Weakness (CWE)
CWE-833: Deadlock
The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock.
Source: MITRE CWE-833
34 results · Feed
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Medium 5.5
FFmpeg through 9.0.2 Mimic Decoder Deadlock via Frame Threading Failure
FFmpeg through 9.0.2 contains a deadlock vulnerability in mimic_decode_frame() in libavcodec/mimic.c that fails to report frame progress when init_get_bits8() fails. Attackers can supply a crafted file with an oversized Mimic intra frame followed by inter fra…
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Medium 6.8
Module Manager loaders leave the manager mutex held when a module preamble's sizes overflow, blocking every later module operation
In Eclipse ThreadX versions 6.0.1 through 6.5.2.202603, the Module Manager loaders return an overflow error without releasing the Module Manager mutex when a module preamble declares a data or stack size that overflows the allocation arithmetic. Loading such …
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Medium 6.9
Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and 2.4.0 through 2.8.7 a…
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High 7.5
Windows Routing and Remote Access Service (RRAS) Denial of Service Vulnerability
Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.
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High 7.5
ASP.NET Core Denial of Service Vulnerability
Deadlock in ASP.NET Core allows an unauthorized attacker to deny service over a network.
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Medium 6.5
Microsoft UFO: Authenticated task-result request can deadlock UFO server session manager
Microsoft UFO is an open-source framework for intelligent automation across devices and platforms. Prior to 3.0.9, the /api/task_result/{task_name} endpoint calls SessionManager.get_result_by_task() in ufo/server/services/session_manager.py, which acquires a …
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Medium 6.5
Velociraptor Authenticated Denial of Service
Velociraptor contains a deadlock condition that may be triggered by authenticated users. The issue stems from a lock management bug in the user management module.
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High 7.5
Suricata defrag: fragmented encapsulated traffic with fragments can lead to deadlock
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic co…
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Medium 6.5
boringproxy 0.10.0 Resource Exhaustion DoS via GET /loading endpoint
boringproxy through 0.10.0 contains a resource exhaustion vulnerability that allows any authenticated user to permanently exhaust server file descriptors, goroutines, and memory by sending requests to the GET /loading endpoint with attacker-supplied id query …
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Medium 5.3
Deadlock denial of service in USB CDC-NCM device class on TX enqueue failure
The USB CDC-NCM device class (subsys/usb/device_next/class/usbd_cdc_ncm.c) ignores the return value of usbd_ep_enqueue() in its ethernet transmit callback cdc_ncm_send(). When the enqueue fails, the function still calls k_sem_take(&data->sync_sem, K_FOREVER),…
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Medium 5.5
Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code. The bug can be triggered by an unprivileged local user and can result in kernel panic or deadlock.
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High 7.5CVE-2026-44579 Public exploit
Next.js: Denial of Service via connection exhaustion in applications using Cache Components
Next.js is a React framework for building full-stack web applications. From to before 15.5.16 and 16.2.5, applications using Partial Prerendering through the Cache Components feature can be vulnerable to connection exhaustion through crafted POST requests to …
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High 7.5
iommu/amd: move wait_on_sem() out of spinlock
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move wait_on_sem() out of spinlock With iommu.strict=1, the existing completion wait path can cause soft lockups under stressed environment, as wait_on_sem() busy-waits under the s…
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Medium 6.5
Ella Core has a Denial of Service via SCTP connection cleanup deadlock
Ella Core is a 5G core designed for private networks. Prior to version 1.7.0, a deadlock in the AMF's SCTP notification handler causes the entire AMF control plane to hang until the process is restarted. An attacker with access to the N2 interface can cause E…
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High 7.5
NanoMQ v0.22.7 is vulnerable to Denial of Service (DoS) due to improper resource throttling. A crafted sequence of requ…
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High 8.7
Webserver crash caused by scanning on TCP port 80
Webserver crash caused by scanning on TCP port 80 in Softing Industrial Automation GmbH gateways and switch.This issue affects smartLink HW-PN: from 1.02 through 1.03 smartLink HW-DP: 1.31
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Medium 4.3
Denial-of-service (DoS) via chunk size mismatch
An attacker may cause chunk-size mismatches that block file transfers and prevent subsequent transfers.
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High 7.5
Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page
Copyparty is a portable file server. Versions prior to 1.18.9, the filter parameter for the "Recent Uploads" page allows arbitrary RegExes. If this feature is enabled (which is the default), an attacker can craft a filter which deadlocks the server. This is f…
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High 7.1
Deadlock in PAM automatic check-in feature in Devolutions Server allows a password to remain valid beyond the end of it…
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Medium 6.5
IBM Db2 for Linux denial of service
IBM Db2 for Linux 12.1.0, 12.1.1, and 12.1.2 could allow an unauthenticated user to cause a denial of service due to executable segments that are waiting for each other to release a necessary lock.
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High 7.5
deadlock potential with VT-d and legacy PCI device pass-through
When setting up interrupt remapping for legacy PCI(-X) devices, including PCI(-X) bridges, a lookup of the upstream bridge is required. This lookup, itself involving acquiring of a lock, is done in a context where acquiring that lock is unsafe. This can lead …
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Medium 5.9
Dell BSAFE SSL-J, versions prior to 6.6 and versions 7.0 through 7.2, contains a deadlock vulnerability. A remote attac…
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Medium 6.5
Windows Security Account Manager (SAM) Denial of Service Vulnerability
Windows Security Account Manager (SAM) Denial of Service Vulnerability
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Medium 5.9
Narayana: deadlock via multiple join requests sent to lra coordinator
A security issue was discovered in the LRA Coordinator component of Narayana. When Cancel is called in LRA, an execution time of approximately 2 seconds occurs. If Join is called with the same LRA ID within that timeframe, the application may crash or hang in…
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Medium 5.9
Junos OS: SRX Series: A large amount of traffic being processed by ATP Cloud can lead to a PFE crash
A Deadlock vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). When a large amount of traffic is processed by ATP Cloud inspection…
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Medium 5.5
Kernel: deadlock leading to denial of service in tipc_crypto_key_revoke
A denial of service vulnerability was found in tipc_crypto_key_revoke in net/tipc/crypto.c in the Linux kernel’s TIPC subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.
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Medium 5.5
Kernel: potential deadlock on &net->sctp.addr_wq_lock leading to dos
A denial of service vulnerability due to a deadlock was found in sctp_auto_asconf_init in net/sctp/socket.c in the Linux kernel’s SCTP subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.
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Medium 5.3
Vyper has incorrect re-entrancy lock when key is empty string
Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). Starting in version 0.2.9 and prior to version 0.3.10, locks of the type `@nonreentrant("")` or `@nonreentrant('')` do not produce reentrancy checks at runtime. This issue is …
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Medium 4.7
Possibility of deadlock in libbpf function sock_hash_delete_elem
A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system.
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Low 3.3
Deadlock in Xpdf 4.04 due to PDF object stream references
Xpdf 4.04 will deadlock on a PDF object stream whose "Length" field is itself in another object stream.
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Medium 5.5
An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a blocking operation…
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High 7.5
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions < V3.4.29), SIMATIC CP 1…
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Medium 5.5
A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirec…
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High 8.6
Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability
A vulnerability in the Common Open Policy Service (COPS) of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause resource exhaustion, resulting in a denial of service (DoS) condition. This …