rely on the DHCPv4 server of the affected device. Notes: Only the dhcpd process crashes and eventually restarts automatically. The router does not reload. This vulnerability only applies to DHCPv4. DHCP version 6 (DHCPv6) is not affected.

Action-Not Available
Vendor-Cisco Systems, Inc.
Product-Cisco IOS XR Softwareios_xr_software
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-0240
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
ShareView Details
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
CVSS Score-6.2||MEDIUM
EPSS-0.29% / 52.07%
||
7 Day CHG~0.00%
Published-17 Jan, 2022 | 13:35
Updated-02 Aug, 2024 | 23:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
NULL Pointer Dereference in mruby/mruby

mruby is vulnerable to NULL Pointer Dereference

Action-Not Available
Vendor-mrubymruby
Product-mrubymruby/mruby
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-45266
Matching Score-4
Assigner-MITRE Corporation
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Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.28% / 51.45%
||
7 Day CHG~0.00%
Published-22 Dec, 2021 | 17:53
Updated-04 Aug, 2024 | 04:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A null pointer dereference vulnerability exists in gpac 1.1.0 via the lsr_read_anim_values_ex function, which causes a segmentation fault and application crash.

Action-Not Available
Vendor-n/aGPAC
Product-gpacn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-1999-0052
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.07% / 77.86%
||
7 Day CHG~0.00%
Published-29 Sep, 1999 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash.

Action-Not Available
Vendor-bsdin/absdiOpenBSDFreeBSD Foundation
Product-freebsdbsd_osopenbsdn/aopenbsdfreebsdbsd_os
CWE ID-CWE-476
NULL Pointer Dereference
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