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CWE-476: NULL Pointer Dereference, page 26

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

What the weakness is: CWE-476 at MITRE

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Show the promptExplain CWE-476: NULL Pointer Dereference and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/476.html and https://cve.bz/cve/cwe/476?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

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    Icinga 2 is an open source monitoring system. From 2.10.0 to before 2.15.1, 2.14.7, and 2.13.13, when creating an invalid reference, such as a reference to null, dereferencing results in a segmentation fault. This can be used by any API us…

  2. 6.8CVE-2025-9548EPSS 0.1%

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  3. 8.7CVE-2025-61960EPSS 0.3%

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  4. 8.7CVE-2025-58120EPSS 0.3%

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  5. 5.5CVE-2025-54270EPSS 0.2%

    Animate versions 23.0.13, 24.0.10 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive memory information. Exploitation…

  6. 7.7CVE-2025-55698EPSS 1.2%

    Null pointer dereference in Windows DirectX allows an authorized attacker to deny service over a network.

  7. 5.3CVE-2025-42902EPSS 0.4%

    Due to the memory corruption vulnerability in SAP NetWeaver AS ABAP and ABAP Platform, an unauthenticated attacker can send a corrupted SAP Logon Ticket or SAP Assertion Ticket to the SAP application server. This leads to a dereference of …

  8. 7.5CVE-2025-59836EPSS 0.6%

    Omni manages Kubernetes on bare metal, virtual machines, or in a cloud. Prior to 1.1.5 and 1.0.2, there is a nil pointer dereference vulnerability in the Omni Resource Service allows unauthenticated users to cause a server panic and denial…

  9. 6.8CVE-2025-9337EPSS 0.1%

    A null pointer dereference has been identified in the AsIO3.sys driver. The vulnerability can be triggered by a specially crafted input, which may lead to a system crash (BSOD). Refer to the 'Security Update for Armoury Crate App' section …

  10. 5.3CVE-2025-11618EPSS 0.3%

    A missing validation check in FreeRTOS-Plus-TCP's UDP/IPv6 packet processing code can lead to an invalid pointer dereference when receiving a UDP/IPv6 packet with an incorrect IP version field in the packet header. This issue only affects …

  11. 5.7CVE-2025-11550EPSS 1.0%

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  12. 7.1CVE-2025-59967EPSS 0.2%

    A NULL Pointer Dereference vulnerability in the PFE management daemon (evo-pfemand) of Juniper Networks Junos OS Evolved on ACX7024, ACX7024X, ACX7100-32C, ACX7100-48L, ACX7348, ACX7509 devices allows an unauthenticated, adjacent attacker …

  13. 5.5CVE-2025-39959EPSS 0.1%

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  14. 5.5CVE-2023-53686EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshake_nl_done_doit() We should not call trace_handshake_cmd_done_err() if socket lookup has failed. Also we should call trace_h…

  15. 5.5CVE-2023-53681EPSS 0.1%

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  16. 5.5CVE-2023-53678EPSS 0.1%

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  17. 5.5CVE-2023-53667EPSS 0.1%

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  18. 5.5CVE-2023-53664EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate() "opp" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by removing the deref…

  19. 5.5CVE-2023-53658EPSS 0.2%

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  20. 5.5CVE-2023-53657EPSS 0.2%

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  21. 5.5CVE-2023-53653EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: media: amphion: fix REVERSE_INULL issues reported by coverity null-checking of a pointor is suggested before dereferencing it

  22. 5.5CVE-2023-53648EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer smatch error: sound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error: we previously assumed 'rac97' could be…

  23. 5.5CVE-2023-53647EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Don't dereference ACPI root object handle Since the commit referenced in the Fixes: tag below the VMBus client driver is walking the ACPI namespace u…

  24. 5.5CVE-2023-53643EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: don't access released socket during error recovery While the error recovery work is temporarily failing reconnect attempts, running the 'nvme list' command cau…

  25. 5.5CVE-2023-53627EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: scsi: hisi_sas: Grab sas_dev lock when traversing the members of sas_dev.list When freeing slots in function slot_complete_v3_hw(), it is possible that sas_dev.list is b…

  26. 5.5CVE-2023-53625EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: drm/i915/gvt: fix vgpu debugfs clean in remove Check carefully on root debugfs available when destroying vgpu, e.g in remove case drm minor's debugfs root might already …

  27. 7.8CVE-2023-53621EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: memcontrol: ensure memcg acquired by id is properly set up In the eviction recency check, we attempt to retrieve the memcg to which the folio belonged when it was evicte…

  28. 5.5CVE-2022-50555EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipc_topsrv_accept syzbot found a crash in tipc_topsrv_accept: KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] …

  29. 5.5CVE-2022-50538EPSS 0.2%

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  30. 5.5CVE-2022-50535EPSS 0.2%

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  31. 5.5CVE-2022-50533EPSS 0.2%

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  32. 5.5CVE-2022-50530EPSS 0.1%

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  33. 5.5CVE-2022-50527EPSS 0.2%

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  34. 5.5CVE-2022-50524EPSS 0.2%

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  35. 5.5CVE-2022-50516EPSS 0.2%

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  36. 5.5CVE-2022-50509EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: media: coda: Add check for kmalloc As the kmalloc may return NULL pointer, it should be better to check the return value in order to avoid NULL poineter dereference, sam…

  37. 5.5CVE-2023-53612EPSS 0.1%

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  38. 5.5CVE-2023-53603EPSS 0.1%

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  39. 5.5CVE-2023-53599EPSS 0.1%

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  40. 5.5CVE-2023-53595EPSS 0.1%

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  41. 5.5CVE-2023-53582EPSS 0.2%

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  42. 5.5CVE-2023-53576EPSS 0.1%

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  43. 5.5CVE-2023-53566EPSS 0.2%

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  44. 5.5CVE-2023-53565EPSS 0.1%

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  45. 5.5CVE-2023-53561EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix NULL pointer dereference when removing device In suspend and resume cycle, the removal and rescan of device ends up in NULL pointer dereference. Du…

  46. 5.5CVE-2023-53551EPSS 0.2%

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  47. 5.5CVE-2023-53538EPSS 0.2%

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  48. 5.5CVE-2023-53534EPSS 0.2%

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  49. 5.5CVE-2022-50506EPSS 0.1%

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  50. 5.5CVE-2022-50503EPSS 0.2%

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