Common Weakness Enumeration
CWE-833
AllowedDeadlock
Abstraction: Base · Status: Incomplete
The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock.
29 vulnerabilities reference this CWE, most recent first.
CVE-2026-125220 (GCVE-0-2026-125220)
Vulnerability from cvelistv5 – Published: 2026-11-09 19:11 – Updated: 2026-11-09 21:06
VLAI
EPSS
VEX
Title
FFmpeg through 9.0.2 Mimic Decoder Deadlock via Frame Threading Failure
Summary
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 frames to hang frame-threaded decoding indefinitely.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 20:59 UTC
CWE
- CWE-833 - Deadlock
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25718 | issue-tracking |
| https://github.com/FFmpeg/FFmpeg/commit/db77b0b83… | patch |
| https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/liba… | technical-description |
| https://github.com/FFmpeg/FFmpeg | product |
| https://www.vulncheck.com/advisories/ffmpeg-throu… | third-party-advisory |
Impacted products
Date Public
2026-11-03 00:00
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CVE-2026-118052 (GCVE-0-2026-118052)
Vulnerability from cvelistv5 – Published: 2026-11-02 14:57 – Updated: 2026-11-02 16:19
VLAI
EPSS
VEX
Title
Module Manager loaders leave the manager mutex held when a module preamble's sizes overflow, blocking every later module operation
Summary
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 an image blocks every later module load, start, stop and unload from other threads until the system is reset.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 16:19 UTC
Assigner
eclipse
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse ThreadX |
Affected:
6.0.1 , ≤ 6.5.2.202603
(custom)
|
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CVE-2026-105792 (GCVE-0-2026-105792)
Vulnerability from cvelistv5 – Published: 2026-10-06 14:10 – Updated: 2026-10-06 17:41
VLAI
EPSS
VEX
Title
Microsoft UFO: Authenticated task-result request can deadlock UFO server session manager
Summary
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 non-reentrant lock and then calls SessionManager.get_result() to acquire the same lock again when the task name maps to a session. An authenticated caller who knows or creates a mapped task name can therefore block the request indefinitely, and in the default single-process server configuration the blocked event-loop thread prevents other HTTP, WebSocket, and dependent background interactions. Unknown task names do not reach the nested call and are not affected. This issue is fixed in version 3.0.9.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 17:41 UTC
CWE
- CWE-833 - Deadlock
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/microsoft/UFO/security/advisor… | x_refsource_CONFIRM |
| https://github.com/microsoft/UFO/commit/0eeb79233… | x_refsource_MISC |
| https://github.com/microsoft/UFO/releases/tag/v3.0.9 | x_refsource_MISC |
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CVE-2026-105390 (GCVE-0-2026-105390)
Vulnerability from cvelistv5 – Published: 2026-10-13 22:44 – Updated: 2026-10-14 18:08
VLAI
EPSS
VEX
Summary
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 allows local attackers to trigger a deadlock via a crafted write to the ovpn-dco device, causing the host to become unresponsive.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 18:07 UTC
Assigner
OpenVPN
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://community.openvpn.net/Security%20Announce… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenVPN | ovpn-dco-win |
Affected:
0.6.5 , ≤ 1.3.5
(semver)
Affected: 2.4.0 , ≤ 2.8.7 (semver) |
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CVE-2026-103558 (GCVE-0-2026-103558)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-31 18:12
VLAI
EPSS
VEX
Title
Windows Routing and Remote Access Service (RRAS) Denial of Service Vulnerability
Summary
Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:13 UTC
CWE
- CWE-833 - Deadlock
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
21 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.9612
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.9376
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7807
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7807
(custom)
|
|
| Microsoft | Windows 11 version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7652
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7652
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.9711
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.9711
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.3231
(custom)
|
|
| Microsoft | Windows 11 Version 26H2 |
Affected:
10.0.26300.0 , < 10.0.26300.9711
(custom)
|
|
| Microsoft | Windows Server 2012 |
Affected:
6.2.9200.0 , < 6.2.9200.26434
(custom)
|
|
| Microsoft | Windows Server 2012 (Server Core installation) |
Affected:
6.2.9200.0 , < 6.2.9200.26434
(custom)
|
|
| Microsoft | Windows Server 2012 R2 |
Affected:
6.3.9600.0 , < 6.3.9600.23470
(custom)
|
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
Affected:
6.3.9600.0 , < 6.3.9600.23470
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.9612
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.9612
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.9376
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.9376
