NULL Pointer Dereference

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

CVEs (5,438)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2021-1095 2Debian Nvidia 2Debian Linux Gpu Display Driver Jun 17, 2026 Jul 22, 2021 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handlers for all control calls with embedded parameters where dereferencing an untrusted pointer may lead t...Show more NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handlers for all control calls with embedded parameters where dereferencing an untrusted pointer may lead to denial of service.Show less
CVE-2020-19488 1Gpac 1Gpac Jun 17, 2026 Jul 21, 2021 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 An issue was discovered in box_code_apple.c:119 in Gpac MP4Box 0.8.0, allows attackers to cause a Denial of Service due to an invalid read on function ilst_item_Read.
CVE-2020-19470 1Flowpaper 1Pdf2json Jun 17, 2026 Jul 21, 2021 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 An issue has been found in function DCTStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a NULL pointer dereference (invalid read of size 1) .
CVE-2020-19468 1Flowpaper 1Pdf2json Jun 17, 2026 Jul 21, 2021 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 An issue has been found in function EmbedStream::getChar in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to a null pointer derefenrece (invalid read of size 8) .
CVE-2021-1103 1Nvidia 1Virtual Gpu Jun 17, 2026 Jul 21, 2021 N/A· v4 4.4 MEDIUM· v3 2.1 LOW· v2 NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where it can dereference a NULL pointer, which may lead to denial of service. This affects vGPU version 12.x (prior to 12.3), versio...Show more NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where it can dereference a NULL pointer, which may lead to denial of service. This affects vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).Show less
CVE-2021-1101 1Nvidia 1Virtual Gpu Jun 17, 2026 Jul 21, 2021 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where it can dereference a NULL pointer, which may lead to denial of service. This affects vGPU version 12.x (prior to 12.3), versio...Show more NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where it can dereference a NULL pointer, which may lead to denial of service. This affects vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).Show less
CVE-2020-20231 1Mikrotik 1Routeros Jun 17, 2026 Jul 14, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
CVE-2021-22318 1Huawei 1Harmonyos Jun 17, 2026 Jul 14, 2021 N/A· v4 5.5 MEDIUM· v3 4.9 MEDIUM· v2 A component of the HarmonyOS 2.0 has a Null Pointer Dereference Vulnerability. Local attackers may exploit this vulnerability to cause system denial of service.
CVE-2020-19722 1Axiosys 1Bento4 Jun 17, 2026 Jul 13, 2021 N/A· v4 6.5 MEDIUM· v3 4.3 MEDIUM· v2 An unhandled memory allocation failure in Core/Ap4Atom.cpp of Bento 1.5.1-628 causes a direct copy to NULL pointer dereference, leading to a denial of service (DOS).
CVE-2020-19720 1Axiosys 1Bento4 Jun 17, 2026 Jul 13, 2021 N/A· v4 6.5 MEDIUM· v3 4.3 MEDIUM· v2 An unhandled memory allocation failure in Core/AP4IkmsAtom.cpp of Bento 1.5.1-628 causes a NULL pointer dereference, leading to a denial of service (DOS).
CVE-2020-19718 1Axiosys 1Bento4 Jun 17, 2026 Jul 13, 2021 N/A· v4 6.5 MEDIUM· v3 4.3 MEDIUM· v2 An unhandled memory allocation failure in Core/Ap4Atom.cpp of Bento 1.5.1-628 causes a NULL pointer dereference, leading to a denial of service (DOS).
CVE-2020-19717 1Axiosys 1Bento4 Jun 17, 2026 Jul 13, 2021 N/A· v4 6.5 MEDIUM· v3 4.3 MEDIUM· v2 An unhandled memory allocation failure in Core/Ap48bdlAtom.cpp of Bento 1.5.1-628 causes a NULL pointer dereference, leading to a denial of service (DOS).
CVE-2020-20252 1Mikrotik 1Routeros Jun 17, 2026 Jul 13, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
CVE-2020-20250 1Mikrotik 1Routeros Jun 17, 2026 Jul 13, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). NOT...Show more Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.Show less
CVE-2021-33715 1Siemens 1Jt Utilities Jun 17, 2026 Jul 13, 2021 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 A vulnerability has been identified in JT Utilities (All versions < V13.0.2.0). When parsing specially crafted JT files, a race condition could cause an object to be released before being operated on, leading to NULL poi...Show more A vulnerability has been identified in JT Utilities (All versions < V13.0.2.0). When parsing specially crafted JT files, a race condition could cause an object to be released before being operated on, leading to NULL pointer deference condition and causing the application to crash. An attacker could leverage this vulnerability to cause a Denial-of-Service condition in the application.Show less
CVE-2021-33714 1Siemens 1Jt Utilities Jun 17, 2026 Jul 13, 2021 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 A vulnerability has been identified in JT Utilities (All versions < V13.0.2.0). When parsing specially crafted JT files, a missing check for the validity of an iterator leads to NULL pointer deference condition, causing...Show more A vulnerability has been identified in JT Utilities (All versions < V13.0.2.0). When parsing specially crafted JT files, a missing check for the validity of an iterator leads to NULL pointer deference condition, causing the application to crash. An attacker could leverage this vulnerability to cause a Denial-of-Service condition in the application.Show less
CVE-2020-20216 1Mikrotik 1Routeros Jun 17, 2026 Jul 7, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/graphing process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
CVE-2020-20212 1Mikrotik 1Routeros Jun 17, 2026 Jul 7, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 Mikrotik RouterOs 6.44.5 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/console process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
CVE-2021-36147 1Linux 1Acrn Jun 17, 2026 Jul 2, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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.
CVE-2021-36146 1Linux 1Acrn Jun 17, 2026 Jul 2, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer.

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