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Null Pointer Dereference

memory MEDIUM

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

How It Works

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0). In normal operation, pointers should reference valid memory locations before use. When a pointer is NULL—either uninitialized, explicitly set to NULL, or returned as NULL from a failed allocation—and the program tries to read from, write to, or execute code at that address, the operating system intervenes. On modern systems, accessing address zero triggers a segmentation fault that immediately terminates the process.

Attackers exploit this by manipulating program logic to force null pointer conditions. Common techniques include triggering allocation failures in low-memory conditions, providing malformed input that bypasses initialization checks, or exploiting race conditions where a pointer is checked for NULL but becomes NULL before use. The attacker identifies code paths where null checks are missing or inadequate, then crafts inputs to reach those vulnerable states.

On legacy systems without memory protection, attackers could map their own code at address zero, converting a crash into arbitrary code execution. Modern operating systems prevent this through mmap_min_addr restrictions that prohibit mapping memory below a threshold (typically 64KB). This mitigation has largely relegated null pointer dereferences to denial-of-service attacks rather than remote code execution vectors.

Impact

  • Service disruption: Immediate process crash, taking down the vulnerable application or daemon
  • Availability attacks: Repeated crashes forcing system restarts or service downtime
  • Limited code execution: On unpatched legacy systems (pre-2009 Linux kernels, older embedded devices) where address zero mapping is possible
  • Privilege escalation: In kernel-mode drivers where null dereferences can be exploited to execute attacker code with system privileges

Real-World Examples

The Linux kernel suffered from CVE-2009-2908, where null pointer dereferences in various subsystems could be exploited on systems allowing mmap at address zero. Attackers could map malicious code at NULL and trigger kernel null dereferences to achieve privilege escalation. This prompted the introduction of mmap_min_addr protections.

Microsoft Windows drivers have been frequent targets, including CVE-2020-17087 in the Windows kernel cryptography driver. Attackers triggered null pointer dereferences in kernel mode, which on older Windows versions could be exploited for local privilege escalation by controlling the null page.

Web browsers have experienced denial-of-service through null dereferences when parsing malformed content. Firefox CVE-2019-11707 involved a null pointer dereference in the IonMonkey JIT compiler, allowing attackers to crash the browser with specially crafted JavaScript, though not achieve code execution due to modern protections.

Mitigation

  • Explicit null checks: Validate all pointers before dereferencing, especially after allocation or function calls that may return NULL
  • Static analysis tools: Deploy analyzers like Coverity, Clang Static Analyzer, or PVS-Studio to detect missing null checks during development
  • Address space layout: Enable mmap_min_addr kernel protection (standard on modern Linux, typically 65536 bytes)
  • Fuzzing: Use AFL, libFuzzer, or similar tools to stress-test error handling paths and allocation failures
  • Safe coding practices: Initialize pointers to NULL, use smart pointers in C++, adopt languages with built-in null safety
  • Runtime bounds checking: Enable AddressSanitizer during testing to catch null dereferences immediately

Recent CVEs (4366)

EPSS 0% CVSS 5.5
MEDIUM POC This Month

A vulnerability, which was classified as problematic, was found in eScan Antivirus 22.0.1400.2443. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Escan Anti Virus +1
NVD GitHub VulDB
EPSS 0% CVSS 5.5
MEDIUM POC This Month

A vulnerability classified as problematic has been found in FlexiHub 5.5.14691.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Flexihub
NVD GitHub VulDB
EPSS 0% CVSS 5.5
MEDIUM POC This Month

A vulnerability was found in FabulaTech USB for Remote Desktop 6.1.0.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Usb For Remote Desktop +1
NVD GitHub VulDB
EPSS 1% CVSS 9.8
CRITICAL POC PATCH Act Now

NULL Pointer Dereference in GitHub repository gpac/gpac prior to 2.2.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Gpac
NVD GitHub
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A null pointer dereference bug in Hermes prior to commit 5cae9f72975cf0e5a62b27fdd8b01f103e198708 could have been used by an attacker to crash an Hermes runtime where the EnableHermesInternal config. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Null Pointer Dereference Hermes +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC PATCH This Month

A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Red Hat +4
NVD GitHub
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Opencv
NVD GitHub VulDB
EPSS 0% CVSS 5.5
MEDIUM POC PATCH This Month

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.1531. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Fedora +2
NVD GitHub VulDB
EPSS 5% CVSS 7.5
HIGH PATCH This Week

Windows Pragmatic General Multicast (PGM) Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Microsoft +13
NVD
EPSS 1% CVSS 9.8
CRITICAL PATCH Act Now

The Contiki-NG operating system versions 4.8 and prior can be triggered to dereference a NULL pointer in the message handling code for IPv6 router solicitiations. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Contiki Ng
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

