CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
Description
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-27 · CAPEC-29
CVEs mapped to this weakness (740)
page 37 of 37| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-12374 | Med | 0.00 | — | 0.00 | Jul 1, 2026 | Improper certificate validation and a time-of-check time-of-use (TOCTOU) race condition in the PrivilegedHelperTool XPC service in Cato Client before v.5.13.1 on macOS allows a local authenticated attacker to escalate privileges to root via a self-signed certificate that… | ||
| CVE-2026-14160 | Med | 0.00 | 5.9 | 0.00 | Jun 30, 2026 | Time-of-check time-of-use (TOCTOU) race condition vulnerability in Samsung Open Source Escargot allows Leveraging Race Conditions. This issue affects Escargot: bab3a5797557014ce3c2e28419a6310cfba90d0d. | ||
| CVE-2026-57959 | Med | 0.00 | 5.9 | 0.00 | Jun 29, 2026 | Hi.Events through 1.9.0 contains a promo code validation vulnerability where reservation validates usage count before asynchronous UpdateEventStatisticsJob increments it, allowing attackers to redeem limited promo codes unlimited times. Attackers can sequentially reserve… | ||
| CVE-2026-13742 | Med | 0.00 | — | 0.00 | Jun 29, 2026 | Honeywell IQ MultiAccess, all versions prior to and including version 28, contain an improper digital signature verification vulnerability. An attacker could potentially exploit this vulnerability, leading to the replacement of downloaded file with a malicious one. Honeywell… | ||
| CVE-2026-52885 | Med | 0.00 | 6.3 | 0.00 | Jun 26, 2026 | Notepad++ is a free and open-source source code editor. Prior to 8.9.6.4, NppCommands.cpp checks the HMAC of the on-disk shortcuts.xml at the moment a user command fires (Time-of-Check). However, the command payload is taken from the in-memory _userCommands vector, which is… | ||
| CVE-2026-46194 | — | 0.00 | — | 0.00 | May 28, 2026 | Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. | ||
| CVE-2026-25728 | Hig | 0.00 | 7.5 | 0.00 | Feb 10, 2026 | ClipBucket v5 is an open source video sharing platform. Prior to 5.5.3 - #40, a Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability exists in ClipBucket's avatar and background image upload functionality. The application moves uploaded files to a web-accessible… | ||
| CVE-2026-23988 | Hig | 0.00 | 7.3 | 0.00 | Jan 22, 2026 | Rufus is a utility that helps format and create bootable USB flash drives. Versions 4.11 and below contain a race condition (TOCTOU) in src/net.c during the creation, validation, and execution of the Fido PowerShell script. Since Rufus runs with elevated privileges… | ||
| CVE-2024-28183 | Med | 0.00 | 6.1 | 0.00 | Mar 25, 2024 | ESP-IDF is the development framework for Espressif SoCs supported on Windows, Linux and macOS. A Time-of-Check to Time-of-Use (TOCTOU) vulnerability was discovered in the implementation of the ESP-IDF bootloader which could allow an attacker with physical access to flash of the… | ||
| CVE-2024-27297 | Med | 0.00 | 6.3 | 0.01 | Mar 11, 2024 | Nix is a package manager for Linux and other Unix systems. A fixed-output derivations on Linux can send file descriptors to files in the Nix store to another program running on the host (or another fixed-output derivation) via Unix domain sockets in the abstract namespace. This… | ||
| CVE-2023-52556 | Med | 0.00 | 6.2 | 0.00 | Mar 1, 2024 | In OpenBSD 7.4 before errata 009, a race condition between pf(4)'s processing of packets and expiration of packet states may cause a kernel panic. | ||
| CVE-2023-1295 | Hig | 0.00 | 7.8 | 0.00 | Jun 28, 2023 | A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in… | ||
| CVE-2023-2007 | Hig | 0.00 | 7.8 | 0.00 | Apr 24, 2023 | The specific flaw exists within the DPT I2O Controller driver. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in… | ||
| CVE-2022-1974 | Med | 0.00 | 4.1 | 0.00 | Aug 31, 2022 | A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information. | ||
| CVE-2021-4001 | Med | 0.00 | 4.1 | 0.00 | Jan 21, 2022 | A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can modify the frozen mapped address space.… | ||
| CVE-2022-21658 | Hig | 0.00 | 7.3 | 0.01 | Jan 20, 2022 | Rust is a multi-paradigm, general-purpose programming language designed for performance and safety, especially safe concurrency. The Rust Security Response WG was notified that the `std::fs::remove_dir_all` standard library function is vulnerable a race condition enabling… | ||
| CVE-2021-29657 | Hig | 0.00 | 7.4 | 0.00 | Jul 22, 2021 | arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12… | ||
| CVE-2021-26910 | Hig | 0.00 | 7.8 | 0.00 | Feb 8, 2021 | Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation. | ||
| CVE-2020-25212 | Hig | 0.00 | 7.0 | 0.00 | Sep 9, 2020 | A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452. | ||
| CVE-2019-5421 | Cri | 0.00 | 9.8 | 0.02 | Apr 3, 2019 | Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` method. File location: lib/devise/models/lockable.rb that can result in… |
- risk 0.00cvss —epss 0.00
Improper certificate validation and a time-of-check time-of-use (TOCTOU) race condition in the PrivilegedHelperTool XPC service in Cato Client before v.5.13.1 on macOS allows a local authenticated attacker to escalate privileges to root via a self-signed certificate that…
- risk 0.00cvss 5.9epss 0.00
Time-of-check time-of-use (TOCTOU) race condition vulnerability in Samsung Open Source Escargot allows Leveraging Race Conditions. This issue affects Escargot: bab3a5797557014ce3c2e28419a6310cfba90d0d.
