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Vulnerability Details :

CVE-2025-62785

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-29 Oct, 2025 | 15:37
Updated At-29 Oct, 2025 | 16:10
Rejected At-
Credits

Wazuh fillData NULL pointer dereference causes analysisd crash

Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.10.2.

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:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:29 Oct, 2025 | 15:37
Updated At:29 Oct, 2025 | 16:10
Rejected At:
▼CVE Numbering Authority (CNA)
Wazuh fillData NULL pointer dereference causes analysisd crash

Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.10.2.

Affected Products
Vendor
Wazuh, Inc.wazuh
Product
wazuh
Versions
Affected
  • < 4.10.2
Problem Types
TypeCWE IDDescription
CWECWE-252CWE-252: Unchecked Return Value
CWECWE-476CWE-476: NULL Pointer Dereference
Type: CWE
CWE ID: CWE-252
Description: CWE-252: Unchecked Return Value
Type: CWE
CWE ID: CWE-476
Description: CWE-476: NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/wazuh/wazuh/security/advisories/GHSA-mqpq-pcxc-8259
x_refsource_CONFIRM
https://github.com/wazuh/wazuh/commit/17f8dc23a6211cbb398a262fcd1b0fe61b0a8eb6
x_refsource_MISC
Hyperlink: https://github.com/wazuh/wazuh/security/advisories/GHSA-mqpq-pcxc-8259
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/wazuh/wazuh/commit/17f8dc23a6211cbb398a262fcd1b0fe61b0a8eb6
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:29 Oct, 2025 | 16:15
Updated At:03 Nov, 2025 | 19:32

Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.10.2.

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
Secondary4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches

Wazuh, Inc.
wazuh
>>wazuh>>Versions before 4.10.2(exclusive)
cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-252Primarysecurity-advisories@github.com
CWE-476Primarysecurity-advisories@github.com
CWE ID: CWE-252
Type: Primary
Source: security-advisories@github.com
CWE ID: CWE-476
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/wazuh/wazuh/commit/17f8dc23a6211cbb398a262fcd1b0fe61b0a8eb6security-advisories@github.com
Patch
https://github.com/wazuh/wazuh/security/advisories/GHSA-mqpq-pcxc-8259security-advisories@github.com
Exploit
Vendor Advisory
Hyperlink: https://github.com/wazuh/wazuh/commit/17f8dc23a6211cbb398a262fcd1b0fe61b0a8eb6
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/wazuh/wazuh/security/advisories/GHSA-mqpq-pcxc-8259
Source: security-advisories@github.com
Resource:
Exploit
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-4
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CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-63647
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.05% / 16.80%
||
7 Day CHG~0.00%
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Updated-30 Jan, 2026 | 20:24
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 in the parse_meta function (src/httpd_daap.c) of owntone-server commit 334beb allows attackers to cause a Denial of Service (DoS) via sending a crafted DAAP request to the server.

Action-Not Available
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Product-owntonen/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-64335
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.07% / 21.97%
||
7 Day CHG~0.00%
Published-26 Nov, 2025 | 22:39
Updated-12 Dec, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Suricata is vulnerable to a null deref when used with base64_data

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.

Action-Not Available
Vendor-oisfOISF
Product-suricatasuricata
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-63929
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.07% / 21.75%
||
7 Day CHG~0.00%
Published-12 Nov, 2025 | 00:00
Updated-14 Jan, 2026 | 19:33
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 airpig2011 IEC104 thru Commit be6d841 (2019-07-08). When multiple threads enqueue elements concurrently via IEC10X_PrioEnQueue, the function may dereference a null or freed queue pointer, resulting in a segmentation fault and potential denial-of-service.

Action-Not Available
Vendor-airpig2011n/a
Product-iec104n/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-37083
Matching Score-4
Assigner-Huawei Technologies
ShareView Details
Matching Score-4
Assigner-Huawei Technologies
CVSS Score-7.5||HIGH
EPSS-0.18% / 39.86%
||
7 Day CHG~0.00%
Published-07 Dec, 2021 | 16:04
Updated-04 Aug, 2024 | 01:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

There is a NULL Pointer Dereference vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Denial of Service Attacks.