In NanoMQ v0.15.0-0, segment fault with Null Pointer Dereference occurs in the process of decoding subinfo_decode and unsubinfo_decode. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Nanomq +1
NVD GitHub
EPSS 1% CVSS 4.7
MEDIUM PATCH This Month

A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. Rated medium severity (CVSS 4.7). This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +3
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

RIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Riot +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC PATCH This Week

RIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Riot +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM This Month

An issue was discovered in drivers/media/test-drivers/vidtv/vidtv_bridge.c in the Linux kernel 6.2. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 3.3
LOW Monitor

NVIDIA CUDA Toolkit SDK for Linux and Windows contains a NULL pointer dereference in cuobjdump, where a local user running the tool against a malformed binary may cause a limited denial of service. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +2
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer, where a NULL pointer dereference may lead to denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Linux Null Pointer Dereference +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Linux Kernel
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

A NULL pointer dereference flaw was found in the UNIX protocol in net/unix/diag.c In unix_diag_get_exact in the Linux Kernel. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +3
NVD
EPSS 0% CVSS 4.7
MEDIUM This Month

A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. Rated medium severity (CVSS 4.7). No vendor patch available.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 0% CVSS 5.5
MEDIUM POC This Month

Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +4
NVD
EPSS 0% CVSS 5.5
MEDIUM POC This Month

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via ffi_cb_impl_wpwwwww at src/mjs_ffi.c. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Mjs +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lysp_stmt_validate_value at lys_parse_mem.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Libyang +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH This Week

A vulnerability has been identified in SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 6MD89 (CP300) (All versions >=. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Siemens +39
NVD
EPSS 1% CVSS 5.3
MEDIUM This Month

libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Fedora +3
NVD GitHub
EPSS 1% CVSS 7.5
HIGH PATCH This Week

mod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Apache Null Pointer Dereference +2
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM This Month

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, where a malicious user in a guest VM can cause a NULL-pointer dereference, which may lead to denial of service. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Nvidia +1
NVD
EPSS 0% CVSS 5.5
MEDIUM POC This Month

A vulnerability, which was classified as problematic, was found in JiangMin Antivirus 16.2.2022.418. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Jiangmin Antivirus +1
NVD GitHub VulDB
EPSS 0% CVSS 5.5
MEDIUM POC This Month

A vulnerability classified as problematic has been found in Jianming Antivirus 16.2.2022.418. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Jiangmin Antivirus +1
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Week

TensorFlow is an open source machine learning platform. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Google Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

TensorFlow is an open source machine learning platform. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Google Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

TensorFlow is an open source platform for machine learning. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Google Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

TensorFlow is an open source platform for machine learning. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Google Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH POC PATCH This Week

TensorFlow is an open source platform for machine learning. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Google Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

TensorFlow is an open source platform for machine learning. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Google Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

TensorFlow is an open source platform for machine learning. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Google Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

A NULL pointer dereference was found in io_file_bitmap_get in io_uring/filetable.c in the io_uring sub-component in the Linux Kernel. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 1% CVSS 7.5
HIGH POC This Week

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the parse_list function at the list.c:81 endpoint. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Broadcom +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC PATCH This Week

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the macinstring function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Broadcom +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

An issue found in TCPreplay TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the parse endpoints function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Broadcom +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC This Week

An issue found in TCPReplay v.4.4.3 allows a remote attacker to cause a denial of service via the read_hexstring function at the utils.c:309 endpoint. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Broadcom +1
NVD GitHub
EPSS 0% CVSS 7.0
HIGH PATCH This Week

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference). Rated high severity (CVSS 7.0).

Denial Of Service Linux Null Pointer Dereference +9
NVD
EPSS 1% CVSS 6.5
MEDIUM POC This Month

Libde265 v1.0.11 was discovered to contain a segmentation violation via the function decoder_context::process_slice_segment_header at decctx.cc. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Libde265 +1
NVD GitHub
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Windows Graphics Component Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Microsoft +15
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Microsoft +12
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

STEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Ifcmesh Library
NVD
EPSS 0% CVSS 5.5
MEDIUM POC PATCH This Month

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.1402. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Vim
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

radare2 v5.8.3 was discovered to contain a segmentation fault via the component wasm_dis at p/wasm/wasm.c. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Radare2 +1
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Hashicorp +1
NVD
EPSS 0% CVSS 5.5
MEDIUM POC PATCH This Month

NULL Pointer Dereference in GitHub repository vim/vim prior to 9.0.1392. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Fedora +2
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

A vulnerability has been found in FabulaTech Webcam for Remote Desktop 2.8.42 and classified as problematic. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Webcam For Remote Desktop +1
NVD GitHub VulDB
EPSS 0% CVSS 3.3
LOW PATCH Monitor

