Common Weakness Enumeration
CWE-404
Allowed-with-ReviewImproper Resource Shutdown or Release
Abstraction: Class · Status: Draft
The product does not release or incorrectly releases a resource before it is made available for re-use.
1219 vulnerabilities reference this CWE, most recent first.
CVE-2025-61795 (GCVE-0-2025-61795)
Vulnerability from cvelistv5 – Published: 2025-10-27 17:30 – Updated: 2026-05-12 12:08
VLAI
EPSS
VEX
Title
Apache Tomcat: Delayed cleaning of multi-part upload temporary files may lead to DoS
Summary
Improper Resource Shutdown or Release vulnerability in Apache Tomcat.
If an error occurred (including exceeding limits) during the processing of a multipart upload, temporary copies of the uploaded parts written to disc were not cleaned up immediately but left for the garbage collection process to delete. Depending on JVM settings, application memory usage and application load, it was possible that space for the temporary copies of uploaded parts would be filled faster than GC cleared it, leading to a DoS.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.11, from 10.1.0-M1 through 10.1.46, from 9.0.0.M1 through 9.0.109.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.12 or later, 10.1.47 or later or 9.0.110 or later which fixes the issue.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
3 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.11
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.46 (semver) Affected: 9.0.0.M1 , ≤ 9.0.109 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Unknown: 3 , < 8.5.0 (semver) Unknown: 10.0.0-M1 , ≤ 10.0.27 (semver) |
|
| Siemens | SIMATIC CN 4100 |
Affected:
0 , < V5.0
(custom)
|
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CVE-2025-58473 (GCVE-0-2025-58473)
Vulnerability from cvelistv5 – Published: 2025-09-23 22:21 – Updated: 2025-09-24 14:07
VLAI
EPSS
VEX
Title
AutomationDirect CLICK PLUS Improper Resource Shutdown or Release
Summary
An improper resource shutdown or release vulnerability has been identified in the Click Plus C2-03CPU-2 device running firmware version 3.60. The vulnerability allows an unauthenticated attacker to perform a denial-of-service attack by exhausting all available device sessions of the Click Programming Software.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| AutomationDirect | CLICK PLUS C0-0x CPU firmware |
Affected:
0 , < v3.71
(custom)
|
|
| AutomationDirect | CLICK PLUS C0-1x CPU firmware |
Affected:
0 , < v3.71
(custom)
|
|
| AutomationDirect | CLICK PLUS C2-x CPU firmware |
Affected:
0 , < v3.71
(custom)
|
Date Public
2025-09-23 16:00
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CVE-2025-57882 (GCVE-0-2025-57882)
Vulnerability from cvelistv5 – Published: 2025-09-23 22:27 – Updated: 2025-09-24 14:05
VLAI
EPSS
VEX
Title
AutomationDirect CLICK PLUS Improper Resource Shutdown or Release
Summary
An improper resource shutdown or release vulnerability has been identified in the Click Plus C2-03CPU-2 device running firmware version 3.60. The vulnerability allows an unauthenticated attacker to perform a denial-of-service attack by exhausting all available device sessions in the Remote PLC application.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| AutomationDirect | CLICK PLUS C0-0x CPU firmware |
Affected:
0 , < v3.71
(custom)
|
|
| AutomationDirect | CLICK PLUS C0-1x CPU firmware |
Affected:
0 , < v3.71
(custom)
|
|
| AutomationDirect | CLICK PLUS C2-x CPU firmware |
Affected:
0 , < v3.71
(custom)
|
Date Public
2025-09-23 16:00
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CVE-2025-55102 (GCVE-0-2025-55102)
Vulnerability from cvelistv5 – Published: 2026-01-27 15:25 – Updated: 2026-01-27 15:58
VLAI
EPSS
VEX
Summary
A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse ThreadX - NetX Duo |
Affected:
0 , ≤ 6.4.3
(semver)
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Credits
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CVE-2025-52982 (GCVE-0-2025-52982)
Vulnerability from cvelistv5 – Published: 2025-07-11 15:08 – Updated: 2025-07-15 19:55
VLAI
EPSS
VEX
Title
Junos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash
Summary
An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
When an MX Series device with an MS-MPC is configured with two or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.
This issue affects Junos OS:
* all versions before 21.2R3-S9,
* 21.4 versions from 21.4R1,
* 22.2 versions before 22.2R3-S6,
* 22.4 versions before 22.4R3-S6.
As the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.
This issue does not affect MX-SPC3 or SRX Series devices.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA100088 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 21.2R3-S9
(semver)
Affected: 21.4 , < 21.4* (semver) Affected: 22.2 , < 22.2R3-S6 (semver) Affected: 22.4 , < 22.4R3-S6 (semver) |
Date Public
2025-07-09 16:00
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CVE-2025-49491 (GCVE-0-2025-49491)
Vulnerability from cvelistv5 – Published: 2025-07-01 10:36 – Updated: 2025-07-01 13:31
VLAI
EPSS
VEX
Title
Resource leaks in traffic_stat
Summary
Improper Resource Shutdown or Release vulnerability in ASR Falcon_Linux、Kestrel、Lapwing_Linux on Linux (traffic_stat modules) allows Resource Leak Exposure. This vulnerability is associated with program files traffic_stat/traffic_service/traffic_service.C.
This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ASR | Falcon_Linux、Kestrel、Lapwing_Linux |
Affected:
0 , < v1536
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|
Date Public
2025-07-01 10:31
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CVE-2025-49490 (GCVE-0-2025-49490)
Vulnerability from cvelistv5 – Published: 2025-07-01 09:56 – Updated: 2025-07-01 13:10
VLAI
EPSS
VEX
Title
Resource leaks in router
Summary
Resource leak vulnerability in ASR180x in router allows Resource Leak Exposure.