Action-Not Available
Vendor-Huawei Technologies Co., Ltd.
Product-harmonyosHarmonyOS
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-3673
Matching Score-4
Assigner-Fedora Project
ShareView Details
Matching Score-4
Assigner-Fedora Project
CVSS Score-7.5||HIGH
EPSS-0.64% / 70.30%
||
7 Day CHG~0.00%
Published-02 Aug, 2021 | 18:09
Updated-03 Aug, 2024 | 17:01
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability was found in Radare2 in version 5.3.1. Improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS.

Action-Not Available
Vendor-n/aFedora ProjectRadare2 (r2)
Product-fedoraradare2radare2
CWE ID-CWE-20
Improper Input Validation
CWE ID-CWE-252
Unchecked Return Value
CVE-2021-36143
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.44% / 62.68%
||
7 Day CHG~0.00%
Published-02 Jul, 2021 | 21:25
Updated-04 Aug, 2024 | 00:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference.

Action-Not Available
Vendor-n/aLinux Kernel Organization, Inc
Product-acrnn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-63648
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.05% / 15.50%
||
7 Day CHG~0.00%
Published-20 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 21:04
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 in the dacp_reply_playqueueedit_move function (src/httpd_dacp.c) of owntone-server commit b7e385f allows attackers to cause a Denial of Service (DoS) via sending a crafted DACP request to the server.

Action-Not Available
Vendor-owntonen/a
Product-owntone_servern/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-64086
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.06% / 18.45%
||
7 Day CHG~0.00%
Published-09 Dec, 2025 | 00:00
Updated-11 Dec, 2025 | 15:15
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 in the util.readFileIntoStream component of PDF-XChange Editor v10.7.3.401 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Action-Not Available
Vendor-n/aPDF-XChange Co Ltd.
Product-pdf-xchange_editorn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-36146
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.24% / 46.07%
||
7 Day CHG~0.00%
Published-02 Jul, 2021 | 21:24
Updated-04 Aug, 2024 | 00:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer.

Action-Not Available
Vendor-n/aLinux Kernel Organization, Inc
Product-acrnn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2010-3048
Matching Score-4
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-4
Assigner-Cisco Systems, Inc.
CVSS Score-7.5||HIGH
EPSS-0.66% / 70.63%
||
7 Day CHG~0.00%
Published-16 Jan, 2020 | 17:15
Updated-15 Nov, 2024 | 17:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco Unified Personal Communicator 7.0 (1.13056) does not free allocated memory for received data and does not perform validation if memory allocation is successful, causing a remote denial of service condition.

Action-Not Available
Vendor-Cisco Systems, Inc.
Product-unified_personal_communicatorUnified Personal Communicator
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2010-2488
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-1.31% / 79.53%
||
7 Day CHG~0.00%
Published-12 Nov, 2019 | 19:48
Updated-07 Aug, 2024 | 02:32
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 ZNC before 0.092 caused by traffic stats when there are unauthenticated connections.

