CWE-476
NULL Pointer Dereference
MITRENo catalog description on file. The MITRE CWE site has the canonical reference.
Recent CVEs
showing 37 of 37- CVE-2026-21525Medium· 6.2KEVEPSS 9%20 m ago
Microsoft Windows NULL Pointer Dereference Vulnerability
- CVE-2026-24716High· 7.2EPSS 0%47 m ago
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) at
- CVE-2025-66281High· 7.2EPSS 0%48 m ago
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vuln
- CVE-2026-42764High· 7.5EPSS 0%55 m ago
Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dereference in the OpenSSL QUIC server with address validation disabled. Impact summary: NULL pointer dereference typically causes abnormal ter
- CVE-2026-42765High· 7.5EPSS 0%1 h ago
Issue summary: When a partial-chain certificate verification is enabled together with OCSP response checking for the whole chain, a NULL dereference will happen if the verified chain does not have a self-signed trusted anchor, crashing the
- CVE-2025-62850High· 7.2EPSS 0%1 h ago
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) at
- CVE-2026-9743Medium· 6.5EPSS 0%2 h ago
In MongoDB Server 8.0, an aggregation stage can leave its _subPipeline field null during processing of certain pipelines. If a getMore is subsequently issued on the same cursor, the server may dereference this null sub-pipeline when reattac
- CVE-2025-55659Medium· 6.5EPSS 0%1 d ago
A NULL pointer dereference in the ctts_box_write function (isomedia/box_code_base.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
- CVE-2025-55657High· 7.5EPSS 0%1 d ago
A NULL pointer dereference in the gf_odf_vvc_cfg_write_bs function (odf/descriptors.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
- CVE-2025-55651Medium· 5.5EPSS 0%1 d ago
A NULL pointer dereference in the gf_isom_get_user_data_count function (isomedia/isom_read.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
- CVE-2025-7018Medium· 5.5EPSS 0%2 d ago
Null pointer dereference vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for eng
- CVE-2026-11788Medium· 5.9EPSS 0%3 d ago
A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memor
- CVE-2026-22899Medium· 6.5EPSS 0%3 d ago
A NULL pointer dereference vulnerability has been reported to affect File Station 6. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the v
- CVE-2026-53463Medium· 4.3EPSS 0%4 d ago
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-50 and 7.1.2-25, when passing incorrect arguments in the distort operation a null pointer deference will occur. This iss
- CVE-2026-45541High· 7.5EPSS 0%4 d ago
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.4, and 6.0, a NULL-pointer dereference exists in the WebSocket subprotocol-negotiation path of the esp_http_server component. Whil
- CVE-2026-42903Medium· 6.5EPSS 0%4 d ago
Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a network.
- CVE-2026-46188Medium· 5.5EPSS 0%4 d ago
In the Linux kernel, the following vulnerability has been resolved: octeon_ep_vf: add NULL check for napi_build_skb() napi_build_skb() can return NULL on allocation failure. In __octep_vf_oq_process_rx(), the result is used directly witho
- CVE-2026-46233Medium· 5.5EPSS 0%4 d ago
In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadv_bla_purge_claims() goes through the list of claims, it is only traversing the hash list with an rcu_read_lock(
- CVE-2026-9752Medium· 6.5EPSS 0%4 d ago
An authorized user could trigger a server crash by running a query with a 2dsphere index on a field that stores a GeoJSON GeometryCollection containing a Polygon with a strict-winding CRS. Strict-winding polygons are intentionally unsuppor
- CVE-2026-46195Critical· 9.8EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building DACL pointers parse_sec_desc(), build_sec_desc(), and the chown path in id_mode_to_cifs_acl() all add the server-supplied
- CVE-2026-46211Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: drm/msm/gem: fix error handling in msm_ioctl_gem_info_get_metadata() msm_ioctl_gem_info_get_metadata() always returns 0 regardless of errors. When copy_to_user() fails or
- CVE-2026-46216Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: drm/xe/hdcp: Add NULL check for media_gt in intel_hdcp_gsc_check_status() When media GT is disabled via configfs, there is no allocation for media_gt, which is kept as NU
- CVE-2026-46222Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads The pads missed checks for connected devices which may a null dereference when the stream is enabled. Unabl
- CVE-2026-34704Medium· 5.5EPSS 0%5 d ago
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leadin
- CVE-2026-34703Medium· 5.5EPSS 0%5 d ago
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leadin
- CVE-2026-42767Medium· 5.9EPSS 0%5 d ago
Issue summary: An attacker-controlled CMP (Certificate Management Protocol) server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Den
- CVE-2026-42766Medium· 5.9EPSS 0%5 d ago
Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of Service. The CMS P
- CVE-2026-46245Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dc_link NULL handling in HPD init amdgpu_dm_hpd_init() may see connectors without a valid dc_link. The code already checks dc_link for the polling d
- CVE-2025-71313Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Add missing NULL check for alloc_workqueue() alloc_workqueue() can return NULL on memory allocation failure. Without proper error checking, this may lead t
- CVE-2026-46258Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandle_create() In linehandle_create(), there is a statement like this: retain_and_null_ptr(lh); Soon after, there is a debug
- CVE-2026-46261Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe() platform_get_resource_byname() can return NULL, which would cause a crash when passed the pointe
- CVE-2026-46269Medium· 5.5EPSS 0%5 d ago
In the Linux kernel, the following vulnerability has been resolved: pinctrl: canaan: k230: Fix NULL pointer dereference when parsing devicetree When probing the k230 pinctrl driver, the kernel triggers a NULL pointer dereference. The cras
- CVE-2026-47327Low· 3.3EPSS 0%6 d ago
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.
- CVE-2025-66274Medium· 4.9EPSS 0%6 d ago
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) at
- CVE-2026-3238High· 7.5EPSS 0%7 d ago
A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller. The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing an unauthenticated remote att
- CVE-2026-34874High· 7.5EPSS 0%9 d ago
An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0.
- CVE-2018-1000121Low· 7.5EPSS 3%2026-04-25
curl/libcurl: LDAP NULL pointer dereference
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CWE catalog data sourced from MITRE. CVE associations come from NVD weakness mappings; some CVEs carry multiple CWEs.