NVIDIA CUDA Toolkit SDK contains a bug in cuobjdump, where a local user running the tool against an ill-formed binary may cause a null- pointer dereference, which may result in a limited denial of. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Cuda Toolkit +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 5.15.13, drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c misinterprets the mlx5_get_uars_page return value (expects it to be NULL in the error case, whereas it. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 6.2, mm/memory-tiers.c misinterprets the alloc_memory_type return value (expects it to be NULL in the error case, whereas it is actually an error pointer). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 5.19, drivers/gpu/drm/arm/malidp_planes.c misinterprets the get_sg_table return value (expects it to be NULL in the error case, whereas it is actually an error pointer). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 5.16.3, drivers/bluetooth/hci_qca.c misinterprets the devm_gpiod_get_index_optional return value (expects it to be NULL in the error case, whereas it is actually an error. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 5.16.3, drivers/scsi/ufs/ufs-mediatek.c misinterprets the regulator_get return value (expects it to be NULL in the error case, whereas it is actually an error pointer). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +2
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the ff_hevc_put_weighted_pred_avg_8_sse function at sse-motion.cc. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the put_unweighted_pred_16_fallback function at fallback-motion.cc. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the ff_hevc_put_unweighted_pred_8_sse function at sse-motion.cc. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the put_weighted_pred_8_fallback function at fallback-motion.cc. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the ff_hevc_put_weighted_pred_avg_8_sse function at sse-motion.cc. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM POC This Month

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the ff_hevc_put_hevc_epel_pixels_8_sse function at sse-motion.cc. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC This Month

libde265 v1.0.10 was discovered to contain a NULL pointer dereference in the mc_chroma function at motion.cc. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Debian +3
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Red Hat +2
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 5.16.3, drivers/usb/dwc3/dwc3-qcom.c misinterprets the dwc3_qcom_create_urs_usb_platdev return value (expects it to be NULL in the error case, whereas it is actually an. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel before 6.1.2, kernel/module/decompress.c misinterprets the module_get_next_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Linux Null Pointer Dereference +1
NVD GitHub
EPSS 1% CVSS 7.5
HIGH POC PATCH This Week

In crasm 1.8-3, invalid input validation, specific files passed to the command line application, can lead to a NULL pointer dereference in the function Xasc. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Denial Of Service Null Pointer Dereference Crasm
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM This Month

Adobe InDesign versions ID18.1 (and earlier) and ID17.4 (and earlier) are affected by a NULL Pointer Dereference vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Adobe +1
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

Windows iSCSI Discovery Service Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Microsoft +13
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

A NULL pointer can be dereferenced when signatures are being verified on PKCS7 signed or signedAndEnveloped data. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference OpenSSL +2
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

An invalid pointer dereference on read can be triggered when an application tries to check a malformed DSA public key by the EVP_PKEY_public_check() function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference OpenSSL
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

An invalid pointer dereference on read can be triggered when an application tries to load malformed PKCS7 data with the d2i_PKCS7(), d2i_PKCS7_bio() or d2i_PKCS7_fp() functions. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference OpenSSL +2
NVD
EPSS 1% CVSS 9.8
CRITICAL POC Act Now

An issue was found in MojoJson v1.2.3 allows attackers to execute arbitary code via the destroy function. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Mojojson
NVD GitHub
EPSS 1% CVSS 7.5
HIGH This Week

On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Big Ip Domain Name System +34
NVD
EPSS 1% CVSS 7.5
HIGH This Week

On version 14.1.x before 14.1.5.3, and all versions of 13.1.x, when the BIG-IP APM system is configured with all the following elements, undisclosed requests may cause the Traffic Management. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Big Ip Access Policy Manager +1
NVD
EPSS 1% CVSS 7.5
HIGH This Week

On BIG-IP versions 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a SIP profile is configured on a Message Routing type virtual server,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Big Ip Application Security Manager +12
NVD
EPSS 1% CVSS 5.5
MEDIUM PATCH This Month

A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

A NULL pointer dereference vulnerability in the Linux kernel NVMe functionality, in nvmet_setup_auth(), allows an attacker to perform a Pre-Auth Denial of Service (DoS) attack on a remote machine. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Linux Null Pointer Dereference +1
NVD
EPSS 92% CVSS 7.5
HIGH This Week

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +5
NVD
EPSS 2% CVSS 7.5
HIGH This Week

Windows Layer 2 Tunneling Protocol (L2TP) Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +10
NVD
EPSS 2% CVSS 7.5
HIGH This Week

Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +13
NVD
EPSS 88% CVSS 7.5
HIGH This Week

Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +9
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

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. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +3
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

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. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Linux Null Pointer Dereference +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM This Month

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. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Linux Null Pointer Dereference +3
NVD
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Quick Facts

Typical Severity
MEDIUM
Category
memory
Total CVEs
4366

Related CWEs

MITRE ATT&CK

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