Action-Not Available
Vendor-zncznc
Product-zncznc
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-35076
Matching Score-4
Assigner-Qualcomm, Inc.
ShareView Details
Matching Score-4
Assigner-Qualcomm, Inc.
CVSS Score-7.5||HIGH
EPSS-0.25% / 47.62%
||
7 Day CHG~0.00%
Published-14 Jun, 2022 | 09:50
Updated-04 Aug, 2024 | 00:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Possible null pointer dereference due to improper validation of RRC connection reconfiguration message in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Action-Not Available
Vendor-Qualcomm Technologies, Inc.
Product-wcn3991_firmwarewcn3991wsa8830qca8337_firmwarewcd9380_firmwaresd780gqca8337sd865_5gqca6431_firmwaresdx55m_firmwarewcn6856_firmwarewcd9360_firmwaresd888sdx65wsa8835wcd9380sd765g_firmwaresd888_5gqca6595au_firmwareqca6390_firmwaresd690_5gwcd9370qca6574asd690_5g_firmwarewcn6855_firmwaresm7325pqca6426wcn6750wcn3998wcd9385_firmwaresdxr2_5g_firmwaresa515msd_8_gen1_5g_firmwaresd855wsa8815sm7325p_firmwarewcn6850sd765qca6426_firmwaresm7315_firmwareqca6574a_firmwaresd695qca6574au_firmwaresdx55_firmwaresd768g_firmwareqca6595auqca8081_firmwarewcd9375_firmwarewcn3998_firmwaresm7250p_firmwaresm7315qca6391wcd9360qca6436_firmwaresdx55mqca6421_firmwarewcn6740_firmwaresd778gsdx65_firmwaresa515m_firmwareqcs6490qcm6490_firmwaresdxr2_5gsd480_firmwarewcn6851_firmwarewcn3988_firmwareqca6574auqca6421sd778g_firmwarewsa8810_firmwaresd765gwcd9341_firmwaresd480sd765_firmwaresd870qca6436wcn6851wsa8810wcn6855qca8081wcn6856wcd9385wcd9341sd695_firmwaresd768gqca6431qca6696_firmwareqcs6490_firmwaresd750gsd870_firmwarewcn6740qca6696qca6391_firmwareqca6390ar8035sd750g_firmwarewcd9375sd780g_firmwarewcd9370_firmwaresdx55sd888_firmwarewsa8830_firmwaresd855_firmwaresd865_5g_firmwareqcm6490sd888_5g_firmwarewcn3988wcn6850_firmwarewsa8815_firmwarewsa8835_firmwaresm7250psm8475wcn6750_firmwarear8035_firmwareSnapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-36222
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-8.01% / 91.94%
||
7 Day CHG~0.00%
Published-22 Jul, 2021 | 17:28
Updated-04 Aug, 2024 | 00:54
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

Action-Not Available
Vendor-n/aOracle CorporationDebian GNU/LinuxMIT (Massachusetts Institute of Technology)NetApp, Inc.
Product-debian_linuxoncommand_insightactive_iq_unified_manageroncommand_workflow_automationkerberos_5snapcentermysql_servern/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-63655
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.58% / 68.65%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 20:34
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 in the mk_http_range_parse function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-34088
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.06% / 19.19%
||
7 Day CHG~0.00%
Published-30 Apr, 2024 | 00:00
Updated-01 May, 2025 | 14:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In FRRouting (FRR) through 9.1, it is possible for the get_edge() function in ospf_te.c in the OSPF daemon to return a NULL pointer. In cases where calling functions do not handle the returned NULL value, the OSPF daemon crashes, leading to denial of service.

Action-Not Available
Vendor-frroutingn/afrrouting
Product-frroutingn/afrrouting
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-36147
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.43% / 62.44%
||
7 Day CHG~0.00%
Published-02 Jul, 2021 | 21:24
Updated-04 Aug, 2024 | 00:47
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 ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq->used.

Action-Not Available
Vendor-n/aLinux Kernel Organization, Inc
Product-acrnn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2010-2222
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-0.44% / 62.59%
||
7 Day CHG~0.00%
Published-05 Nov, 2019 | 19:27
Updated-07 Aug, 2024 | 02:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The _ger_parse_control function in Red Hat Directory Server 8 and the 389 Directory Server allows attackers to cause a denial of service (NULL pointer dereference) via a crafted search query.

Action-Not Available
Vendor-Red Hat, Inc.
Product-389_directory_serverdirectory_serverRed Hat Directory Server
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2004-0119
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-23.16% / 95.82%
||
7 Day CHG~0.00%
Published-16 Apr, 2004 | 04:00
Updated-03 Apr, 2025 | 01:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Negotiate Security Software Provider (SSP) interface in Windows 2000, Windows XP, and Windows Server 2003, allows remote attackers to cause a denial of service (crash from null dereference) or execute arbitrary code via a crafted SPNEGO NegTokenInit request during authentication protocol selection.