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5761
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33650
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33650
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-77798 (GCVE-0-2026-77798)
Vulnerability from cvelistv5 – Published: 2026-09-24 13:50 – Updated: 2026-09-24 14:48
VLAI
EPSS
VEX
Title
Velociraptor Authenticated Denial of Service
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 14:48 UTC
CWE
- CWE-833 - Deadlock
Assigner
rapid7
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Rapid7 | Velociraptor |
Affected:
0 , < 0.77.2
(semver)
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CVE-2026-70616 (GCVE-0-2026-70616)
Vulnerability from cvelistv5 – Published: 2026-08-05 19:37 – Updated: 2026-08-06 18:44 X_Open Source
VLAI
EPSS
VEX
Title
boringproxy 0.10.0 Resource Exhaustion DoS via GET /loading endpoint
Summary
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 parameter values. Because the handler performs no map-lookup validity check and receives on a nil channel that blocks forever, with no timeout, no context cancellation, and no server-side reclamation due to absent HTTP server timeouts, each malicious request permanently holds one goroutine, one file descriptor, and approximately 50 kB of memory until the server's file descriptor limit is reached and listener Accept calls fail, halting all tunnel traffic forwarding for all users.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 18:43 UTC
CWE
- CWE-833 - Deadlock
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/theopaid/Denial-Of-Service-Thr… | technical-descriptionexploit |
| https://www.vulncheck.com/advisories/boringproxy-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| boringproxy | boringproxy |
Affected:
0 , ≤ 0.10.0
(semver)
|
Date Public
2026-08-01 00:00
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CVE-2026-70186 (GCVE-0-2026-70186)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:00 – Updated: 2026-10-31 18:06
VLAI
EPSS
VEX
Title
ASP.NET Core Denial of Service Vulnerability
Summary
Deadlock in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 22:07 UTC
CWE
- CWE-833 - Deadlock
Assigner
microsoft
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | ASP.NET Core 10.0 |
Affected:
10.0 , < 10.0.13
(custom)
|
|
| Microsoft | ASP.NET Core 8.0 |
Affected:
8.0 , < 8.0.32
(custom)
|
|
| Microsoft | ASP.NET Core 9.0 |
Affected:
9.0 , < 9.0.21
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 |
Affected:
17.14.0 , < 17.14.42
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2026 version 18.10 |
Affected:
18.10.0 , < 18.10.4
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-47334 (GCVE-0-2026-47334)
Vulnerability from cvelistv5 – Published: 2026-05-28 18:28 – Updated: 2026-05-28 19:23
VLAI
EPSS
VEX
Title
Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling
Summary
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.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 19:21 UTC
CWE
- CWE-833 - Deadlock
Assigner
canonical
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://git.launchpad.net/~ubuntu-kernel/ubuntu/+… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Ubuntu Linux |
Affected:
6.8.0 , < 6.8.0-124.124
(dpkg)
Affected: 6.17.0 , < 6.17.0-35.35 (dpkg) Affected: 7.0.0 , < 7.0.0-22.22 (dpkg) |
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CVE-2026-46352 (GCVE-0-2026-46352)
Vulnerability from cvelistv5 – Published: 2026-09-16 18:28 – Updated: 2026-09-17 16:15
VLAI
EPSS
VEX
Title
Suricata defrag: fragmented encapsulated traffic with fragments can lead to deadlock
Summary
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Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 16:14 UTC
CWE
- CWE-833 - Deadlock
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OISF/suricata/security/advisor… | x_refsource_CONFIRM |
| https://forum.suricata.io/t/suricata-8-0-5-and-7-… | x_refsource_MISC |
| https://redmine.openinfosecfoundation.org/issues/8550 | x_refsource_MISC |
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"url": "https://github.com/OISF/suricata/security/advisories/GHSA-rc34-46x6-mxxm"
},
{
"name": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315",
"tags": [
"x_refsource_MISC"
],
"url": "https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315"
},
{
"name": "https://redmine.openinfosecfoundation.org/issues/8550",
"tags": [
"x_refsource_MISC"
],
"url": "https://redmine.openinfosecfoundation.org/issues/8550"
}
],
"source": {
"advisory": "GHSA-rc34-46x6-mxxm",
"discovery": "UNKNOWN"
},
"title": "Suricata defrag: fragmented encapsulated traffic with fragments can lead to deadlock"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-46352",
"datePublished": "2026-09-16T18:28:21.255Z",
"dateReserved": "2026-05-13T18:37:30.991Z",
"dateUpdated": "2026-09-17T16:15:07.910Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
No mitigation information available for this CWE.
CAPEC-25: Forced Deadlock
The adversary triggers and exploits a deadlock condition in the target software to cause a denial of service. A deadlock can occur when two or more competing actions are waiting for each other to finish, and thus neither ever does. Deadlock conditions can be difficult to detect.