CWE-476— NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.— MITRE CWE catalog
5,765 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-476page 19 of 116
- CVE-2023-33109HIGHCVSS 7.5EG 7.52024-01-02
Transient DOS while processing a WMI P2P listen start command (0xD00A) sent from host.
- CVE-2023-38321HIGHCVSS 7.5EG 7.52023-12-25
OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL pointer dereference, daemon crash, and Captive Portal outage) via a GET request to /opennds_auth/ tha…
- CVE-2023-37188HIGHCVSS 7.5EG 7.52023-12-25
C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the function zfp_rate_decompress at zfp/blosc2-zfp.c.
- CVE-2023-37187HIGHCVSS 7.5EG 7.52023-12-25
C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the zfp/blosc2-zfp.c zfp_acc_decompress. function.
- CVE-2023-37186HIGHCVSS 7.5EG 7.52023-12-25
C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference in ndlz/ndlz8x8.c via a NULL pointer to memset.
- CVE-2023-37185HIGHCVSS 7.5EG 7.52023-12-25
C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the function zfp_prec_decompress at zfp/blosc2-zfp.c.
- CVE-2023-50472HIGHCVSS 7.5EG 7.52023-12-14
cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_SetValuestring at cJSON.c.
- CVE-2023-50471HIGHCVSS 7.5EG 7.52023-12-14
cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_InsertItemInArray at cJSON.c.
- CVE-2023-49936HIGHCVSS 7.5EG 7.52023-12-14
An issue was discovered in SchedMD Slurm 22.05.x, 23.02.x, and 23.11.x. A NULL pointer dereference leads to denial of service. The fixed versions are 22.05.11, 23.02.7, and 23.11.1.
- CVE-2023-48416HIGHCVSS 7.5EG 7.52023-12-08
In multiple locations, there is a possible null dereference due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
- CVE-2023-33089HIGHCVSS 7.5EG 7.52023-12-05
Transient DOS when processing a NULL buffer while parsing WLAN vdev.
- CVE-2023-40459HIGHCVSS 7.5EG 7.52023-12-04
The ACEManager component of ALEOS 4.16 and earlier does not adequately perform input sanitization during authentication, which could potentially result in a Denial of Service (DoS) condition for ACEManager without impairing other …
- CVE-2023-49083HIGHCVSS 7.5EG 7.52023-11-29
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitat…
- CVE-2023-38322HIGHCVSS 7.5EG 7.52023-11-17
An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a do_binauth NULL pointer dereference that be triggered with a crafted GET HTTP request with a missing User-Agent HTTP header. Triggering this issue results in…
- CVE-2023-38320HIGHCVSS 7.5EG 7.52023-11-17
An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a show_preauthpage NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing User-Agent header. Triggering this issue results in cr…
- CVE-2023-38315HIGHCVSS 7.5EG 7.52023-11-17
An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a try_to_authenticate NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing client token query string parameter. Triggering thi…
- CVE-2023-38313HIGHCVSS 7.5EG 7.52023-11-17
An issue was discovered in OpenNDS Captive Portal before 10.1.2. it has a do_binauth NULL pointer dereference that can be triggered with a crafted GET HTTP request with a missing client redirect query string parameter. Triggering this issu…
- CVE-2023-33056HIGHCVSS 7.5EG 7.52023-11-07
Transient DOS in WLAN Firmware when firmware receives beacon including T2LM IE.
- CVE-2023-46728HIGHCVSS 7.5EG 7.52023-11-06
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and…
- CVE-2023-46239HIGHCVSS 7.5EG 7.52023-10-31
quic-go is an implementation of the QUIC protocol in Go. Starting in version 0.37.0 and prior to version 0.37.3, by serializing an ACK frame after the CRYTPO that allows a node to complete the handshake, a remote node could trigger a nil p…
- CVE-2023-46345HIGHCVSS 7.5EG 7.52023-10-26
Catdoc v0.95 was discovered to contain a NULL pointer dereference via the component xls2csv at src/xlsparse.c.
- CVE-2023-45667HIGHCVSS 7.5EG 7.52023-10-21
stb_image is a single file MIT licensed library for processing images. If `stbi__load_gif_main` in `stbi_load_gif_from_memory` fails it returns a null pointer and may keep the `z` variable uninitialized. In case the caller also sets the f…
- CVE-2023-5590HIGHCVSS 7.5EG 7.52023-10-15
NULL Pointer Dereference in GitHub repository seleniumhq/selenium prior to 4.14.0.
