CWE-476— NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.— MITRE CWE catalog
5,496 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-476page 99 of 110
- CVE-2026-15171MEDIUMCVSS 5.5EG 5.52026-07-08
SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
- CVE-2026-15184LOWCVSS 3.3EG 3.32026-07-09
A vulnerability was found in GNU LibreDWG up to 0.13.4. The impacted element is the function dwg_next_entity of the file src/dwg.c of the component DWG File Handler. Performing a manipulation of the argument next_obj results in null pointe…
- CVE-2026-15352HIGHCVSS 7.5EG 7.52026-07-16
A vulnerability exists in the Health & Safety (HS) application of NASA's Core Flight System (cFS). The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial …
- CVE-2026-15690LOWCVSS 3.1EG 3.12026-07-14
A vulnerability was identified in open62541 up to 1.5.5. Affected by this issue is the function responseReadNamespacesArray of the file src/client/ua_client_connect.c of the component Shared Client Library. Such manipulation of the argumen…
- CVE-2026-1584HIGHCVSS 7.5EG 7.52026-04-09
A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value during the TLS handshake. This can lead to a…
- CVE-2026-16353CRITICALCVSS 9.8EG 9.82026-07-21
Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
- CVE-2026-1682MEDIUMCVSS 7.5EG 5.32026-01-30
A flaw has been found in Free5GC SMF up to 4.1.0. Affected is the function HandlePfcpAssociationReleaseRequest of the file internal/pfcp/handler/handler.go of the component PFCP UDP Endpoint. Executing a manipulation can lead to null point…
- CVE-2026-1739MEDIUMCVSS 7.5EG 5.32026-02-02
A vulnerability has been found in Free5GC pcf up to 1.4.1. This affects the function HandleCreateSmPolicyRequest of the file internal/sbi/processor/smpolicy.go. The manipulation leads to null pointer dereference. The attack is possible to …
- CVE-2026-17500MEDIUMCVSS 5.3EG 5.32026-07-27
A vulnerability was detected in ggml-org llama.cpp d006858/e15efe0. This affects the function _visit_pattern of the file common/json-schema-to-grammar.cpp. The manipulation results in null pointer dereference. The attack can be launched re…
- CVE-2026-17574MEDIUMCVSS 5.2EG 5.22026-07-27
HDF5 contains a NULL pointer dereference vulnerability. Processing a crafted HDF5 file containing an attribute with an invalid variable-length datatype type field may cause the application to crash when the attribute is read.
- CVE-2026-18064HIGHCVSS 7.5EG 7.52026-07-30
An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected comman…
- CVE-2026-1973MEDIUMCVSS 7.5EG 5.32026-02-06
A vulnerability was determined in Free5GC up to 4.1.0. The impacted element is the function establishPfcpSession of the component SMF. Executing a manipulation can lead to null pointer dereference. The attack may be launched remotely. The …
- CVE-2026-1975MEDIUMCVSS 7.5EG 5.32026-02-06
A security flaw has been discovered in Free5GC up to 4.1.0. This impacts the function identityTriggerType of the file pfcp_reports.go. The manipulation results in null pointer dereference. The attack can be executed remotely. The exploit h…
- CVE-2026-1976MEDIUMCVSS 7.5EG 5.32026-02-06
A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit…
- CVE-2026-1990LOWCVSS 3.3EG 3.32026-02-06
A security vulnerability has been detected in oatpp up to 1.3.1. This impacts the function oatpp::data::type::ObjectWrapper::ObjectWrapper of the file src/oatpp/data/type/Type.hpp. The manipulation leads to null pointer dereference. Local …
- CVE-2026-1991LOWCVSS 5.5EG 3.32026-02-06
A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be …
- CVE-2026-20064MEDIUMCVSS 6.5EG 6.52026-03-04
A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition. This vulnerability is due to…
- CVE-2026-20457MEDIUMCVSS 5.3EG 5.32026-07-01
In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges nee…
- CVE-2026-2062MEDIUMCVSS 7.5EG 5.32026-02-06
A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_modify_bearer_response/sgwc_sxa_handle_session_modification_response of the component PGW S5U Address Handler. The manipulation leads to null …
- CVE-2026-20771MEDIUMCVSS 6.1EG 6.12026-05-12
Null pointer dereference for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low …
- CVE-2026-20875HIGHCVSS 7.5EG 7.52026-01-13
Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
- CVE-2026-20914MEDIUMCVSS 5.5EG 5.52026-05-12
Null pointer dereference for some Intel(R) QAT software drivers for Windows before version 2.6.0 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low…
- CVE-2026-21243HIGHCVSS 7.5EG 7.52026-02-10
Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.