Action-Not Available
Vendor-n/aMicrosoft Corporation
Product-windows_server_2003windows_xpwindows_2000n/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-64085
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.06% / 18.45%
||
7 Day CHG~0.00%
Published-09 Dec, 2025 | 00:00
Updated-10 Dec, 2025 | 22:16
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 in the importDataObject() function of PDF-XChange Editor v10.7.3.401 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Action-Not Available
Vendor-n/aPDF-XChange Co Ltd.
Product-pdf-xchange_editorn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2004-0365
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-30.86% / 96.62%
||
7 Day CHG~0.00%
Published-25 Mar, 2004 | 05:00
Updated-03 Apr, 2025 | 01:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The dissect_attribute_value_pairs function in packet-radius.c for Ethereal 0.8.13 to 0.10.2 allows remote attackers to cause a denial of service (crash) via a malformed RADIUS packet that triggers a null dereference.

Action-Not Available
Vendor-etherealn/a
Product-etherealn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-3480
Matching Score-4
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-4
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-2.58% / 85.31%
||
7 Day CHG~0.00%
Published-20 May, 2021 | 12:14
Updated-03 Aug, 2024 | 16:53
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 slapi-nis in versions before 0.56.7. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash the 389-ds-base directory server. The highest threat from this vulnerability is to system availability.

Action-Not Available
Vendor-slapi-nis_projectn/aFedora Project
Product-fedoraslapi-nisslapi-nis
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-62848
Matching Score-4
Assigner-QNAP Systems, Inc.
ShareView Details
Matching Score-4
Assigner-QNAP Systems, Inc.
CVSS Score-8.1||HIGH
EPSS-0.16% / 36.74%
||
7 Day CHG+0.01%
Published-16 Dec, 2025 | 02:25
Updated-17 Dec, 2025 | 13:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
QTS, QuTS hero

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later

Action-Not Available
Vendor-QNAP Systems, Inc.
Product-qtsquts_heroQTSQuTS hero
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2003-1000
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.11% / 77.88%
||
7 Day CHG~0.00%
Published-17 Dec, 2003 | 05:00
Updated-03 Apr, 2025 | 01:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive DCC request with an invalid ID number, which causes a null dereference.

Action-Not Available
Vendor-xchatn/a
Product-xchatn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-34585
Matching Score-4
Assigner-CERT@VDE
ShareView Details
Matching Score-4
Assigner-CERT@VDE
CVSS Score-7.5||HIGH
EPSS-0.47% / 64.09%
||
7 Day CHG~0.00%
Published-26 Oct, 2021 | 09:55
Updated-15 Aug, 2025 | 20:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
CODESYS V2 web server: crafted requests could trigger a pointer dereference with an invalid address (DoS)

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.

Action-Not Available
Vendor-wagoCODESYS GmbH
Product-750-8202750-831750-832_firmware750-8211750-893750-8202_firmware750-8216750-831_firmware750-8214750-881750-885_firmware750-829750-880750-8210_firmware750-823750-8203_firmware750-8213_firmware750-8214_firmware750-823_firmware750-881_firmware750-8212_firmware750-862750-8211_firmware750-8217_firmware750-882_firmware750-8207_firmware750-8203750-889_firmware750-891750-8212750-890_firmware750-8206_firmware750-8208_firmwarecodesys750-832750-882750-852750-890750-8206750-8207750-8208750-889750-862_firmware750-893_firmware750-8204_firmware750-885750-8204750-8210750-8213750-8216_firmware750-852_firmware750-8217750-880_firmware750-829_firmware750-891_firmwareCODESYS V2
CWE ID-CWE-252
Unchecked Return Value
CVE-2023-48416
Matching Score-4
Assigner-Google Devices
ShareView Details
Matching Score-4
Assigner-Google Devices
CVSS Score-7.5||HIGH
EPSS-1.08% / 77.57%
||
7 Day CHG~0.00%
Published-08 Dec, 2023 | 15:45
Updated-02 Aug, 2024 | 21:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In multiple locations, there is a possible null dereference due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Action-Not Available
Vendor-Google LLC
Product-androidAndroid
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2017-9217
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.50% / 80.86%
||
7 Day CHG~0.00%
Published-24 May, 2017 | 04:56
Updated-20 Apr, 2025 | 01:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.