- CVE-2023-36709HIGHCVSS 7.5EG 7.52023-10-10
Microsoft AllJoyn API Denial of Service Vulnerability
- CVE-2023-36603HIGHCVSS 7.5EG 7.52023-10-10
Windows TCP/IP Denial of Service Vulnerability
- CVE-2023-36602HIGHCVSS 7.5EG 7.52023-10-10
Windows TCP/IP Denial of Service Vulnerability
- CVE-2023-24847HIGHCVSS 7.5EG 7.52023-10-03
Transient DOS in Modem while allocating DSM items.
- CVE-2022-48606HIGHCVSS 7.5EG 7.52023-09-27
Stability-related vulnerability in the binder background management and control module. Successful exploitation of this vulnerability may affect availability.
- CVE-2023-40308HIGHCVSS 7.5EG 7.52023-09-12
SAP CommonCryptoLib allows an unauthenticated attacker to craft a request, which when submitted to an open port causes a memory corruption error in a library which in turn causes the target component to crash making it unavailable. There …
- CVE-2023-41909HIGHCVSS 7.5EG 7.52023-09-05
An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.
- CVE-2023-41358HIGHCVSS 7.5EG 7.52023-08-29
An issue was discovered in FRRouting FRR through 9.0. bgpd/bgp_packet.c processes NLRIs if the attribute length is zero.
- CVE-2023-36199HIGHCVSS 7.5EG 7.52023-08-25
An issue in skalenetwork sgxwallet v.1.9.0 and below allows an attacker to cause a denial of service via the trustedGenerateEcdsaKey component.
- CVE-2022-28070HIGHCVSS 7.5EG 7.52023-08-22
A null pointer deference in __core_anal_fcn function in radare2 5.4.2 and 5.4.0.
- CVE-2023-39669HIGHCVSS 7.5EG 7.52023-08-18
D-Link DIR-880 A1_FW107WWb08 was discovered to contain a NULL pointer dereference in the function FUN_00010824.
- CVE-2023-39397HIGHCVSS 7.5EG 7.52023-08-13
Input parameter verification vulnerability in the communication system. Successful exploitation of this vulnerability may affect availability.
- CVE-2020-36138HIGHCVSS 7.5EG 7.52023-08-11
An issue was discovered in decode_frame in libavcodec/tiff.c in FFmpeg version 4.3, allows remote attackers to cause a denial of service (DoS).
- CVE-2023-32252HIGHCVSS 7.5EG 7.52023-07-24
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessi…
- CVE-2023-32248HIGHCVSS 7.5EG 7.52023-07-24
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of …
- CVE-2023-29984HIGHCVSS 7.5EG 7.52023-07-11
Null pointer dereference vulnerability exists in multiple vendors MFPs and printers which implement Debut web server 1.2 or 1.3. Processing a specially crafted request may lead an affected product to a denial-of-service (DoS) condition. As…
- CVE-2023-35338HIGHCVSS 7.5EG 7.52023-07-11
Windows Peer Name Resolution Protocol Denial of Service Vulnerability
- CVE-2023-32084HIGHCVSS 7.5EG 7.52023-07-11
HTTP.sys Denial of Service Vulnerability
- CVE-2023-3354HIGHCVSS 7.5EG 7.52023-07-11
A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous con…
- CVE-2023-34164HIGHCVSS 7.5EG 7.52023-07-06
Vulnerability of incomplete input parameter verification in the communication framework module. Successful exploitation of this vulnerability may affect availability.
- CVE-2023-2953HIGHCVSS 7.5EG 7.52023-05-30
A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.
- CVE-2023-33973HIGHCVSS 7.5EG 7.52023-05-30
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send a crafted frame which is forwarded by the device. D…
- CVE-2023-24825HIGHCVSS 7.5EG 7.52023-05-30
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer …
- CVE-2023-24832HIGHCVSS 7.5EG 7.52023-05-18
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 option was set to true. Note that this i…
- CVE-2023-24940HIGHCVSS 7.5EG 7.52023-05-09
Windows Pragmatic General Multicast (PGM) Denial of Service Vulnerability
- CVE-2023-31129HIGHCVSS 7.5EG 7.52023-05-08
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. Contiki-NG contains an implementation of IPv6 Neighbor Discovery (ND) in the…
- CVE-2023-29996HIGHCVSS 7.5EG 7.52023-05-04
In NanoMQ v0.15.0-0, segment fault with Null Pointer Dereference occurs in the process of decoding subinfo_decode and unsubinfo_decode.
Map vulnerabilities like CWE-476 to your infrastructure
EchelonGraph correlates every CVE — across CWE-476 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Book a Demo →