CWE-476— NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.— MITRE CWE catalog
5,820 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-476page 55 of 117
- CVE-2026-34541MEDIUMCVSS 5.5EG 5.52026-03-31
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger Undefined Behavior (UB) via a null-pointer member call in CIccCombinedConnectionCondit…
- CVE-2026-33996MEDIUMCVSS 5.5EG 5.52026-03-27
LibJWT is a C JSON Web Token Library. Starting in version 3.0.0 and prior to version 3.3.0, the JWK parsing for RSA-PSS did not protect against a NULL value when expecting to parse JSON string values. A specially crafted JWK file could exp…
- CVE-2026-23398MEDIUMCVSS 5.5EG 5.52026-03-26
In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmp_tag_validation() icmp_tag_validation() unconditionally dereferences the result of rcu_dereference(inet_protos[proto]) without …
- CVE-2026-23396MEDIUMCVSS 5.5EG 5.52026-03-26
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL deref in mesh_matches_local() mesh_matches_local() unconditionally dereferences ie->mesh_config to compare mesh configuration parameters. When c…
- CVE-2026-23309MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: tracing: Add NULL pointer check to trigger_data_free() If trigger_data_alloc() fails and returns NULL, event_hist_trigger_parse() jumps to the out_free error path. While…
- CVE-2026-23382MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them In commit 2ff5baa9b527 ("HID: appleir: Fix potential NULL dereference at raw event handle"), we han…
- CVE-2026-23381MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exi…
- CVE-2026-23369MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Revert "i2c: i801: replace acpi_lock with I2C bus lock" This reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1. Under rare circumstances, multiple udev…
- CVE-2026-23366MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: drm/client: Do not destroy NULL modes 'modes' in drm_client_modeset_probe may fail to kcalloc. If this occurs, we jump to 'out', calling modes_destroy on it, which dere…
- CVE-2026-23353MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: ice: fix crash in ethtool offline loopback test Since the conversion of ice to page pool, the ethtool loopback test crashes: BUG: kernel NULL pointer dereference, addr…
- CVE-2026-23349MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix condition effect bit clearing As reported by MPDarkGuy on discord, NULL pointer dereferences were happening because not all the conditional effects bits …
- CVE-2026-23341MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix crash when destroying a suspended hardware context If userspace issues an ioctl to destroy a hardware context that has already been automatically susp…
- CVE-2026-23332MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: cpufreq: intel_pstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disab…
- CVE-2026-23328MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix NULL pointer dereference of mgmt_chann mgmt_chann may be set to NULL if the firmware returns an unexpected error in aie2_send_mgmt_msg_wait(). This ca…
- CVE-2026-23304MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix NULL pointer deref in ip6_rt_get_dev_rcu() l3mdev_master_dev_rcu() can return NULL when the slave device is being un-slaved from a VRF. All other callers deal …
- CVE-2026-23300MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device (e.g., "ip -6 nexthop add i…
- CVE-2026-23293MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exit…
- CVE-2026-23286MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: atm: lec: fix null-ptr-deref in lec_arp_clear_vccs syzkaller reported a null-ptr-deref in lec_arp_clear_vccs(). This issue can be easily reproduced using the syzkaller r…
- CVE-2026-23285MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: drbd: fix null-pointer dereference on local read error In drbd_request_endio(), READ_COMPLETED_WITH_ERROR is passed to __req_mod() with a NULL peer_device: __req_mod(…
- CVE-2026-23279MEDIUMCVSS 5.5EG 5.52026-03-25
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL pointer dereference in mesh_rx_csa_frame() In mesh_rx_csa_frame(), elems->mesh_chansw_params_ie is dereferenced at lines 1638 and 1642 without a…
- CVE-2026-33179MEDIUMCVSS 5.5EG 5.52026-03-20
libfuse is the reference implementation of the Linux FUSE. From version 3.18.0 to before version 3.18.2, a NULL pointer dereference and memory leak in fuse_uring_init_queue allows a local user to crash the FUSE daemon or cause resource exh…
- CVE-2026-23277MEDIUMCVSS 5.5EG 5.52026-03-20
In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: fix NULL pointer dereference in iptunnel_xmit on TEQL slave xmit teql_master_xmit() calls netdev_start_xmit(skb, slave) to transmit through slave device…
- CVE-2026-23251MEDIUMCVSS 5.5EG 5.52026-03-18
In the Linux kernel, the following vulnerability has been resolved: xfs: only call xf{array,blob}_destroy if we have a valid pointer Only call the xfarray and xfblob destructor if we have a valid pointer, and be sure to null out that poi…
- CVE-2026-23250MEDIUMCVSS 5.5EG 5.52026-03-18
In the Linux kernel, the following vulnerability has been resolved: xfs: check return value of xchk_scrub_create_subord Fix this function to return NULL instead of a mangled ENOMEM, then fix the callers to actually check for a null point…
- CVE-2026-23249MEDIUMCVSS 5.5EG 5.52026-03-18
In the Linux kernel, the following vulnerability has been resolved: xfs: check for deleted cursors when revalidating two btrees The free space and inode btree repair functions will rebuild both btrees at the same time, after which it nee…
- CVE-2026-32778MEDIUMCVSS 5.5EG 5.52026-03-16
libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.