Action-Not Available
Vendor-systemd_projectn/a
Product-systemdn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-61935
Matching Score-4
Assigner-F5, Inc.
ShareView Details
Matching Score-4
Assigner-F5, Inc.
CVSS Score-8.7||HIGH
EPSS-0.13% / 32.77%
||
7 Day CHG~0.00%
Published-15 Oct, 2025 | 15:19
Updated-26 Feb, 2026 | 16:57
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
BIG-IP Advanced WAF and ASM vulnerability

When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd 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_application_security_managerbig-ip_advanced_web_application_firewallBIG-IP
CWE ID-CWE-252
Unchecked Return Value
CVE-2025-61960
Matching Score-4
Assigner-F5, Inc.
ShareView Details
Matching Score-4
Assigner-F5, Inc.
CVSS Score-8.7||HIGH
EPSS-0.15% / 36.03%
||
7 Day CHG~0.00%
Published-15 Oct, 2025 | 13:55
Updated-26 Feb, 2026 | 16:57
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
BIG-IP APM portal access vulnerability

When a per-request policy is configured on a BIG-IP APM portal access virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) 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_access_policy_managerBIG-IP
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-34798
Matching Score-4
Assigner-Apache Software Foundation
ShareView Details
Matching Score-4
Assigner-Apache Software Foundation
CVSS Score-7.5||HIGH
EPSS-9.88% / 92.85%
||
7 Day CHG~0.00%
Published-16 Sep, 2021 | 14:40
Updated-04 Aug, 2024 | 00:26
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 httpd core

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.

Action-Not Available
Vendor-NetApp, Inc.Debian GNU/LinuxThe Apache Software FoundationOracle CorporationTenable, Inc.Broadcom Inc.Siemens AGFedora Project
Product-peoplesoft_enterprise_peopletoolscommunications_cloud_native_core_network_function_cloud_native_environmentcloud_backuptenable.scstoragegridsinema_serverruggedcom_nmshttp_serverclustered_data_ontapdebian_linuxsinec_nmssinema_remote_connect_serverinstantis_enterprisetrackfedorazfs_storage_appliance_kitenterprise_manager_base_platformbrocade_fabric_operating_system_firmwareApache HTTP Server
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2021-34555
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.38% / 58.93%
||
7 Day CHG~0.00%
Published-10 Jun, 2021 | 14:56
Updated-04 Aug, 2024 | 00:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.

Action-Not Available
Vendor-trusteddomainn/aFedora Project
Product-fedoraopendmarcn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-62409
Matching Score-4
Assigner-GitHub, Inc.
ShareView Details
Matching Score-4
Assigner-GitHub, Inc.
CVSS Score-6.6||MEDIUM
EPSS-0.01% / 2.76%
||
7 Day CHG~0.00%
Published-16 Oct, 2025 | 17:47
Updated-29 Oct, 2025 | 19:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Envoy allows large requests and responses to cause TCP connection pool crash

Envoy is a cloud-native, open source edge and service proxy. Prior to 1.36.1, 1.35.5, 1.34.9, and 1.33.10, large requests and responses can potentially trigger TCP connection pool crashes due to flow control management in Envoy. It will happen when the connection is closing but upstream data is still coming, resulting in a buffer watermark callback nullptr reference. The vulnerability impacts TCP proxy and HTTP 1 & 2 mixed use cases based on ALPN. This vulnerability is fixed in 1.36.1, 1.35.5, 1.34.9, and 1.33.10.

Action-Not Available
Vendor-envoyproxyenvoyproxy
Product-envoyenvoy
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-61103
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.18% / 40.12%
||
7 Day CHG+0.10%
Published-28 Oct, 2025 | 00:00
Updated-31 Oct, 2025 | 18:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

Action-Not Available
Vendor-frroutingn/a
Product-frroutingn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-60335
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.66% / 85.53%
||
7 Day CHG~0.00%
Published-22 Oct, 2025 | 00:00
Updated-24 Oct, 2025 | 13:18
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 in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Action-Not Available
Vendor-n/aTOTOLINK
Product-n600r_firmwaren600rn/a
CWE ID-CWE-476
NULL Pointer Dereference
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