NULL Pointer Dereference

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

CVEs (5,447)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2022-47929 2Debian Linux 2Debian Linux Linux Kernel Jun 17, 2026 Jan 17, 2023 N/A· v4 5.5 MEDIUM· v3 N/A· v2 In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that...Show more In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. This affects qdisc_graft in net/sched/sch_api.c.Show less
CVE-2022-4121 1Libetpan Project 1Libetpan Jun 17, 2026 Jan 17, 2023 N/A· v4 5.5 MEDIUM· v3 N/A· v2 In libetpan a null pointer dereference in mailimap_mailbox_data_status_free in low-level/imap/mailimap_types.c was found that could lead to a remote denial of service or other potential consequences.
CVE-2022-41860 1Freeradius 1Freeradius Jun 17, 2026 Jan 17, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that failure. Ins...Show more In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that failure. Instead, it will dereference a NULL pointer, and cause the server to crash.Show less
CVE-2022-41858 2Linux Netapp 2Hci Baseboard Management Controller Linux Kernel Jun 17, 2026 Jan 17, 2023 N/A· v4 7.1 HIGH· v3 N/A· v2 A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system...Show more A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.Show less
CVE-2022-4842 1Linux 1Linux Kernel Jun 17, 2026 Jan 12, 2023 N/A· v4 5.5 MEDIUM· v3 N/A· v2 A flaw NULL Pointer Dereference in the Linux kernel NTFS3 driver function attr_punch_hole() was found. A local user could use this flaw to crash the system.
CVE-2022-3341 2Debian Ffmpeg 2Debian Linux Ffmpeg Jun 17, 2026 Jan 12, 2023 N/A· v4 5.3 MEDIUM· v3 N/A· v2 A null pointer dereference issue was discovered in 'FFmpeg' in decode_main_header() function of libavformat/nutdec.c file. The flaw occurs because the function lacks check of the return value of avformat_new_stream() and...Show more A null pointer dereference issue was discovered in 'FFmpeg' in decode_main_header() function of libavformat/nutdec.c file. The flaw occurs because the function lacks check of the return value of avformat_new_stream() and triggers the null pointer dereference error, causing an application to crash.Show less
CVE-2023-21758 1Microsoft 5Windows 10 Windows 11Windows Server 2016+2 more Jun 17, 2026 Jan 10, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
CVE-2023-21757 1Microsoft 10Windows 10 Windows 11Windows 7+7 more Jun 17, 2026 Jan 10, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Windows Layer 2 Tunneling Protocol (L2TP) Denial of Service Vulnerability
CVE-2023-21683 1Microsoft 13Windows 10 1607 Windows 10 1809Windows 10 20h2+10 more Jun 17, 2026 Jan 10, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
CVE-2023-21547 1Microsoft 9Windows 10 1607 Windows 10 1809Windows 10 21h2+6 more Jun 17, 2026 Jan 10, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability
CVE-2022-43972 1Linksys 1Wrt54gl Firmware Jun 17, 2026 Jan 9, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered...Show more A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.Show less
CVE-2022-33299 1Qualcomm 44Apq8017 Firmware Apq8096au FirmwareAr8031 Firmware+41 more Jun 17, 2026 Jan 9, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Transient DOS due to null pointer dereference in Bluetooth HOST while receiving an attribute protocol PDU with zero length data.
CVE-2022-33290 1Qualcomm 46Apq8017 Firmware Apq8096au FirmwareAr8031 Firmware+43 more Jun 17, 2026 Jan 9, 2023 N/A· v4 7.5 HIGH· v3 N/A· v2 Transient DOS in Bluetooth HOST due to null pointer dereference when a mismatched argument is passed.
CVE-2020-36646 1Mediaarea 1Zenlib Jun 17, 2026 Jan 7, 2023 N/A· v4 7.5 HIGH· v3 2.3 LOW· v2 A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argu...Show more A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.Show less
CVE-2022-47094 1Gpac 1Gpac Jun 17, 2026 Jan 5, 2023 N/A· v4 7.8 HIGH· v3 N/A· v2 GPAC MP4box 2.1-DEV-rev574-g9d5bb184b is vulnerable to Null pointer dereference via filters/dmx_m2ts.c:343 in m2tsdmx_declare_pid
CVE-2022-34683 1Nvidia 2Cloud Gaming Virtual Gpu Jun 17, 2026 Dec 30, 2022 N/A· v4 5.5 MEDIUM· v3 N/A· v2 NVIDIA GPU Display Driver for Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where a null-pointer dereference occurs, which may lead to denial of service.
CVE-2022-34682 1Nvidia 2Cloud Gaming Virtual Gpu Jun 17, 2026 Dec 30, 2022 N/A· v4 5.5 MEDIUM· v3 N/A· v2 NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer, where an unprivileged regular user can cause a null-pointer dereference, which may lead to denial of service.
CVE-2022-34679 1Nvidia 2Cloud Gaming Virtual Gpu Jun 17, 2026 Dec 30, 2022 N/A· v4 5.5 MEDIUM· v3 N/A· v2 NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer handler, where an unhandled return value can lead to a null-pointer dereference, which may lead to denial of service.
CVE-2022-34678 1Nvidia 2Cloud Gaming Virtual Gpu Jun 17, 2026 Dec 30, 2022 N/A· v4 5.5 MEDIUM· v3 N/A· v2 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer, where an unprivileged user can cause a null-pointer dereference, which may lead to denial of service.
CVE-2022-34675 1Nvidia 2Cloud Gaming Gpu Display Driver Jun 17, 2026 Dec 30, 2022 N/A· v4 5.5 MEDIUM· v3 N/A· v2 NVIDIA Display Driver for Linux contains a vulnerability in the Virtual GPU Manager, where it does not check the return value from a null-pointer dereference, which may lead to denial of service.

Previous 1...168169170...273 Next