- CVE-2026-21288MEDIUMCVSS 5.5EG 5.52026-01-13
Illustrator versions 29.8.3, 30.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disrupt…
- CVE-2026-21300MEDIUMCVSS 5.5EG 5.52026-01-13
Substance3D - Modeler versions 1.22.4 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a …
- CVE-2026-21301MEDIUMCVSS 5.5EG 5.52026-01-13
Substance3D - Modeler versions 1.22.4 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a …
- CVE-2026-21336MEDIUMCVSS 5.5EG 5.52026-02-10
Substance3D - Designer versions 15.1.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing di…
- CVE-2026-21338MEDIUMCVSS 5.5EG 5.52026-02-10
Substance3D - Designer versions 15.1.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing di…
- CVE-2026-21350MEDIUMCVSS 5.5EG 5.52026-02-10
After Effects versions 25.6 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to…
- CVE-2026-21363MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-21364MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-21485HIGHCVSS 8.8EG 8.82026-01-06
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are prone to have Undefined Behavior (UB) and Out of Memory errors. This issue is fixed in version 2.3.1.2.
- CVE-2026-21492MEDIUMCVSS 5.5EG 5.52026-01-06
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a NULL pointer member call vulnera…
- CVE-2026-21496MEDIUMCVSS 5.5EG 5.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the signature parse…
- CVE-2026-21497MEDIUMCVSS 5.5EG 5.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via an unknown tag pars…
- CVE-2026-21498MEDIUMCVSS 5.5EG 5.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the XML calculator …
- CVE-2026-21499MEDIUMCVSS 5.5EG 5.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the XML parser. Thi…
- CVE-2026-21502MEDIUMCVSS 5.5EG 5.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to NULL pointer dereference via the XML tag parser.…
- CVE-2026-21503MEDIUMCVSS 5.5EG 6.12026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV has undefined behavior due to a null pointer passed to memcpy() i…
- CVE-2026-21506MEDIUMCVSS 5.5EG 5.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of ICC color management profiles. Prior to version 2.3.1.2, iccDEV is vulnerable to Null pointer dereference in CIccProfileXml::Pars…
- CVE-2026-21525CRITICALCVSS 6.2EG 9.0⚠ KEV2026-02-10
Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.
- CVE-2026-21680MEDIUMCVSS 7.5EG 6.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a NULL pointer dereference vulnera…
- CVE-2026-21688HIGHCVSS 8.8EG 8.82026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a Type Confusion vulnerability in …
- CVE-2026-21689MEDIUMCVSS 6.5EG 6.52026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a Type Confusion vulnerability in …
- CVE-2026-21691MEDIUMCVSS 6.5EG 5.42026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a Type Confusion vulnerability in …
- CVE-2026-21901MEDIUMCVSS 4.4EG 4.42026-07-09
A NULL Pointer Dereference vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a …
- CVE-2026-22693MEDIUMCVSS 5.3EG 5.32026-01-10
HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hb_malloc returns …
- CVE-2026-22722MEDIUMCVSS 6.1EG 6.12026-02-26
A malicious actor with authenticated user privileges on a Windows based Workstation host may be able to cause a null pointer dereference error. To Remediate CVE-2026-22722, apply the patches listed in the "Fixed version" column of the 'Res…
- CVE-2026-22899MEDIUMCVSS 6.5EG 6.52026-06-10
A NULL pointer dereference vulnerability has been reported to affect File Station 6. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the …
- CVE-2026-22976MEDIUMCVSS 5.5EG 5.52026-01-21
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset `qfq_class->leaf_qdisc->q.qlen > 0` does not imply that the class itself is active. …
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