This vulnerability is associated with program files router/sms/sms.c.
This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
1 reference
Impacted products
1 product
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|---|---|---|---|
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Affected:
0 , < v1536
(custom)
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Date Public
2025-07-01 09:53
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CVE-2025-49489 (GCVE-0-2025-49489)
Vulnerability from cvelistv5 – Published: 2025-07-01 09:45 – Updated: 2025-07-01 13:11
VLAI
EPSS
VEX
Title
Resource leaks in cm
Summary
Improper Resource Shutdown or Release vulnerability in ASR Falcon_Linux、Kestrel、Lapwing_Linux on Linux (con_mgr
components) allows Resource Leak Exposure. This vulnerability is associated with program files con_mgr/dialer_task.C.
This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
1 reference
Impacted products
1 product
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|---|---|---|---|
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0 , < v1536
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Date Public
2025-07-01 09:37
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CVE-2025-49488 (GCVE-0-2025-49488)
Vulnerability from cvelistv5 – Published: 2025-07-01 11:03 – Updated: 2025-07-01 14:29
VLAI
EPSS
VEX
Title
Resource leaks in router
Summary
Improper Resource Shutdown or Release vulnerability in ASR180x 、ASR190x in router
components
allows Resource Leak Exposure. This vulnerability is associated with program files router/phonebook/pb.c.
This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
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Affected:
0 , < v1536
(custom)
|
Date Public
2025-07-01 11:02
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CVE-2025-49483 (GCVE-0-2025-49483)
Vulnerability from cvelistv5 – Published: 2025-07-01 11:31 – Updated: 2025-07-01 13:32
VLAI
EPSS
VEX
Title
Resource leaks in tr069
Summary
Improper Resource Shutdown or Release vulnerability in ASR180x 、ASR190x in tr069 modules allows Resource Leak Exposure. This vulnerability is associated with program files tr069/tr069_uci.c.
This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Improper Resource Shutdown or Release
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
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0 , < v1536
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Date Public
2025-07-01 11:15
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"engine": "Vulnogram 0.2.0"
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"cveMetadata": {
"assignerOrgId": "68630edc-a58c-4cbd-9b01-0e130455c8ae",
"assignerShortName": "ASR",
"cveId": "CVE-2025-49483",
"datePublished": "2025-07-01T11:31:32.804Z",
"dateReserved": "2025-06-05T08:13:26.653Z",
"dateUpdated": "2025-07-01T13:32:34.636Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
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Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.
Mitigation
Implementation
It is good practice to be responsible for freeing all resources you allocate and to be consistent with how and where you free memory in a function. If you allocate memory that you intend to free upon completion of the function, you must be sure to free the memory at all exit points for that function including error conditions.
Mitigation
Implementation
Memory should be allocated/freed using matching functions such as malloc/free, new/delete, and new[]/delete[].
Mitigation
Implementation
When releasing a complex object or structure, ensure that you properly dispose of all of its member components, not just the object itself.
CAPEC-125: Flooding
An adversary consumes the resources of a target by rapidly engaging in a large number of interactions with the target. This type of attack generally exposes a weakness in rate limiting or flow. When successful this attack prevents legitimate users from accessing the service and can cause the target to crash. This attack differs from resource depletion through leaks or allocations in that the latter attacks do not rely on the volume of requests made to the target but instead focus on manipulation of the target's operations. The key factor in a flooding attack is the number of requests the adversary can make in a given period of time. The greater this number, the more likely an attack is to succeed against a given target.
CAPEC-130: Excessive Allocation
An adversary causes the target to allocate excessive resources to servicing the attackers' request, thereby reducing the resources available for legitimate services and degrading or denying services. Usually, this attack focuses on memory allocation, but any finite resource on the target could be the attacked, including bandwidth, processing cycles, or other resources. This attack does not attempt to force this allocation through a large number of requests (that would be Resource Depletion through Flooding) but instead uses one or a small number of requests that are carefully formatted to force the target to allocate excessive resources to service this request(s). Often this attack takes advantage of a bug in the target to cause the target to allocate resources vastly beyond what would be needed for a normal request.
CAPEC-131: Resource Leak Exposure
An adversary utilizes a resource leak on the target to deplete the quantity of the resource available to service legitimate requests.
CAPEC-494: TCP Fragmentation
An adversary may execute a TCP Fragmentation attack against a target with the intention of avoiding filtering rules of network controls, by attempting to fragment the TCP packet such that the headers flag field is pushed into the second fragment which typically is not filtered.
CAPEC-495: UDP Fragmentation
An attacker may execute a UDP Fragmentation attack against a target server in an attempt to consume resources such as bandwidth and CPU. IP fragmentation occurs when an IP datagram is larger than the MTU of the route the datagram has to traverse. Typically the attacker will use large UDP packets over 1500 bytes of data which forces fragmentation as ethernet MTU is 1500 bytes. This attack is a variation on a typical UDP flood but it enables more network bandwidth to be consumed with fewer packets. Additionally it has the potential to consume server CPU resources and fill memory buffers associated with the processing and reassembling of fragmented packets.
CAPEC-496: ICMP Fragmentation
An attacker may execute a ICMP Fragmentation attack against a target with the intention of consuming resources or causing a crash. The attacker crafts a large number of identical fragmented IP packets containing a portion of a fragmented ICMP message. The attacker these sends these messages to a target host which causes the host to become non-responsive. Another vector may be sending a fragmented ICMP message to a target host with incorrect sizes in the header which causes the host to hang.
CAPEC-666: BlueSmacking
An adversary uses Bluetooth flooding to transfer large packets to Bluetooth enabled devices over the L2CAP protocol with the goal of creating a DoS. This attack must be carried out within close proximity to a Bluetooth enabled device.