CWE-476
5,862 CVEs • Abstraction: Base • Likelihood of Exploit: Medium
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
CVEs (5,862)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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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). |
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). |
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. |
ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer. |
ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference. |
It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of service of the ftpd service. |
In RenderStruct of protostream_objectsource.cc, there is a possible crash due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not n...Show more |
1F Secure 4Cloud Protection For Salesforce Elements For Microsoft 365Endpoint Protection+1 moreJun 17, 2026 Jun 21, 2021 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the FSAVD component used in certain F-Secure products can crash while scanning larger packages/fuzzed files. The exploit can be tr...Show more |
4Apache DebianFedoraproject+1 more6Debian Linux Enterprise Manager Ops CenterFedora+3 moreJun 17, 2026 Jun 15, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of these restri...Show more |
2Debian Long Range Zip Project2Debian Linux Long Range ZipJun 17, 2026 Jun 10, 2021 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers to cause a denial of service (DOS) via a crafted compressed file. |
2Debian Long Range Zip Project2Debian Linux Long Range ZipJun 17, 2026 Jun 10, 2021 N/A· v4 5.5 MEDIUM· v3 4.3 MEDIUM· v2 A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to cause a denial of service (DOS) via a crafted compressed file. |
2Fedoraproject Trusteddomain2Fedora OpendmarcJun 17, 2026 Jun 10, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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. |
4Apache DebianFedoraproject+1 more6Debian Linux Enterprise Manager Ops CenterFedora+3 moreJun 17, 2026 Jun 10, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service |
4Apache DebianFedoraproject+1 more6Debian Linux Enterprise Manager Ops CenterFedora+3 moreJun 17, 2026 Jun 10, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of...Show more |
SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73, allows an...Show more |
SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73, allows an...Show more |
SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73, allows an...Show more |
SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher), versions - KRNL32NUC - 7.22,7.22EXT, KRNL32UC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,...Show more |
Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access. |
4Debian FedoraprojectQemu+1 more5Debian Linux Enterprise LinuxFedora+2 moreJun 17, 2026 Jun 2, 2021 N/A· v4 6.5 MEDIUM· v3 2.1 LOW· v2 The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header 'ad->cur_cmd' is null. |