- CVE-2026-32776MEDIUMCVSS 5.5EG 5.52026-03-16
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
- CVE-2026-32249MEDIUMCVSS 5.5EG 5.52026-03-12
Vim is an open source, command line text editor. From 9.1.0011 to before 9.2.0137, Vim's NFA regex compiler, when encountering a collection containing a combining character as the endpoint of a character range (e.g. [0-0\u05bb]), incorrect…
- CVE-2026-27218MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-27217MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-27215MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-27214MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-21364MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-21363MEDIUMCVSS 5.5EG 5.52026-03-10
Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing dis…
- CVE-2026-30986MEDIUMCVSS 5.5EG 5.52026-03-10
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow write in CIccMatrixMath::SetRange() causing memory corruption or crash. This vulnerability…
- CVE-2026-3665MEDIUMCVSS 5.5EG 5.52026-03-07
A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file source/detail/serialization/xlsx_consumer.cpp of the component XLSX File …
- CVE-2025-69651MEDIUMCVSS 5.5EG 5.52026-03-06
GNU Binutils thru 2.46 readelf contains a vulnerability that leads to an invalid pointer free when processing a crafted ELF binary with malformed relocation or symbol data. If dump_relocations returns early due to parsing errors, the inter…
- CVE-2026-23237MEDIUMCVSS 5.5EG 5.52026-03-04
In the Linux kernel, the following vulnerability has been resolved: platform/x86: classmate-laptop: Add missing NULL pointer checks In a few places in the Classmate laptop driver, code using the accel object may run before that object's …
- CVE-2025-62815MEDIUMCVSS 5.5EG 5.52026-03-03
An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, 1580, and 2500. A NULL pointer dereference of npu_proto_drv.ast.thread_ref in set_cpu_affinity() causes a denial of service.
- CVE-2026-3392MEDIUMCVSS 5.5EG 5.52026-03-01
A weakness has been identified in FascinatedBox lily up to 2.3. The affected element is the function eval_tree of the file src/lily_emitter.c. This manipulation causes null pointer dereference. The attack is restricted to local execution. …
- CVE-2026-3389MEDIUMCVSS 5.5EG 5.52026-03-01
A vulnerability was determined in Squirrel up to 3.2. This vulnerability affects the function sqstd_rex_newnode in the library sqstdlib/sqstdrex.cpp. Executing a manipulation can lead to null pointer dereference. The attack can only be exe…
- CVE-2026-3387MEDIUMCVSS 5.5EG 5.52026-03-01
A vulnerability has been found in wren-lang wren up to 0.4.0. Affected by this issue is the function getByteCountForArguments of the file src/vm/wren_compiler.c. Such manipulation leads to null pointer dereference. Local access is required…
- CVE-2026-3146MEDIUMCVSS 5.5EG 5.52026-02-25
A vulnerability has been found in libvips up to 8.18.0. The impacted element is the function vips_foreign_load_matrix_header of the file libvips/foreign/matrixload.c. The manipulation leads to null pointer dereference. The attack needs to …
- CVE-2025-61143MEDIUMCVSS 5.5EG 5.52026-02-23
libtiff up to v4.7.1 was discovered to contain a NULL pointer dereference via the component libtiff/tif_open.c.
- CVE-2025-10256MEDIUMCVSS 5.5EG 5.52026-02-18
A NULL pointer dereference vulnerability exists in FFmpeg’s Firequalizer filter (libavfilter/af_firequalizer.c) due to a missing check on the return value of av_malloc_array() in the config_input() function. An attacker could exploit thi…
- CVE-2025-71233MEDIUMCVSS 5.5EG 5.52026-02-18
In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Avoid creating sub-groups asynchronously The asynchronous creation of sub-groups by a delayed work could lead to a NULL pointer dereference when the drive…
- CVE-2026-23218MEDIUMCVSS 5.5EG 5.52026-02-18
In the Linux kernel, the following vulnerability has been resolved: gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc() Fix incorrect NULL check in loongson_gpio_init_irqchip(). The function checks chip->parent instead of…
- CVE-2025-71236MEDIUMCVSS 5.5EG 5.52026-02-18
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Validate sp before freeing associated memory System crash with the following signature [154563.214890] nvme nvme2: NVME-FC{1}: controller connect complete…
- CVE-2026-23206MEDIUMCVSS 5.5EG 5.52026-02-14
In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: prevent ZERO_SIZE_PTR dereference when num_ifs is zero The driver allocates arrays for ports, FDBs, and filter blocks using kcalloc() with ethsw->sw_attr.n…
- CVE-2026-23202MEDIUMCVSS 5.5EG 5.52026-02-14
In the Linux kernel, the following vulnerability has been resolved: spi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer The curr_xfer field is read by the IRQ handler without holding the lock to check if a transfer is i…
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