- risk 0.00cvss 5.9epss 0.00
Hi.Events through 1.9.0 contains a promo code validation vulnerability where reservation validates usage count before asynchronous UpdateEventStatisticsJob increments it, allowing attackers to redeem limited promo codes unlimited times. Attackers can sequentially reserve…
- risk 0.00cvss —epss 0.00
Honeywell IQ MultiAccess, all versions prior to and including version 28, contain an improper digital signature verification vulnerability. An attacker could potentially exploit this vulnerability, leading to the replacement of downloaded file with a malicious one. Honeywell…
- risk 0.00cvss 6.3epss 0.00
Notepad++ is a free and open-source source code editor. Prior to 8.9.6.4, NppCommands.cpp checks the HMAC of the on-disk shortcuts.xml at the moment a user command fires (Time-of-Check). However, the command payload is taken from the in-memory _userCommands vector, which is…
- CVE-2026-46194May 28, 2026risk 0.00cvss —epss 0.00
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
- risk 0.00cvss 7.5epss 0.00
ClipBucket v5 is an open source video sharing platform. Prior to 5.5.3 - #40, a Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability exists in ClipBucket's avatar and background image upload functionality. The application moves uploaded files to a web-accessible…
- risk 0.00cvss 7.3epss 0.00
Rufus is a utility that helps format and create bootable USB flash drives. Versions 4.11 and below contain a race condition (TOCTOU) in src/net.c during the creation, validation, and execution of the Fido PowerShell script. Since Rufus runs with elevated privileges…
- risk 0.00cvss 6.1epss 0.00
ESP-IDF is the development framework for Espressif SoCs supported on Windows, Linux and macOS. A Time-of-Check to Time-of-Use (TOCTOU) vulnerability was discovered in the implementation of the ESP-IDF bootloader which could allow an attacker with physical access to flash of the…
- risk 0.00cvss 6.3epss 0.01
Nix is a package manager for Linux and other Unix systems. A fixed-output derivations on Linux can send file descriptors to files in the Nix store to another program running on the host (or another fixed-output derivation) via Unix domain sockets in the abstract namespace. This…
- risk 0.00cvss 6.2epss 0.00
In OpenBSD 7.4 before errata 009, a race condition between pf(4)'s processing of packets and expiration of packet states may cause a kernel panic.
- risk 0.00cvss 7.8epss 0.00
A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in…
- risk 0.00cvss 7.8epss 0.00
The specific flaw exists within the DPT I2O Controller driver. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in…
- risk 0.00cvss 4.1epss 0.00
A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information.
- risk 0.00cvss 4.1epss 0.00
A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can modify the frozen mapped address space.…
- risk 0.00cvss 7.3epss 0.01
Rust is a multi-paradigm, general-purpose programming language designed for performance and safety, especially safe concurrency. The Rust Security Response WG was notified that the `std::fs::remove_dir_all` standard library function is vulnerable a race condition enabling…
- risk 0.00cvss 7.4epss 0.00
arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a VMCB12…
- risk 0.00cvss 7.8epss 0.00
Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.
- risk 0.00cvss 7.0epss 0.00
A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.
- risk 0.00cvss 9.8epss 0.02
Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` method. File location: lib/devise/models/lockable.rb that can result in…